Mongorry Hill mountain info maps weather photos © Kenneth Allen and licensed for reuse under this Licence Mongorry Hill is the 11925th highest peak in the British Isles and the 1116th tallest in Ireland Also known as Cnoc Mhoin Ghofraidh Elevation 284.0 m (932 ft) Prominence 176.0 m (577 ft) Category Marilyn Hill / mountain range Inishowen Nearest town OS map sheets OSi50: 006 (Donegal, Tyrone)