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 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 . It winds through terrain ranging from glacial mountains, temperate rainforest, wild rivers and alpine plains.