Lea River

The River Lea is a steep continuous river in the north-western region of Tasmania, Australia.

The river has an average gradient of 27 metres per kilometre (140 ft/mi) and a peak grade of 45 metres per kilometre (240 ft/mi) that flows from to .

The river flows during the Tasmanian winter and spring, with flow reducing over the drier summer months.

Located in a remote wilderness area, the Lea River is the site of the annual Lea Extreme Race.