Lake Nakaumi

Country/territory: Japan

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

Area: 10,000 ha

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

Site description
Lake Nakaumi is about 9,200 ha and the fifth largest lake in Japan located on the border of Tottori Prefecture and Shimane Prefecture. It is a brackish lake with an average depth of 6 m. The lake is connected with the Japan Sea on the north while its west part is connected with Lake Shinjiko. The site is one of the most important wintering grounds for waterfowl; 50,000-75,000 birds winter here every year.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lake Nakaumi. Downloaded from on 06/02/2023.