Lake Takkobu

About Lake Takkobu

The southernmost of the three freshwater lakes on the eastern edge of the Kushiro Wetland, within the Ramsar Site. In the 1991 survey it ranked 12th in Japan among unmodified lakes with a shoreline of 5 km or more (5.8 km). Recorded species include white-spotted char, Sakhalin taimen and Japanese smelt, and whooper swans in winter.

Sources: Ministry of the Environment, Ramsar Site leaflet: Kushiro-shitsugen, Environment Agency of Japan, Lake Survey Report (1993), Environment Agency of Japan, Lake Survey Report: Data Appendix (1993) (sources in Japanese)

Lake data

Area

1.31 km²#31 in Hokkaido

Maximum depth

1.8 m#85 in Hokkaido

Average depth

2 m

Surface elevation

3.78 m

Transparency

1.8 m#25 in Hokkaidoas of the 1991 survey

Origin

Lagoon-origin lake

Lake type

Oligotrophic

Fresh or brackish

Freshwater

Freezing

Freezes in winter

Unmodified lake

Yes (shore entirely natural)

Natural park

Kushiroshitsugen National Park

Ramsar Convention

Ramsar Site

Lake number

0590number in the national lake survey

Sources: Geospatial Information Authority of Japan, Area Statistics of Prefectures and Municipalities 2026 (as of July 1), Geospatial Information Authority of Japan, Lake Survey (surveyed 1992), 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 Takkobu

• Lagoon-origin lakes
• Oligotrophic lakes
• Freshwater lakes
• Unmodified lakes