Mouldy Hill mountain info maps weather Mouldy Hill is the 11096th highest peak in the British Isles and the 1049th tallest in Ireland Elevation 312.0 m (1024 ft) Prominence 168.0 m (551 ft) Category Marilyn Hill / mountain range Inishowen Nearest town OS map sheets OSi50: 002 (Donegal) OSi50: 007 (Londonderry)