Lake Kuttara

About Lake Kuttara

A lake in the Kuttara caldera, formed by an eruption more than 43,000 years ago. Its transparency of 22.0 m in the 1991 survey was the second highest in Japan after Lake Mashu. Recorded fish include kokanee, Japanese dace, carp, crucian carp and sculpin.

Sources: Japan Meteorological Agency, Caldera volcanoes (National Catalogue of the Active Volcanoes in Japan), Environment Agency of Japan, Lake Survey Report (1993), Environment Agency of Japan, Lake Survey Report: Data Appendix (1993) (sources in Japanese)

Lake data

Area

4.7 km²#17 in Hokkaido

Maximum depth

148 m#4 in Hokkaido

Average depth

105.1 m

Surface elevation

258 m

Transparency

22 m#2 in Hokkaidoas of the 1991 survey

Origin

Caldera lake

Lake type

Oligotrophic

Fresh or brackish

Freshwater

Freezing

Freezes in winter

Unmodified lake

No

Natural park

Shikotsu-Toya National Park

Lake number

1150number 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 1978), 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 Kuttara

• Caldera lakes
• Oligotrophic lakes
• Freshwater lakes