 Major features are Cradle Mountain and Barn Bluff in the northern end, Mount Pelion East, Mount Pelion West, Mount Oakleigh and Mount Ossa in the middle and Lake St Clair in the southern end of the park.The park is part of the Tasmanian Wilderness World Heritage Area.Cradle Mountain-Lake St Clair National Park lies on the boundary between the Big River and Northern Tasmanian Aboriginal nations.