Maumakeogh mountain info maps weather Maumakeogh is the 9229th highest peak in the British Isles and the 912th tallest in Ireland Also known as Mam an Cheo Elevation 379.0 m (1243 ft) Prominence 294.0 m (964 ft) Category Marilyn Hill / mountain range North Mayo Nearest town OS map sheets OSi50: 023 (Mayo)