| Blea Tarn | |
| Location: | Lake District, Cumbria |
| Coords: | 54.3975°N -3.2861°W |
| Type: | Tarn |
| Pushpin Map: | United Kingdom Lake District#United Kingdom Copeland |
| Pushpin Map Caption: | Location in the Lake District##Location in Copeland Borough |
| Basin Countries: | United Kingdom |
| Length: | 277m (909feet) |
| Width: | 150m (490feet) |
| Area: | 3.3ha |
| Max-Depth: | 11m (36feet) |
| Elevation: | 217m (712feet) |
Blea Tarn is a lake in Cumbria, England, located about half a mile north of Beckfoot. Located at an elevation of 217m (712feet), the lake has an area of 3.3ha and measures 277x, with a maximum depth of 11m (36feet).[1]