{
    "name": "日本一大きい湖は琵琶湖（669.22km2）｜国土地理院が調査した77湖沼の面積",
    "url": "https://rank.az-arte.com/record/lake-area-large",
    "unit": "km2",
    "direction": "desc",
    "survey_year": null,
    "updated_at": "2026-09-02T20:02:20+09:00",
    "license": "出典を明記すれば自由に利用できます。ただし元の統計の利用条件が優先されます。",
    "publisher": "ランク図鑑",
    "items": [
        {
            "rank": 1,
            "label": "琵琶湖",
            "value": 669.22,
            "display": "669.22",
            "note": "滋賀／最大水深 103.8m／測量年 (1955)-1962、1968-1969、 1973、1976",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 2,
            "label": "霞ヶ浦",
            "value": 168.2,
            "display": "168.20",
            "note": "茨城／最大水深 11.9m／測量年 (1958-1960)、 1988-1991",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 3,
            "label": "サロマ湖",
            "value": 151.63,
            "display": "151.63",
            "note": "北海道／最大水深 19.6m／測量年 1971-1974",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 4,
            "label": "猪苗代湖",
            "value": 103.3,
            "display": "103.30",
            "note": "福島／最大水深 93.5m／測量年 1966-1967",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 5,
            "label": "中海",
            "value": 85.83,
            "display": "85.83",
            "note": "鳥取・島根／最大水深 18.4m／測量年 （1962-1963)、 2020-2022",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 6,
            "label": "屈斜路湖",
            "value": 79.54,
            "display": "79.54",
            "note": "北海道／最大水深 117.5m／測量年 1970-1971",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 7,
            "label": "宍道湖",
            "value": 79.26,
            "display": "79.26",
            "note": "島根／最大水深 5.8m／測量年 （1962-1963)、 2016-2017",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 8,
            "label": "支笏湖",
            "value": 78.48,
            "display": "78.48",
            "note": "北海道／最大水深 360.1m／測量年 1967-1968",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 9,
            "label": "洞爺湖",
            "value": 70.72,
            "display": "70.72",
            "note": "北海道／最大水深 179.7m／測量年 1968-1969",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 10,
            "label": "浜名湖",
            "value": 64.91,
            "display": "64.91",
            "note": "静岡／最大水深 13.1m／測量年 1965-1966",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 11,
            "label": "風蓮湖",
            "value": 64.17,
            "display": "64.17",
            "note": "北海道／最大水深 13.0m／測量年 1979、1981",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 12,
            "label": "小川原湖",
            "value": 61.96,
            "display": "61.96",
            "note": "青森／最大水深 26.5m／測量年 （1964）、 2014-2015",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 13,
            "label": "十和田湖",
            "value": 61.1,
            "display": "61.10",
            "note": "青森・秋田／最大水深 326.8m／測量年 1963-1964",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 14,
            "label": "能取湖",
            "value": 58.18,
            "display": "58.18",
            "note": "北海道／最大水深 23.1m／測量年 1977",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 15,
            "label": "北浦",
            "value": 35.04,
            "display": "35.04",
            "note": "茨城／最大水深 10.0m／測量年 (1960)、1996",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 16,
            "label": "厚岸湖",
            "value": 32.7,
            "display": "32.70",
            "note": "北海道／最大水深 11.0m／測量年 1975",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 17,
            "label": "網走湖",
            "value": 32.27,
            "display": "32.27",
            "note": "北海道／最大水深 16.3m／測量年 (1969-1970)、 2013-2014",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 18,
            "label": "八郎潟調整池",
            "value": 27.75,
            "display": "27.75",
            "note": "秋田／最大水深 11.3m／測量年 1988",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 19,
            "label": "田沢湖",
            "value": 25.8,
            "display": "25.80",
            "note": "秋田／最大水深 423.4m／測量年 1966",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 20,
            "label": "摩周湖",
            "value": 19.22,
            "display": "19.22",
            "note": "北海道／最大水深 211.4m／測量年 1986",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 21,
            "label": "十三湖",
            "value": 17.81,
            "display": "17.81",
            "note": "青森／最大水深 1.5m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 22,
            "label": "クッチャロ湖(大沼)",
            "value": 13.44,
            "display": "13.44",
            "note": "北海道／最大水深 3.3m／測量年 1985",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 23,
            "label": "阿寒湖",
            "value": 13.25,
            "display": "13.25",
            "note": "北海道／最大水深 44.8m／測量年 1978",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 24,
            "label": "諏訪湖",
            "value": 12.81,
            "display": "12.81",
            "note": "長野／最大水深 7.6m／測量年 1965",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 25,
            "label": "中禅寺湖",
