Wyoming State Parks · Wyoming
Keyhole State Park
Wyoming State Parks · Wyoming, United States
- Season
- Year-round
- 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 - the site map below shows each with its facts and pictures.
Site map
295 numbered sites are mapped one by one on the imagery, with the operator's own facts and pictures for each site where it publishes them. Tap a site to rate it, keep a note and add your own photos; press and hold the map for a pin of your own. Your ratings, notes, pins and photos are kept with the campground on your Saved list, the same list the camping map and the drive page keep.
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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.