Keeper Hill mountain info maps weather Keeper Hill is the 2459th highest peak in the British Isles and the 117th tallest in Ireland Also known as Slievekimalta Elevation 694.0 m (2277 ft) Prominence 607.0 m (1991 ft) Features Trig point Category Marilyn Simm Hewitt Dillon Arderin Vandeleur-Lynam Hill / mountain range Shannon Nearest town OS map sheets OSi50: 059 (Clare, Offaly, Tipperary)