Hokkaido Lakes Catalog

Kushiro NemuroDammed lake

Lake Onneto

Ashoro Town ・ オンネトー

NowLake Onneto 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.

1977Lake Onneto in 1977Aerial photo taken by the Geospatial Information Authority of Japan, shown with the film edge and instruments intact.

Aerial photo of Lake Onneto (Ashoro Town, Hokkaido) taken in 1977
Taken September 23, 1977. Source: aerial photo by the Geospatial Information Authority of Japan (1977), resized.GSI Maps and Aerial Photo Service

About Lake Onneto

The westernmost lake in Akan-Mashu National Park, whose name means old, large lake in the Ainu language. Its color changes with the weather, wind and viewpoint, earning it the nickname Goshikinuma (five-colored pond). It lies at the foot of Mt. Meakan, and its water was acidic (acidotrophic) in the 1991 survey.

Sources: Ministry of the Environment, Akan-Mashu National Park: Highlights, Ashoro Town, Onneto area, Environment Agency of Japan, Lake Survey Report (1993) (sources in Japanese)

Lake data

Surface elevation
623 m
Transparency
6.5 m#10 in Hokkaidoas of the 1991 survey
Origin
Dammed lake
Lake type
Acidotrophic
Freezing
Freezes in winter
Unmodified lake
Yes (shore entirely natural)
Natural park
Akan-Mashu National Park
Lake number
0520number in the national lake survey

Sources: 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 Lake Onneto

Nearby lakes

Nearby mountains

Nearby mountain passes

Nearby roadside stations

Straight-line distances.