Alcock Tarn

Type; Natural, enlarged by damming
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Location; ¾ mile east of Grasmere
Accessibility; Access Land, footpaths from Grasmere village
Grid Ref; NY 349 079
Elevation; 369m (1200 feet)
Size; 170m x 37m (556 x 120 feet)
Area; 0.6 hectares (1.5 acres)
Depth; 2m (6½ feet)
Meaning of name; Alcock's Tarn
Alternative name(s); Butter Crags Tarn

Located in a shelf on the western flank of Heron Pike, Alcock Tarn lies 1000 feet above Grasmere village. It was originally a natural tarn named Butter Crags Tarn, until the late 19th century when Mr Alcock of The Hollins in Grasmere enlarged the tarn by means of a small stone & earth dam to create a trout lake.

It is well worth the effort of climbing 1000 feet from Grasmere, being a rather attractive tarn with grassy banks and some reedbeds around the edge. The views to the south and west, with Grasmere in the valley below, are stunning.