Lake Thetis

Lake Thetis
View on Lake Thetis and stromatolites
Lake Thetis
Location in Western Australia
LocationMid West, Western Australia
Coordinates30°30′26″S 115°04′50″E / 30.50722°S 115.08056°E / -30.50722; 115.08056
TypeSaline
Basin countriesAustralia
Max. length0.42 km (0.26 mi)
Max. width0.29 km (0.18 mi)
Average depth2 m (6 ft 7 in)

Lake Thetis is a saline coastal lake in the Mid West region of Western Australia. The lake is situated east of the small town Cervantes, 2 kilometres (1.2 mi) inland from the Indian Ocean, on a Quaternary limestone pavement.

The lake is part of Nambung National Park.