油井ケ島沼 (japan-kanto)
Type: natural=water
Coordinates: 36.09495155133663, 139.60665039642862
Area: 0.03963440234375 km²
OSM tags:
name: 油井ケ島沼
name:ja: 油井ケ島沼
natural: water
water: reservoir
wikipedia: ja:油井ヶ島沼