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 see in the distance native warriors on horseback shooting at objects on the ground. By this time, roughly 5:25 pm, Custer's battle may have concluded. The conventional historical understanding is that what Weir witnessed was most likely warriors killing the wounded soldiers and shooting at dead bodies on the "Last Stand Hill" at the northern end of the Custer battlefield. Some contemporary historians have suggested that what Weir witnessed was a fight on what is now called Calhoun Hill. The destruction of Keogh's battalion may have begun with the collapse of L, I and C Company (half of it) following