Crom Demesne is one of the most important nature conservation areas in Northern Ireland. It covers 2000 acres of ancient woodland, with some of the oldest trees in Ireland, possibly Europe, set amid the stunning peaceful lakelands of Upper Lough Erne. It is owned and managed by The National Trust who offer guided walks with a conservation warden. There is also an Eco-club for children during the summer holidays. It is home to a 19th century Castle which is privately owned.