Blackbeck Tarn is a small tarn in Cumbria, England, situated near the summit of Haystacks in the Buttermere Valley.[1] At an elevation of 486 m (1,594 ft), the lake has an area of 0.95 hectares (2.3 acres) and measures 183 m × 80 m (600 ft × 262 ft), with a maximum depth of 2.5 m (8.2 ft).[2]
