Pontonuma Pond

Abashiri City ・ポント沼

NowPontonuma 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 Pontonuma Pond (Abashiri City, Hokkaido) taken in 1977 — Taken September 16, 1977. Source: aerial photo by the Geospatial Information Authority of Japan (1977), resized.GSI Maps and Aerial Photo Service

About Pontonuma Pond

A small lagoon-origin pond in Abashiri City. In the 1991 survey it was eutrophic, with reeds on the shore, and mallards, teal and taiga bean geese in winter. Both the 1977 aerial photo and recent photos show it surrounded by fields.

Sources: Environment Agency of Japan, Lake Survey Report (1993), Environment Agency of Japan, Lake Survey Report: Data Appendix (1993), This site: comparison of 1970s GSI aerial photos with recent GSI imagery (sources in Japanese)

Lake data

Area: 0.13 km²#72 in Hokkaido
Maximum depth: 1.1 m#90 in Hokkaido
Average depth: 0.4 m
Surface elevation: 5 m
Origin: Lagoon-origin lake
Lake type: Eutrophic
Fresh or brackish: Freshwater
Freezing: Freezes in winter
Unmodified lake: No
Natural park: Abashiri Quasi-National Park
Lake number: 0210number 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 Pontonuma Pond

Nearby lakes

Nearby roadside stations

Straight-line distances.