{
    "name": "日本一深い湖は田沢湖（423.4m）｜国土地理院が調査した77湖沼の水深",
    "url": "https://rank.az-arte.com/record/lake-depth-deep",
    "unit": "m",
    "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": "田沢湖",
            "value": 423.4,
            "display": "423.4",
            "note": "秋田／面積 25.80km2／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": 2,
            "label": "支笏湖",
            "value": 360.1,
            "display": "360.1",
            "note": "北海道／面積 78.48km2／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": 3,
            "label": "十和田湖",
            "value": 326.8,
            "display": "326.8",
            "note": "青森・秋田／面積 61.10km2／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": 4,
            "label": "池田湖",
            "value": 233,
            "display": "233.0",
            "note": "鹿児島／面積 10.91km2／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": 5,
            "label": "摩周湖",
            "value": 211.4,
            "display": "211.4",
            "note": "北海道／面積 19.22km2／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": 6,
            "label": "洞爺湖",
            "value": 179.7,
            "display": "179.7",
            "note": "北海道／面積 70.72km2／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": 7,
            "label": "中禅寺湖",
            "value": 163,
            "display": "163.0",
            "note": "栃木／面積 11.90km2／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": 8,
            "label": "倶多楽湖",
            "value": 148,
            "display": "148.0",
            "note": "北海道／面積 4.70km2／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": 9,
            "label": "本栖湖",
            "value": 121.2,
            "display": "121.2",
            "note": "山梨／面積 4.70km2／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": 10,
            "label": "屈斜路湖",
            "value": 117.5,
            "display": "117.5",
            "note": "北海道／面積 79.54km2／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": 11,
            "label": "琵琶湖",
            "value": 103.8,
            "display": "103.8",
            "note": "滋賀／面積 669.22km2／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": 12,
            "label": "然別湖",
            "value": 98.5,
            "display": "98.5",
            "note": "北海道／面積 3.59km2／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": 13,
            "label": "猪苗代湖",
            "value": 93.5,
            "display": "93.5",
            "note": "福島／面積 103.30km2／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": 14,
            "label": "西湖",
            "value": 71.5,
            "display": "71.5",
            "note": "山梨／面積 2.10km2／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": 15,
            "label": "鰻池",
            "value": 55.8,
            "display": "55.8",
            "note": "鹿児島／面積 1.20km2／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": 16,
            "label": "阿寒湖",
            "value": 44.8,
            "display": "44.8",
            "note": "北海道／面積 13.25km2／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": 17,
            "label": "芦ノ湖",
            "value": 40.6,
            "display": "40.6",
            "note": "神奈川／面積 7.03km2／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": 18,
            "label": "日向湖",
            "value": 39.4,
            "display": "39.4",
            "note": "福井／面積 0.93km2／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": 19,
            "label": "野尻湖",
            "value": 38.3,
            "display": "38.3",
            "note": "長野／面積 4.45km2／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": 20,
            "label": "秋元湖",
            "value": 36,
            "display": "36.0",
            "note": "福島／面積 3.52km2／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": 21,
            "label": "水月湖",
            "value": 33.7,
            "display": "33.7",
            "note": "福井／面積 4.18km2／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": "桧原湖",
            "value": 30.5,
            "display": "30.5",
            "note": "福島／面積 10.86km2／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": 23,
            "label": "小川原湖",
            "value": 26.5,
            "display": "26.5",
            "note": "青森／面積 61.96km2／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": 24,
            "label": "外浪逆浦",
            "value": 23.3,
            "display": "23.3",
            "note": "茨城・千葉／面積 5.94km2／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": 25,
            "label": "能取湖",
            "value": 23.1,
            "display": "23.1",
            "note": "北海道／面積 58.18km2／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": 26,
            "label": "久美浜湾",
            "value": 20.6,
            "display": "20.6",
            "note": "京都／面積 7.18km2／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": 27,
            "label": "小野川湖",
            "value": 20.1,
            "display": "20.1",
            "note": "福島／面積 1.73km2／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": 28,
            "label": "サロマ湖",
            "value": 19.6,
            "display": "19.6",
            "note": "北海道／面積 151.63km2／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": 29,
            "label": "中海",
            "value": 18.4,
            "display": "18.4",
            "note": "鳥取・島根／面積 85.83km2／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": 30,
            "label": "万石浦",
            "value": 17.5,
            "display": "17.5",
            "note": "宮城／面積 7.30km2／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": "網走湖",
            "value": 16.3,
            "display": "16.3",
            "note": "北海道／面積 32.27km2／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": 32,
            "label": "猪鼻湖",
            "value": 16.1,
            "display": "16.1",
            "note": "静岡／面積 5.37km2／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": 33,
            "label": "河口湖",
            "value": 14,
            "display": "14.0",
            "note": "山梨／面積 5.52km2／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": 34,
            "label": "菅湖",
            "value": 13.7,
            "display": "13.7",
            "note": "福井／面積 0.91km2／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": 35,
            "label": "浜名湖",
            "value": 13.1,
            "display": "13.1",
            "note": "静岡／面積 64.91km2／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": 36,
            "label": "風蓮湖",
            "value": 13,
            "display": "13.0",
            "note": "北海道／面積 64.17km2／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": 36,
            "label": "阿蘇海",
            "value": 13,
            "display": "13.0",
            "note": "京都／面積 4.80km2／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": 38,
            "label": "山中湖",
            "value": 12.9,
            "display": "12.9",
            "note": "山梨／面積 6.57km2／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": 39,
