About Arrowrock Reservoir
Arrowrock Reservoir is formed by Arrowrock Dam which is part of the Boise Project. The Reservoir is managed by the Boise National Forest, (Boise National Forest map). This 18 mile narrow canyon reservoir of 3,150-acres has limited access to 60 miles of shoreline. Boating, canoeing, windsurfing, and fishing are the major recreation activities at Arrowrock, located east of Boise. The reservoir is only 30 minutes from Boise and provides access to the city's nearest national forest. Fish species include rainbow trout, kokanee, yellow perch, whitefish, and the protected bull trout. Season open year-round. Reservoir acre feet and total reservoir capacity and cubic feet/second release rates for rivers below Boise & Payette River Basins reservoirs and select river locations are updated daily and graphically provided. Site offers: vault toilets, boat ramps and dock, parking, and dispersed camping.
How to Get There
Follow Idaho 21 to Mores Creek Bridge, about 18 miles, then take the road to the right to Arrowrock Dam.
Driving directions (Google Maps) →Plan Your Visit to Arrowrock Reservoir
Heading to Arrowrock Reservoir? A few things to know before you go:
- Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
- Fees: day-use and camping fees vary; check current rates on the official park page
- Trash & pack-out: follow Leave No Trace principles
- Wildlife: store food in bear boxes where provided; never feed wildlife
- Weather: the 5-day forecast above is updated every 6 hours; verify just before you go
Frequently Asked Questions
Do I need a reservation for Arrowrock Reservoir?
No central reservation system listed for Arrowrock Reservoir. Check the official page (https://www.recreation.gov/recarea/107) for the latest entry policy and availability.
How do I get to Arrowrock Reservoir?
Follow Idaho 21 to Mores Creek Bridge, about 18 miles, then take the road to the right to Arrowrock Dam.
How do I contact Arrowrock Reservoir?
You can reach the park at phone: 208-587-7961 or email: pninfo@usbr.gov.
References & Official Resources
