Lake Zahl National Wildlife Refuge

Lake Zahl National Wildlife Refuge (NWR) is a fee title and easement refuge. The Refuge lies at the juncture of the Missouri Coteau and the Missouri Slope physiographic regions. Water flowing out of Lake Zahl enters the Little Muddy River which flows into Lake Sakakawea, along the Missouri River, 28 miles to the south.

The Refuge is divided by State Highway 50, 0.5 miles west of its juncture with State Highway 85, 30 miles north of Williston, North Dakota. The Refuge is accessible from State Highway 50 and county and township roads that border the unit.