Camden Fort Meagher is a coastal defence fortification close to Crosshaven, County Cork, Ireland. Together with similar structures at Fort Mitchell (Spike Island), Fort Davis (Whitegate), and Templebreedy Battery (also close to Crosshaven), the fort was built to defend the mouth of Cork Harbour. Though originally constructed in the 16th century, the current structures of the 45 acre fort (65% of which is underground) date to the 1860s. Originally named Fort Camden and operated by the British Armed Forces, the fort (along with other Treaty Port installations) was handed-over to the Irish Defence Forces in 1938. Renamed Fort Meagher in honour of Thomas Francis Meagher, it remained an Irish military installation until 1989 when the Irish Army handed the fort over to Cork County Council. It re