The two highest Boise river dams are the Arrowrock Dam which opened in 1915 and has a height of 350 ft. (110 m), followed by Lucky Peak Dam which opened in 1955 and has a height of 340 ft (100 m).
The two highest Boise river dams are the Arrowrock Dam which opened in 1915 and has a height of 350 ft. (110 m), followed by Lucky Peak Dam which opened in 1955 and has a height of 340 ft (100 m).