Cradle Mountain is a mountain in the Cradle Mountain-Lake St Clair National Park, Tasmania, Australia. Rising to 1,545 metres above sea level it is one of the principal tourist sites in Tasmania, owing to its natural beauty. The mountain is composed of dolerite columns, similar to many of the other mountains in the area. One of the world’s best multi-day walks starts here, the Overland Track, that leads up hill and down dale through a variety of extraordinary landscapes to finish 80 km to the south at Lake St.Clair, Australia’s deepest lake.