Science Fair Project Encyclopedia
The Overland Track is one of Australia's most well known bush walks, situated in the Cradle Mountain-Lake St Clair National Park, Tasmania. It runs from Cradle Mountain to Lake St Clair through the Tasmanian Wilderness World Heritage Area, winding through terrain ranging from sheer mountains and wild rivers to alpine plains and tundra. It has several alternative side trails, but from either end the track is about 80 km long. Notable features of the area include Cradle Mountain, Mount Ossa (the tallest mountain in Tasmania), a group of tarns called The Labyrinth, and Lake St Clair (the deepest lake in Australia).
Walkers typically complete the trail in 5-6 days, normally south-bound. The record time is held by a park ranger who walked from top to bottom in under a day carrying a chainsaw.
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