Map of Wollston Lake

Wollaston Lake is a lake in the north-eastern part of the Canadian province of Saskatchewan. It is about 550 kilometres north-east of Prince Albert. With a surface area of 2,286 square kilometres, it is the largest bifurcation lake in the world — that is, a lake that drains naturally in two directions.
  • Location: Northern Saskatchewan Administration District
  • Primary inflows: Geikie River
  • Primary outflows: Fond du Lac River (10%) Cochrane River (90%)
  • Catchment area: 20,000 km² (7,700 sq mi)
  • Basin countries: Canada
  • Surface area: 2,681 km² (1,035 sq mi)
  • Average depth: 20.6 m (68 ft)
Data from: en.wikipedia.org