|Max. length||6.9 km (4.3 mi)|
|Max. width||6.2 km (3.9 mi)|
|Surface area||26.38 km2 (10.19 sq mi)|
|Average depth||19.2 m (63 ft)|
|Max. depth||34 m (112 ft)|
|Shore length1||27 km (17 mi)|
|Surface elevation||320 m (1,050 ft)|
|1 Shore length is not a well-defined measure.|
Turgoyak (Russian: Тургояк) is a lake in Chelyabinsk Oblast, near the city of Miass, Russia. It has a surface of 2638 hectares. The water of the lake has a great transparency (from 10-17.5 m). The quality of the water is comparable to that of Lake Baikal.
A megalithic monument is found on an island in the lake (Vera island), as well as ruins of a monastery.
The lake is a popular tourist destination with resorts and holiday camps.