Wyoming State Parks · Wyoming
Guernsey State Park
Wyoming State Parks · Wyoming, United States
- Sites
- 250
- Group sites
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 4,390 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile weak · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Guernsey Reservoir
- Nearest town
- Guernsey
- Address
- 2187 Lake Side Drive
- Phone
- 307-836-2334
- Activities
- Beach, Biking, Boating, Hiking, Horseback Riding, Swimming, Wildlife Viewing
203 numbered sites are mapped one by one - open the site map to pick yours.
About
Guernsey State Park is a Wyoming State Park with 250 campsites available for camping.
Fees
Wyoming State Parks and Cultural Resources' published statewide camping rate: $10.00/vehicle/night base camping rate (Wyoming resident) or $18.00/vehicle/night (non-resident), plus this park's day-use entry fee ($7.00/vehicle/day resident, $12.00/vehicle/day non-resident) and applicable sales/lodging taxes; +$10.00/night where an electric hookup is used. (Source: wyoparks.wyo.gov/index.php/permits-reservations/permits-fees.)
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 39° | 22° | -17° | 58° | 11 of 11 |
| February | 44° | 21° | -20° | 66° | 11 of 11 |
| March | 49° | 29° | 1° | 80° | 11 of 11 |
| April | 61° | 33° | 13° | 83° | 8 of 11 |
| May | 69° | 46° | 31° | 89° | 1 of 11 |
| June | 84° | 59° | 44° | 102° | 0 of 11 |
| July | 93° | 65° | 54° | 101° | 0 of 11 |
| August | 89° | 62° | 51° | 99° | 0 of 11 |
| September | 84° | 55° | 28° | 99° | 1 of 11 |
| October | 64° | 40° | 20° | 83° | 4 of 10 |
| November | 55° | 32° | 7° | 73° | 8 of 10 |
| December | 43° | 26° | 2° | 61° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Larson Park Campground · City, County & Regional Parks · 6 mi
- Glendo State Park · Wyoming State Parks · 18 mi · 500 sites
- Wheatland City Park - Lewis Park · City, County & Regional Parks · 20 mi
- Esterbrook Campground · USDA Forest Service · 28 mi · 12 sites
- Friend Park Campground · USDA Forest Service · 35 mi · 11 sites
All public campgrounds in Wyoming · Every state and province · Facts read from the operator 2026-08-25. Confirm fees, rules and current status with the operator before you go.