State Park

Keyhole State Park

Crook County, WyomingAbout 15,890 acresEstablished 1952

Notice: Alert — details

Status
Open (per official listing)
Entrance fee
Statewide rule — see below
Day-use reservations
None mentioned
Dogs
Not stated — check with park
Camping
YesAlso cabins
Official site
wyoparks.wyo.gov(307) 756-3596

Official page last checked Oct 29, 2026. How we keep this current

Current alerts 3

Fire restriction AlertStage 2 Fire Restrictions in Place Prohibited: Open flames/wood fires, gas fireplaces/firepits, tiki torches, and fireworks. Permitted: Approved gas… (more)

Stage 2 Fire Restrictions in Place Prohibited: Open flames/wood fires, gas fireplaces/firepits, tiki torches, and fireworks. Permitted: Approved gas grills with a lid. HCB Advisories: In Effect 10/9/2026 Keep yourself, pets, and livestock out of green water, floating scums or clumps. If contact occurs: rinse with clean water immediately and contact a doctor or veterinarian if symptoms develop. Visit: Bit.ly/WyoHCB2026 for more information and to help report sightings

Posted by the park. Official alert

Water quality AttentionCoulter Bay Boat Dock: The dock is currently in and available for use. Facilities: All campgrounds are open, the water is on, and the shower house is… (more)

Coulter Bay Boat Dock: The dock is currently in and available for use. Facilities: All campgrounds are open, the water is on, and the shower house is available. Tatanka Campground: Sites with both electric and water hookups are available. Coulter Bay Campground: Sites with electric hookups are available. Quiet Hours: 10 PM – 6 AM. Please, no music or generators during this time.

Posted by the park. Official alert

Partial closure NoticeEnd-of-Season Closures & Facilities Update • September 30, 2026 • Cottonwood and Homestead Campgrounds close for the season. • Water is turned off at… (more)

End-of-Season Closures & Facilities Update • September 30, 2026 • Cottonwood and Homestead Campgrounds close for the season. • Water is turned off at Cottonwood and Homestead. • October 15, 2026 • Arch Rock, Pronghorn, and Beach Area Campgrounds close for the season. • Water is turned off for all campgrounds. • Shower House and Fish Cleaning Station close for the season. • November 1, 2026 • All docks will be removed from the water and will be inaccessible. • Note: Dock removal date is subject to change based on weather. • Camping reservation season is May 15th - September 15th. All campsites are first come, first served outside of this time period. Cabins in Tatanka may be reserved year-round through Reserve.Wyoming.Gov. A reservation is needed 48 hours in advance during the off-season. • Docks and water systems are typically available annually from May 15th - October 15th (weather permitting). • RV dump station is available seasonally, weather dependent. • Fish cleaning station is available seasonally. • Call 307-756-3596 to check current availability. Keyhole Public Forum The Wyoming Department of State Parks and Cultural Resources has hosted three public forums to…

Posted by the park. Official alert

Overview

Keyhole State Park in Crook County, Wyoming seen from Cottonwood Area
Keyhole State Park in Crook County, Wyoming seen from Cottonwood Area. Photo: Mr. Satterly. CC0 1.0 (public domain dedication)

Keyhole State Park is a 15,890-acre park in Crook County, about 12 miles northeast of Moorcroft.

The park supports horseback riding, hunting in season, boating, swimming, and fishing. Water access includes a swimming beach. Camping is available: campsites, including RV sites, tent sites, and showers. Roofed lodging includes cabins.

Hours

Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.

FacilityDaysHoursSeason
ParkOur site is open year-round. Our fee booths (card only) are open Memorial Day through Labor Day. When the booths are closed, please use the automated fee machines (card only) located at every entrance or the fee canister (cash/check only) at the Headquarters entrance to pay fees.
Official wording

Our site is open year-round. Our fee booths (card only) are open Memorial Day through Labor Day. When the booths are closed, please use the automated fee machines (card only) located at every entrance or the fee canister (cash/check only) at the Headquarters entrance to pay fees.

Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).

Fees and passes

Parks: per vehicle per day ($7 resident / $12 non-resident).

Statewide fee rule from Wyoming's park system; this park’s page doesn’t list its own fees.

Wyoming park passes

  • Annual Day Use Pass (resident) — $48 first vehicle ($42 early-bird Dec 1–Feb 15); $24 additional vehicle. Day-use fees at Wyoming state parks and historic sites for the calendar year, one vehicle Details
  • Annual Day Use Pass (non-resident) — $96 first vehicle ($89 Dec 1–Feb 15); $48 additional vehicle. Day-use fees for the calendar year, one vehicle Details
  • Annual Camping Pass (residents only) — $89.60 first vehicle; $44.80 additional vehicle. Camping fees only (does not cover day use) Details
  • Wyoming Resident Veterans Lifetime Pass — Free (eligibility: Wyoming resident veteran, 50%+ service-connected disability). Free day use and camping for life Details

From the Wyoming state guide. Confirm which passes this park accepts.

Reservations

Day use
No day-use reservation requirement mentioned
Booking system
reserve.wyoming.gov
Phone
877-996-7275

Check availability and book

We link to the official booking system rather than showing live availability, which changes minute to minute.

Cabins and lodging

  • Cabins

Things to do

BoatingCampingFishingGeocachingHikingHorseback ridingHuntingSwimmingPicnicking

Amenities

Facilities

  • Restrooms
  • Showers
  • Picnic areas
  • Picnic shelters
  • Playground

Water

  • Swimming beach
  • Marina or boat slips

Camping

  • RV dump station
  • Tent camping
  • RV camping

Lodging

  • Cabins

Recreation

  • Horse trails

✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.

Getting there

Address
22 Marina Rd
Moorcroft, WY 82721
Nearest town
Moorcroft — about 12 mi northeast (straight line)
Coordinates
44.3822, -104.7800
Phone
(307) 756-3596

Google Maps directionsApple MapsOfficial park map (PDF)

Nearby state parks

Sources and freshness

“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology

Report a correction for this park