by F.W. Rich for Howard Pease. Grounds Three Roman altar stones, said to have been brought from Rochester, are situated at the entrance to the tower. The Douglas Monument, within a small clump of trees, contains a large upright stone which was originally a fireplace beam in Otterburn Castle, which was in the process of being demolished around the time the Douglas Monument was created. References External links Country houses in Northumberland 1086 establishments in England Houses completed in 1830 Hotels in Northumberland Otterburn, Northumberland Castles in Northumberland Buildings and structures completed in 1086 Country house hotels