About Big Horn County
Welcome to Big Horn County, the sixth largest county in Montana, at approximately 5,023 square miles, and with a population exceeding 13,000. The local government was established January 13, 1913. Hardin is the County Seat.
The scenic Big Horn, Pryor and Wolf Mountain ranges are part of the Big Horn County landscape. Visitors may want to enjoy fishing the Big Horn, Little Big Horn, and Tongue Rivers which wind through this region. The spectacular Big Horn Canyon National Recreation Area is host to water sports including boating, water skiing and more. Chief Plenty Coups State Park, at Pryor, contains much history of the Crow Indians.
Big Horn County is a land made up of varying jurisdictions. As you drive across the Crow and Northern Cheyenne Indian Nations, be aware that each has its own unique regulations and law enforcement agencies.
