Bighorn River Wind River Canyon near the town of Thermopolis. From there, the river flows through the Bighorn Basin in north central Wyoming, passing through Thermopolis and Hot Springs State Park. At the border with Montana, the river turns northeast, and flows past the north end of the Bighorn Mountains, through the Crow Indian Reservation, where the Yellowtail Dam forms the Bighorn Lake reservoir. The reservoir and the surrounding canyon are part of the Bighorn Canyon National Recreation Area. The Little Bighorn River joins the Bighorn near the town of Hardin, Montana. Approximately fifty miles farther downriver, the Bighorn River ends where
Little Bighorn Battlefield National Monument the Sans Arc Lakota warrior Long Road and the Minniconjou Lakota Dog's Back Bone. On June 25, 2003, an "unknown Lakota warrior marker" was placed on Wooden Leg Hill, east of Last Stand Hill to honor a warrior who was killed during the battle, as witnessed and reported by the Northern Cheyenne warrior Wooden Leg. The battlefield is the final resting place of the western historian and author Stanley Vestal, a professor at the University of Oklahoma. Little Bighorn Battlefield National Monument Little Bighorn Battlefield National Monument preserves the site of the June 25 and 26, 1876, Battle of the