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 gone, and the mysterious yellow bulldog is gone, which means that in a sense the legend is true. Comanche alone survived. The site of the battle was first preserved as a United States national cemetery in 1879 to protect the graves of the 7th Cavalry troopers. In 1946, it was re-designated as the "Custer Battlefield National Monument", reflecting its association with Custer. In 1967, Major Marcus Reno was re-interred in the cemetery with honors, including an eleven-gun salute. Beginning in the early 1970s, there was concern within the National Park Service over the name Custer Battlefield National Monument failing to