Cross erected near Banba's Crown, Ireland's northernmost point.
This is a list of the extreme points of Ireland – the points that are farthest north, south, east or west in Ireland. It includes the Republic of Ireland and Northern Ireland.
↑"Ireland". The World Factbook. Central Intelligence Agency. 1 October 2025. Archived from the original on 18 September 2025. Retrieved 30 October 2025. lowest point: Atlantic Ocean 0 m
↑Healy, Brenda; Oliver, Geoff; Hatch, Pat; Good, Jervis (February 1997). "Coastal Lagoons in the Republic of Ireland"(PDF). National Parks and Wildlife Service. pp.23–24. Retrieved 30 October 2025.
↑Pugh et al. 2021 p. 1625 "Cork City has a long history of flooding, due to a combination of fluvial flooding from the River Lee and tidal flooding. Tidal flooding became more common through the 20th century".