Ozenuma

Coordinates36°55′39″N 139°18′10″E / 36.92750°N 139.30278°E / 36.92750; 139.30278

BasincountriesJapan

Surface area1.8 km² (0.69 sq mi)

Average depth4.1 m (13 ft)

Lake Ozenuma
Lake Ozenuma
Coordinates	36°55′39″N 139°18′10″E / 36.92750°N 139.30278°E / 36.92750; 139.30278
Basin countries	Japan
Surface area	1.8 km2 (0.69 sq mi)
Average depth	4.1 m (13 ft)
Max. depth	9.5 m (31 ft)
Shore length1	6–9 km (3.7–5.6 mi)
Surface elevation	1,660–1,665 m (5,446–5,463 ft)
1 Shore length is not a well-defined measure.

Ozenuma (尾瀬沼) is a high altitude lake in the Oze National Park, Japan. It is located on the border of Fukushima and Gunma prefectures. In 2005 it was designated as a Ramsar Wetland.^[1][2][3]

The area of this lake is 1.6^[4]-1.84^[3] km2.