Anglers and hikers find access to Guernsey Reservoir's shoreline from this hike-in campground within Guernsey State Park. Cottonwood Cove requires campers to walk their gear to sites, though RVs up to 40 feet can access the area. The $10 fee covers basic amenities including picnic tables and campfire rings, with pets welcome on leash.
The state park manages reservations for this location, which sits near several other camping areas including Sandy Point — Guernsey State Park just northwest. Water activities and fishing draw most visitors to this section of the reservoir.
Description
Cottonwood Cove
Warning 3 Alerts are In Effect
There are 3 alerts for this campground. Camp safely!
Warning 3 Alerts are In Effect
There are 3 alerts for this campground. Camp safely!
A harmful cyanobacteria bloom (HCB) recreational use BLOOM ADVISORY has been issued for GUERNSEY RESERVOIR as of 6/19/26. Go to deq.wyoming.gov for more info. Avoid contact with water in the vicinity of the bloom If people, pets, or livestock come into contact with a bloom, rinse off with clean water as soon as possible and contact a doctor or veterinarian.
ANNUAL SILT RUN INFORMATION: -July 5: Reservoir levels begin dropping as water releases are reduced. -Boat ramps are expected to become unusable by July 8. -The silt run is scheduled for July 11___24. -Reservoir refilling begins July 24, with boating expected to resume around July 27. Water levels will continue rising until normal levels are reached around July 29.
As of 3/23/26, a fire restriction is in effect. Wood fires are not permitted at all. Propane and gas grills are permitted. Charcoal grills must be equipped with a lid. Seminoe, Buffalo Bill, Boysen, Sinks Canyon, Medicine Lodge, and Curt Gowdy are all reservable sites where you are permitted to have wood fires in designated areas. Check each park's Facebook page for more info!
RV Road Trip Guides
Map & DirectionsCottonwood Cove is located in Wyoming near Hartville
Address
2187 Lake Side Drive
Guernsey, WY 82214
Coordinates
42.30698055 N
104.8106678 W
Access
- Hike-InBackcountry sites.
Features
For Campers
- Picnic Table
- Reservable
- Pets
- Fires
For Vehicles
- Pull-Through Sites



