Black River First Nation (sometimes Little Black River First Nation; Makadewaagamijiwanong in Ojibwe) is an Ojibwa First Nation located around O'Hanley, Manitoba, along the O'Hanley and Black Rivers, on the eastern shore of Lake Winnipeg. It is 32 kilometers north of Pine Falls, and around 150 kilometers north of Winnipeg. In January 2008, the total registered population was 977, of which the on-reserve population was 701. The 2011 Census reported 521 inhabitants at the reserve. The First Nation has as its reserve the 809.3 ha Black River 9 Indian Reserve.