Arrowrock Reservoir

Located in Idaho

Arrowrock Reservoir is a reservoir located on the Boise River about 22 miles northeast of Boise, Idaho. It was created in 1915 by the Arrowrock Dam and has a surface area of about 6,000 acres. The reservoir provides irrigation water, flood control, and hydroelectric power to the surrounding areas. It is also popular for recreational activities such as boating, fishing, and camping.