Grinlieve mountain info maps weather Grinlieve is the 9446th highest peak in the British Isles and the 929th tallest in Ireland Also known as Cruinnshliabh Elevation 371.0 m (1217 ft) Prominence 214.0 m (702 ft) Category Marilyn Hill / mountain range Inishowen Nearest town OS map sheets OSi50: 003 (Donegal, Derry)