The northernmost tip is the headland named Banba's Crown located at latitude 55.38ºN
The most northerly point is Inishtrahull Island, situated in the Atlantic Ocean 7 km north of Inishowen Peninsula, county Donegal. It lies at latitude 55.43ºN. Of mainland Ireland, the most northerly point is a headland 2 km northeast of Malin Head, Inishowen Peninsula, county Donegal.
Banba’s Crown on Malin Head is the most northerly point of the Irish mainland.Baba was one of the mythical queens of Ireland. Banba’s Crown is about 16 km (10 mi) north of the village of Malin. The island of Inishtrahull is further north, located approximately 10 km (6 mi) north east of Malin Head. Further north still is the most northerly landfall of Ireland, Tor Beg rock.