Lake Sartlan

54°59′N 78°35′E / 54.983°N 78.583°E / 54.983; 78.583Catchment area2,020 km² (780 sq mi)Surface area238 km² (92 sq mi)Max. depth6 m (20 ft)Surface elevation110 m (360 ft)References^[1]

Lake Sartlan (Russian: Озеро Сартлан) is an endorheic hyposaline lake in the Baraba steppe of Novosibirsk Oblast, Russia. Sartlan has a surface area of 238 km² (92 sq mi). It is the third largest lake in Novosibirsk Oblast after Lake Chany and Lake Ubinskoye. It has an average depth of about 3 m and a maximum depth of 6 m.

In 1948 and 1984, cases of Haff disease were recorded near the lake. It is also known as Sartlan disease.