Bootの地形図

平均標高：175 m

Blea Tarn is a lake in Eskdale, Cumbria, in the English Lake District, located about half a mile north of Beckfoot. Located at an elevation of 217 m (712 ft), the lake has an area of 3.3 hectares (8.2 acres) and measures 277 m × 150 m (909 ft × 492 ft), with a maximum depth of 11 m (36 ft).

平均標高：144 m

平均標高：202 m

平均標高：165 m