Coolcross Hill mountain info maps weather Coolcross Hill is the 11707th highest peak in the British Isles and the 1101st tallest in Ireland Elevation 291.0 m (955 ft) Prominence 168.0 m (551 ft) Category Marilyn Hill / mountain range Inishowen Nearest town OS map sheets OSi50: 003 (Donegal, Derry)