J. Clark Salyer National Wildlife Refuge is located along the Souris River in Bottineau and McHenry Counties in north-central North Dakota.

The refuge of 58,693 acres (237.5 km2) extends from the Manitoba border southward for approximately 45 miles (72 km) in an area which was once Glacial Lake Souris.

The area is old lake bottom and has extremely flat topography and a high density of temporary wetlands.

The Souris River originates in southern Saskatchewan, flows southwest to Velva, North Dakota, and then generally north to join the Assiniboine River in southern Manitoba.

[2] This article incorporates public domain material from websites or documents of the United States Fish and Wildlife Service.