            "value": 11.9,
            "display": "11.90",
            "note": "栃木／最大水深 163.0m／測量年 1970",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 26,
            "label": "池田湖",
            "value": 10.91,
            "display": "10.91",
            "note": "鹿児島／最大水深 233.0m／測量年 1972",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 27,
            "label": "桧原湖",
            "value": 10.86,
            "display": "10.86",
            "note": "福島／最大水深 30.5m／測量年 1967",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 28,
            "label": "印旛沼＊5［西印旛沼］",
            "value": 9.43,
            "display": "9.43",
            "note": "千葉／最大水深 2.9m／測量年 1992、1993",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 29,
            "label": "涛沸湖",
            "value": 8.19,
            "display": "8.19",
            "note": "北海道／最大水深 2.4m／測量年 1991",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 30,
            "label": "万石浦",
            "value": 7.3,
            "display": "7.30",
            "note": "宮城／最大水深 17.5m／測量年 (1980)、2012",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 31,
            "label": "久美浜湾",
            "value": 7.18,
            "display": "7.18",
            "note": "京都／最大水深 20.6m／測量年 1984",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 32,
            "label": "芦ノ湖",
            "value": 7.03,
            "display": "7.03",
            "note": "神奈川／最大水深 40.6m／測量年 1971",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 33,
            "label": "湖山池",
            "value": 6.99,
            "display": "6.99",
            "note": "鳥取／最大水深 6.5m／測量年 1982",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 34,
            "label": "山中湖",
            "value": 6.57,
            "display": "6.57",
            "note": "山梨／最大水深 12.9m／測量年 (1963)、2019",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 35,
            "label": "温根沼",
            "value": 6.44,
            "display": "6.44",
            "note": "北海道／最大水深 7.3m／測量年 2009",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 36,
            "label": "塘路湖",
            "value": 6.27,
            "display": "6.27",
            "note": "北海道／最大水深 6.9m／測量年 1992",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 37,
            "label": "外浪逆浦",
            "value": 5.94,
            "display": "5.94",
            "note": "茨城・千葉／最大水深 23.3m／測量年 (1960)、1996",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 38,
            "label": "河口湖",
            "value": 5.52,
            "display": "5.52",
            "note": "山梨／最大水深 14.0m／測量年 (1963)、2018",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 39,
            "label": "猪鼻湖",
            "value": 5.37,
            "display": "5.37",
            "note": "静岡／最大水深 16.1m／測量年 1965-1966",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 40,
            "label": "大沼*駒ヶ岳麓",
            "value": 5.31,
            "display": "5.31",
            "note": "北海道／最大水深 11.6m／測量年 1983",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 41,
            "label": "コムケ湖",
            "value": 4.84,
            "display": "4.84",
            "note": "北海道／最大水深 5.3m／測量年 1978",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 42,
            "label": "阿蘇海",
            "value": 4.8,
            "display": "4.80",
            "note": "京都／最大水深 13.0m／測量年 1984",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 43,
            "label": "倶多楽湖",
            "value": 4.7,
            "display": "4.70",
            "note": "北海道／最大水深 148.0m／測量年 1978",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 43,
            "label": "本栖湖",
            "value": 4.7,
            "display": "4.70",
            "note": "山梨／最大水深 121.2m／測量年 (1964)、2019",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 45,
            "label": "野尻湖",
            "value": 4.45,
            "display": "4.45",
            "note": "長野／最大水深 38.3m／測量年 1998",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 46,
            "label": "河北潟",
            "value": 4.2,
            "display": "4.20",
            "note": "石川／最大水深 4.8m／測量年 1989",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 47,
            "label": "水月湖",
            "value": 4.18,
            "display": "4.18",
            "note": "福井／最大水深 33.7m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 48,
            "label": "東郷池",
            "value": 4.06,
            "display": "4.06",
            "note": "鳥取／最大水深 3.6m／測量年 1982",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 49,
            "label": "小沼*駒ヶ岳麓",
            "value": 3.81,
            "display": "3.81",
            "note": "北海道／最大水深 4.4m／測量年 1983",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 50,
            "label": "火散布沼",
            "value": 3.78,
            "display": "3.78",
            "note": "北海道／最大水深 5.7m／測量年 2004",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 51,
            "label": "然別湖",
            "value": 3.59,
            "display": "3.59",
            "note": "北海道／最大水深 98.5m／測量年 2006",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 52,
            "label": "三方湖",
