Lake Kuccharo

Country/territory: Japan

IBA Criteria met: A4i, A4iii (2004)
For more information about IBA criteria please click here

Area: 2,803 ha

Wild Bird Society of Japan
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2015 high near favourable high
For more information about IBA monitoring please click here

Site description
Kuccharoko lake is an inland sea which faces the Sea of Okhotsk in the north of Hokkaido. The lake consists of two small lakes, Onuma (5.5 m diameter) and Konuma (3m diameter), and is 27 km around, with an average water depth of 1.5 m. During high tide, seawater flows back from Okhotsk Sea, because of the lake's low altitude. Neighboring areas are covered with Carex, Sphagrum and Phragmites australis, and eight rivers flow into the lakes.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Lake Kuccharo. Downloaded from on 19/08/2022.