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
Battle of the Little Bighorn Indian reservations. The Battle of the Little Bighorn was the subject of an 1879 U.S. Army Court of Inquiry in Chicago, held at Reno's request, during which his conduct was scrutinized. Some testimony by non-Army officers suggested that he was drunk and a coward. The court found Reno's conduct to be without fault. After the battle, Thomas Rosser, James O'Kelly, and others continued to question the conduct of Reno due to his hastily ordered retreat. Defenders of Reno at the trial noted that, while the retreat was disorganized, Reno did not withdraw from his position until it became apparent that