Willow Creek Campground (10 units) is at the upper end of the reservoir. Cottonwood Campground (3 units) is located about a mile upstream on Cottonwood Creek.
Some More Things to Know
Please note that threatened bull trout inhabit these waters and must be released unharmed immediately if caught. Please read the Bull Trout Alert.
Directions
Arrowrock Reservoir is on the Boise River directly upstream of Lucky Peak Reservoir. To get there, take Highway 21 north from Boise to Forest Road 268. Drive past Lucky Peak Reservoir.
