Castlewellan Forest Park is located in the town of Castlewellan in County Down, Northern Ireland.
The park covers some 460 hectares, including woodland and a 40 hectare lake. It was opened to the public in 1967 after the Forest Service of the Department of Agriculture purchased the land from the Annesley family. Features of the park include the National Arboretum, the Peace Maze and Castlewellan Castle.
Wikipedia https://en.wikipedia.org/wiki/Castlewellan_Forest_Park
Address (Unnamed Road), BT31 9, United Kingdom
Coordinates 54°15'57.494" N -5°57'42.089" E