Cashlaundrumlahan mountain info maps weather Cashlaundrumlahan is the 9613th highest peak in the British Isles and the 939th tallest in Ireland Also known as Caislean Dhroim Leathan Elevation 365.0 m (1198 ft) Prominence 220.0 m (722 ft) Category Marilyn Hill / mountain range Shannon Nearest town OS map sheets OSi50: 052 (Clare, Galway)