Lake Käsmu
| Lake Käsmu | |
|---|---|
| Location | Eru, Lääne-Viru County, Estonia |
| Coordinates | 59°35′N 25°53′E / 59.583°N 25.883°E |
| Basin countries | Estonia |
| Max. length | 1,000 m (3,300 ft) |
| Max. width | 560 m (1,840 ft) |
| Surface area | 43 ha (110 acres) |
| Average depth | 2 m (6.6 ft) |
| Max. depth | 3 m (9.8 ft) |
| Water volume | 860,000 m3 (700 acre⋅ft) |
| Surface elevation | 3.9 m (13 ft) |
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Lake Käsmu is a lake Lake Käsmu is a lake in the village of Eru, Haljala municipality, Lääne-Viru County, Estonia. Käsmu lake is located on the southern edge of the Käsmu peninsula in northern Estonia.
The lake has a surface area of about 43 hectares with an average of 2m in depth. Vegetation is large in terms of the number of species: there are 22 types of macrophytes.