We welcome all and invite you to visit the Fort Berthold Reservation and learn more about our culture and history. Hospitality is our tradition!

The Mandan, Hidatsa, and Arikara Nation, also known as the Three Affiliated Tribes, is located on the Fort Berthold Indian Reservation in central North Dakota. The reservation is located on the Missouri River in McLean, Mountrail, Dunn, McKenzie, Mercer and Ward counties. The reservation consists of 988,000 acres, of which 457,837 acres are owned by Native Americans, either as individual allotments or communally by the tribe.