55°06′58″N 6°39′50″W / 55.116°N 6.664°W / 55.116; -6.664Mount Sandel Fort is an Iron Age fort in Coleraine, County Londonderry, Northern Ireland. The remains of the fort are located close to the Mount Sandel Mesolithic site.[1] Mount Sandel Fort mound is a State Care Historic Monument in the townland of Mount Sandel, in Causeway Coast and Glens Borough Council area, at Grid Ref: C8530 3070.[2]
The fort was used as a residence of John de Courcy.[3]