Otter Tail Lake
| Otter Tail Lake | |
|---|---|
Aerial view of the frozen Otter Tail Lake | |
| Location | Otter Tail County, Minnesota, United States |
| Coordinates | 46°24′1.45″N 95°39′46.65″W / 46.4004028°N 95.6629583°W |
| Primary inflows | Otter Tail River, Dead River |
| Primary outflows | Otter Tail River |
| Basin countries | United States |
| Surface area | 21 sq mi (54 km2) |
| Max. depth | 120 ft (37 m) |
| Settlements | Ottertail, Minnesota |
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Otter Tail Lake is a 21-square-mile (54 km2) lake in the west-central part of the U.S. state of Minnesota and is the largest lake in Otter Tail County.