Cnoc Lios Uachtair mountain info maps weather Cnoc Lios Uachtair is the 8649th highest peak in the British Isles and the 855th tallest in Ireland Also known as Lissoughter Elevation 401.0 m (1316 ft) Prominence 336.0 m (1102 ft) Survey method Abney level Features Rock outcrop Category Marilyn Tump (400-499m) Hill / mountain range Maamturks Nearest town OS map sheets OSi50: 044 (Galway)