| Big Birch Lake | |
|---|---|
  Big Birch Lake | |
| Location | Stearns / Todd counties, Minnesota, U.S. |
| Coordinates | 45°46′40″N 94°45′04″W / 45.7778°N 94.7512°W |
| Basin countries | United States |
| Surface area | 2,108 acres (9 km2) |
| Max. depth | 81 ft (25 m) |
Big Birch Lake is a 2,108-acre (9 km2) lake near the towns of Grey Eagle, Minnesota and St. Rosa, Minnesota. It has a maximum depth of 81 feet (25 m). It is popular for watersports and fishing.