            "value": 3.58,
            "display": "3.58",
            "note": "福井／最大水深 3.4m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 53,
            "label": "パンケ沼",
            "value": 3.55,
            "display": "3.55",
            "note": "北海道／最大水深 2.4m／測量年 2005",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 54,
            "label": "秋元湖",
            "value": 3.52,
            "display": "3.52",
            "note": "福島／最大水深 36.0m／測量年 (1967)、1991",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 55,
            "label": "伊豆沼",
            "value": 3.51,
            "display": "3.51",
            "note": "宮城／最大水深 1.2m／測量年 1997",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 56,
            "label": "牛久沼",
            "value": 3.46,
            "display": "3.46",
            "note": "茨城／最大水深 3.5m／測量年 1995",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 57,
            "label": "北潟湖",
            "value": 2.16,
            "display": "2.16",
            "note": "石川・福井／最大水深 3.7m／測量年 2007",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 58,
            "label": "ウトナイ湖",
            "value": 2.1,
            "display": "2.10",
            "note": "北海道／最大水深 1.0m／測量年 1999",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 58,
            "label": "西湖",
            "value": 2.1,
            "display": "2.10",
            "note": "山梨／最大水深 71.5m／測量年 (1964)、2012",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 60,
            "label": "ポロ沼",
            "value": 1.97,
            "display": "1.97",
            "note": "北海道／最大水深 2.3m／測量年 1987",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 61,
            "label": "柴山潟",
            "value": 1.92,
            "display": "1.92",
            "note": "石川／最大水深 4.5m／測量年 2008",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 62,
            "label": "余呉湖",
            "value": 1.76,
            "display": "1.76",
            "note": "滋賀／最大水深 12.7m／測量年 1961",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 63,
            "label": "小野川湖",
            "value": 1.73,
            "display": "1.73",
            "note": "福島／最大水深 20.1m／測量年 (1967)、1991",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 64,
            "label": "シラルトロ沼",
            "value": 1.72,
            "display": "1.72",
            "note": "北海道／最大水深 3.5m／測量年 2000",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 65,
            "label": "姉沼",
            "value": 1.57,
            "display": "1.57",
            "note": "青森／最大水深 3.9m／測量年 1964",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 66,
            "label": "久々子湖",
            "value": 1.41,
            "display": "1.41",
            "note": "福井／最大水深 2.3m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 67,
            "label": "鳥の海",
            "value": 1.31,
            "display": "1.31",
            "note": "宮城／最大水深 4.4m／測量年 1983",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 67,
            "label": "達古武湖",
            "value": 1.31,
            "display": "1.31",
            "note": "北海道／最大水深 1.8m／測量年 1992",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 69,
            "label": "ペンケ沼",
            "value": 1.27,
            "display": "1.27",
            "note": "北海道／最大水深 2.7m／測量年 2005",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 70,
            "label": "内沼",
            "value": 1.21,
            "display": "1.21",
            "note": "宮城／最大水深 1.3m／測量年 1997",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 71,
            "label": "鰻池",
            "value": 1.2,
            "display": "1.20",
            "note": "鹿児島／最大水深 55.8m／測量年 1972",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 72,
            "label": "木場潟",
            "value": 1.13,
            "display": "1.13",
            "note": "石川／最大水深 4.5m／測量年 2008",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 73,
            "label": "藻琴湖",
            "value": 0.98,
            "display": "0.98",
            "note": "北海道／最大水深 5.4m／測量年 1991",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 74,
            "label": "日向湖",
            "value": 0.93,
            "display": "0.93",
            "note": "福井／最大水深 39.4m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 75,
            "label": "菅湖",
            "value": 0.91,
            "display": "0.91",
            "note": "福井／最大水深 13.7m／測量年 1980",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 76,
            "label": "精進湖",
            "value": 0.51,
            "display": "0.51",
            "note": "山梨／最大水深 12.6m／測量年 (1964)、 2018",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        },
        {
            "rank": 77,
            "label": "井土浦",
            "value": 0.4,
            "display": "0.40",
            "note": "宮城／最大水深 1.6m／測量年 1983",
            "estimated": false,
            "source": {
                "name": "湖沼調査 調査実施湖沼一覧",
                "publisher": "国土地理院",
                "tier": "S1",
                "year": 2026,
                "url": "https://www.gsi.go.jp/kankyochiri/koshouchousa-list.html"
            }
        }
    ]
}