Knockanora mountain info maps weather Knockanora is the 7752nd highest peak in the British Isles and the 712th tallest in Ireland Also known as Cnoc an Fhothraigh Elevation 433.0 m (1421 ft) Prominence 248.0 m (814 ft) Category Marilyn Tump (400-499m) Hill / mountain range Shannon Nearest town OS map sheets OSi50: 059 (Clare, Offaly, Tipperary)