Oldman River System Map

The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, and on to Grassy Lake, where it joins the Bow River to form the South Saskatchewan River, which eventually drains into the Hudson Bay.
  • Country: Canada
  • Province: Alberta
  • Length: 363 km (226 mi)
  • Basin size: 26,700 km² (10,300 sq mi)
Data from: en.wikipedia.org