The River Lea is a steep continuous river located 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 Lake Lea to Lake Gairdner.

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.

First Drop	41°28′25″S 146°02′56″E / 41.47361°S 146.04889°E / -41.47361; 146.04889 (First Drop)
Dog Leg
Screaming Plastic Surgeons
Proctologists' Twist

• List of rivers of Australia § Tasmania