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CJ Strike Area - Cottonwood Park

ID 78 W, Bruneau
26 mi S of Mt Home via ID-78 S, ID 83604
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Description and Local Attractions

Located at the end of Cottonwood Road, near mile marker 72 on Idaho Highway 78, and approximately 26 miles south of Mountain Home.

All Idaho Power facilities, including campgrounds, are closed to visitors March 17-April 16 in response to the COVID-19 (coronavirus) pandemic. Day-use parks and boat ramps remain open. Restrooms are closed, however portable restrooms will be available soon. Campground reservations for dates prior to April 16 will be fully refunded. This move is designed to protect our employees, customers and the communities we serve while keeping your energy reliable and safe. More information can be found at the link below:


Cottonwood Park is a 12-acre campground located at the Bruneau delta on the south side of the C.J. Strike reservoir. All sites are available for RVs or tents. There is a day-use picnic shelter that can be reserved. Get the latest stream flow and reservoir water level information.

Day use in the park is free.

  • 31 RV sites with shared water, no electric hookups
  • Vault toilets
  • Fire rings
  • Boat marina
  • Waterfront walking path, interpretive signs



RV site $8/night
Picnic shelter $75/day*
* Includes $25 reservation fee

Winter (Nov. 1 - March 31)

RV site $4/night

Reservation Fees

Online $10/site
Phone $15/site – call 1-844-472-7275 to make a reservation

Applicable state taxes will be added to all fees. Reservation fees are non-refundable.


Reservations may be cancelled up to 48 hours prior to arrival date for a refund of campsite/picnic shelter fees. Follow these steps to cancel a reservation:

Note: The reservation fee is non-refundable; in addition, a cancellation fee of $10 will apply.

View more information on fees, changes and cancellations.


There is a 14-day stay limit for all parks.

Check-in time is 2 p.m. MDT (local park time).

Check-out time is 1 p.m. MDT (local park time).

Only one camping unit (maximum eight persons) per designated campsite is permitted.

View a list of complete policies.

More Information

Get more information about other Idaho Power parks and campgrounds.

Frequently Asked Questions

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Reservation System

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