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From Wikipedia, the free encyclopedia
Lake Hyōko (瓢湖) is a 281-hectare (690-acre) reservoir area in the city of Agano, Niigata, Japan.
![]() | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (March 2020) |
Lake Hyōko | |
---|---|
瓢湖 (Japanese) | |
![]() Lake Hyōko in winter | |
Coordinates | 37°50′18″N 139°14′14″E |
Built | 1639 |
Surface area | 8 ha (20 acres) |
Max. depth | 1.2 m (3 ft 11 in) |
Official name | Hyo-ko |
Designated | 30 October 2008 |
Reference no. | 1842[1] |
The reservoir was created in 1639 during the Edo period of Japanese history. It is noted for its abundant and diverse bird life, and is an important overwintering grounds for Whooper swans and Tundra swans. The area received protection from the Japanese government as a wildlife refuge in 2005.
On October 30, 2008, it was registered as a Ramsar site.
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