More than 50 years ago, southeastern Montana’s landscape changed forever when a 525-foot-high dam was erected on Crow Tribal land to control flooding, generate power, and provide irrigation to farms and ranchlands. The added benefit was the creation of the striking Bighorn Canyon National Recreation Area. Since the dedication of Yellowtail Dam in 1968, hundreds of thousands of visitors have enjoyed the beauty of Bighorn Canyon on foot, by boat, or with waders on and fly rods in hand.