Cradle Mountain–Lake St Clair National Park is located in the Central Highlands area of Tasmania (Australia), 165 kilometres (103 mi) northwest of Hobart. The park contains many walking trails, and is where hikes along the well-known Overland Track usually begin. 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.

The Central Highlands is a region in Tasmania, Australia where geographical and administrative boundaries closely coincide. It is also known as The Lake Country of Tasmania.