The Overland Track is an Australian bushwalking track, traversing Cradle Mountain-Lake St Clair National Park, within the Tasmanian Wilderness World Heritage Area. It's walked by more than nine thousand people each year, with numbers limited in the warmer months. Officially the track runs for 65 kilometres (40 mi) from Cradle Mountain to Lake St Clair however many choose to extend it by walking along Lake St Clair for an extra day, bringing it to 82 kilometres (51 mi). It winds through terrain ranging from glacial mountains, temperate rainforest, wild rivers and alpine plains.

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.