            "label": "余呉湖",
            "value": 12.7,
            "display": "12.7",
            "note": "滋賀／面積 1.76km2／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": 40,
            "label": "精進湖",
            "value": 12.6,
            "display": "12.6",
            "note": "山梨／面積 0.51km2／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": 41,
            "label": "霞ヶ浦",
            "value": 11.9,
            "display": "11.9",
            "note": "茨城／面積 168.20km2／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": 42,
            "label": "大沼*駒ヶ岳麓",
            "value": 11.6,
            "display": "11.6",
            "note": "北海道／面積 5.31km2／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": 43,
            "label": "八郎潟調整池",
            "value": 11.3,
            "display": "11.3",
            "note": "秋田／面積 27.75km2／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": 44,
            "label": "厚岸湖",
            "value": 11,
            "display": "11.0",
            "note": "北海道／面積 32.70km2／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": 45,
            "label": "北浦",
            "value": 10,
            "display": "10.0",
            "note": "茨城／面積 35.04km2／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": 46,
            "label": "諏訪湖",
            "value": 7.6,
            "display": "7.6",
            "note": "長野／面積 12.81km2／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": 47,
            "label": "温根沼",
            "value": 7.3,
            "display": "7.3",
            "note": "北海道／面積 6.44km2／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": 48,
            "label": "塘路湖",
            "value": 6.9,
            "display": "6.9",
            "note": "北海道／面積 6.27km2／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": 49,
            "label": "湖山池",
            "value": 6.5,
            "display": "6.5",
            "note": "鳥取／面積 6.99km2／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": 50,
            "label": "宍道湖",
            "value": 5.8,
            "display": "5.8",
            "note": "島根／面積 79.26km2／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": 51,
            "label": "火散布沼",
            "value": 5.7,
            "display": "5.7",
            "note": "北海道／面積 3.78km2／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": 52,
            "label": "藻琴湖",
            "value": 5.4,
            "display": "5.4",
            "note": "北海道／面積 0.98km2／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": 53,
            "label": "コムケ湖",
            "value": 5.3,
            "display": "5.3",
            "note": "北海道／面積 4.84km2／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": 54,
            "label": "河北潟",
            "value": 4.8,
            "display": "4.8",
            "note": "石川／面積 4.20km2／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": 55,
            "label": "木場潟",
            "value": 4.5,
            "display": "4.5",
            "note": "石川／面積 1.13km2／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": 55,
            "label": "柴山潟",
            "value": 4.5,
            "display": "4.5",
            "note": "石川／面積 1.92km2／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": 57,
            "label": "鳥の海",
            "value": 4.4,
            "display": "4.4",
            "note": "宮城／面積 1.31km2／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": 57,
            "label": "小沼*駒ヶ岳麓",
            "value": 4.4,
            "display": "4.4",
            "note": "北海道／面積 3.81km2／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": 59,
            "label": "姉沼",
            "value": 3.9,
            "display": "3.9",
            "note": "青森／面積 1.57km2／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": 60,
            "label": "北潟湖",
            "value": 3.7,
            "display": "3.7",
            "note": "石川・福井／面積 2.16km2／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": 61,
            "label": "東郷池",
            "value": 3.6,
            "display": "3.6",
            "note": "鳥取／面積 4.06km2／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": 62,
            "label": "シラルトロ沼",
            "value": 3.5,
            "display": "3.5",
            "note": "北海道／面積 1.72km2／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": 62,
            "label": "牛久沼",
            "value": 3.5,
            "display": "3.5",
            "note": "茨城／面積 3.46km2／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": 64,
            "label": "三方湖",
            "value": 3.4,
            "display": "3.4",
            "note": "福井／面積 3.58km2／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": 65,
            "label": "クッチャロ湖(大沼)",
            "value": 3.3,
            "display": "3.3",
            "note": "北海道／面積 13.44km2／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": 66,
            "label": "印旛沼＊5［西印旛沼］",
            "value": 2.9,
            "display": "2.9",
            "note": "千葉／面積 9.43km2／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": 67,
            "label": "ペンケ沼",
            "value": 2.7,
            "display": "2.7",
            "note": "北海道／面積 1.27km2／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": 68,
            "label": "パンケ沼",
            "value": 2.4,
            "display": "2.4",
            "note": "北海道／面積 3.55km2／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": 68,
            "label": "涛沸湖",
            "value": 2.4,
            "display": "2.4",
            "note": "北海道／面積 8.19km2／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": 70,
            "label": "ポロ沼",
            "value": 2.3,
            "display": "2.3",
            "note": "北海道／面積 1.97km2／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": 70,
            "label": "久々子湖",
            "value": 2.3,
            "display": "2.3",
            "note": "福井／面積 1.41km2／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": 72,
            "label": "達古武湖",
            "value": 1.8,
            "display": "1.8",
            "note": "北海道／面積 1.31km2／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": 73,
            "label": "井土浦",
            "value": 1.6,
            "display": "1.6",
            "note": "宮城／面積 0.40km2／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": 74,
            "label": "十三湖",
            "value": 1.5,
            "display": "1.5",
            "note": "青森／面積 17.81km2／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": "内沼",
            "value": 1.3,
            "display": "1.3",
            "note": "宮城／面積 1.21km2／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": 76,
            "label": "伊豆沼",
            "value": 1.2,
            "display": "1.2",
            "note": "宮城／面積 3.51km2／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": 77,
            "label": "ウトナイ湖",
            "value": 1,
            "display": "1.0",
            "note": "北海道／面積 2.10km2／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"
            }
        }
    ]
}