Wyoming State Parks · Wyoming
Keyhole State Park
Wyoming State Parks · Wyoming, United States
- Restrooms
- Yes
- Showers
- Yes
- Dump station
- Yes
- Pets
- Yes
- Elevation
- 4,094 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile good · AT&T good · Verizon good (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Lake
- Keyhole Reservoir
- Nearest town
- Moorcroft
- Address
- 22 Marina Rd
- Phone
- 307-756-3596
- Activities
- Beach, Boating, Fishing, Hiking, Horseback Riding, Bird Watching, Geocaching, Hunting, Winter Sports
295 numbered sites are mapped one by one - open the site map to pick yours.
About
Keyhole State Park is a Wyoming State Park with camping available.
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 | 34° | 14° | -22° | 54° | 11 of 11 |
| February | 39° | 15° | -22° | 63° | 11 of 11 |
| March | 48° | 26° | 5° | 76° | 11 of 11 |
| April | 52° | 31° | 2° | 79° | 10 of 11 |
| May | 64° | 44° | 29° | 89° | 3 of 11 |
| June | 79° | 56° | 42° | 102° | 0 of 11 |
| July | 88° | 63° | 50° | 102° | 0 of 11 |
| August | 84° | 60° | 49° | 101° | 0 of 11 |
| September | 77° | 53° | 32° | 94° | 1 of 11 |
| October | 60° | 37° | 13° | 82° | 7 of 10 |
| November | 50° | 29° | -5° | 68° | 9 of 10 |
| December | 36° | 22° | -6° | 60° | 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
- Belle Fourche River Campground · National Park Service · 17 mi · 45 sites
- Reuter Campground · USDA Forest Service · 21 mi · 13 sites
- Sundance · USDA Forest Service · 25 mi · 19 sites
- Cook Lake Rec Area · USDA Forest Service · 27 mi · 35 sites
- Bearlodge Campground · USDA Forest Service · 32 mi · 8 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.