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Boating - KEYHOLE
 

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Boating - KEYHOLE

About:

Keyhole State Park is on Keyhole Reservoir, which has 14,720 acres of navigable water for fishing and recreational use.

More information:

  • Boats must be properly registered and inspected for aquatic invasive species prior to launching.
  • Please ensure your boat is properly equipped with safety equipment, i.e., life jackets, fire extinguishers, etc.
  • Additional information on current boat ramp levels is located HERE.

 

LocationLocation
  • Keyhole State Park is located in the northeast corner of Wyoming, just 6 miles off of Highway I-90.
  • Take exit 165, and go North, until you reach the park entrance.
AvailabilityAvailability
  • Boating is available year-round, as long as the ice is off the lake. Normally ice covers the lake in the winter, starting anywhere from October to December.
  • The ice comes off the lake sometime around late March to early May.
FeesFees

You must pay the park daily use fee.

Click here to view the Permits & Fees page

 

 

 
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Site Status
 
Alert:

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: 

Monitoring Keyhole Reservoir

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

 

Attention:

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.

 

Notice: 

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 update the public and gather feedback on a proposed visitor center in the Coulter Bay Area at Keyhole State Park.
More Information Here
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Hours
 
  • 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.

 

Map

Phone Number
 

307-756-3596

 
Map

 Location
 

 Keyhole State Park
 22 Marina Rd
 Moorcroft, WY 82721

↪ Get Directions

 

 

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