Onuma Pond

Wakkanai City ・大沼

NowOnuma Pond today3D view built from GSI elevation data and recent aerial imagery. Use the buttons at top left to view from the north, east, south or west, or drag to rotate. On phones, move two fingers up or down to tilt, and pinch to zoom.

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GSI Tiles (elevation tiles, seamless aerial photos), processed by this site.

Aerial photo of Onuma Pond (Wakkanai City, Hokkaido) taken in 1977 — Taken September 28, 1977. Source: aerial photo by the Geospatial Information Authority of Japan (1977), resized.GSI Maps and Aerial Photo Service

About Onuma Pond

A lagoon-origin lake in Wakkanai City, listed in the survey's data appendix as Koetoi Onuma. The 1991 survey recorded whooper swans, tundra swans and mallards in winter, and noted that the city planned park facilities and a building was under construction.

Sources: Environment Agency of Japan, Lake Survey Report (1993), Environment Agency of Japan, Lake Survey Report: Data Appendix (1993) (sources in Japanese)

Lake data

Area: 4.67 km²#18 in Hokkaido
Maximum depth: 2.2 m#71 in Hokkaido
Average depth: 1.6 m
Surface elevation: 1 m
Origin: Lagoon-origin lake
Lake type: Dystrophic
Fresh or brackish: Freshwater
Freezing: Freezes in winter
Unmodified lake: No
Natural park: None
Lake number: 0030number in the national lake survey

Sources: Geospatial Information Authority of Japan, Area Statistics of Prefectures and Municipalities 2026 (as of July 1), Environment Agency of Japan, 4th National Survey on the Natural Environment: Lake Survey Report (1993). Area and depth use newer figures from the Geospatial Information Authority of Japan where available. Origin, lake type, transparency, freezing and unmodified status are as of the 1991 survey.

Themes that include Onuma Pond

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Straight-line distances.