Regular campsite reservations booked after January 1, 2019 can be made no more than four (4) months in advance for arrival dates beginning May 1 through September 30.

Cabin reservations at Keyhole and Boysen State parks, yurt reservations at Glendo, Guernsey, and Sinks Canyon State Parks and the Tree House at Keyhole State Park are available online year-round and may be made four (4) months in advance. The Lodges at Curt Gowdy and Buffalo Bill State Park, the Amphitheather at Curt Gowdy State Park and the Shelters at Buffalo Bill State Park may be reserved beginning October 1 at 8:00 am for the following season of May 1 through September 30. For additional information on all rental unit facilities such as cabins, yurts, lodges, etc., please visit our Rental Units page. 

Regular campsite reservations are available 24/7 during the reservation season. For first date arrival availability, online reservations for regular campsites may be booked as early as midnight (12:00 a.m.) MTN.

To make a reservation, click "Reserve Now" below or scroll down for a listing of our Parks offering reservations.


Reserve Now →



Call: 877-996-7275 (Mountain State Time Zone)

  • Phone reservations and support for exisiting reservations (other than those booked before Dec. 31st) may be made:
    • ​Jan. 1 - May. 31: Monday - Friday, 10am - 7pm
    • Jun. 1 - Jul. 31: Seven days a week, 8am-7pm
    • Aug. 1 - Dec. 31: Monday - Friday, 10am - 7pm


  • Call Center closed New Year's, Thanksgiving and Christmas Day.
  • Nonrefundable booking fees apply. 
  • For support on exisiting reservation booked before Dec. 31, please call the Cheyenne HQ Office at 307-777-6323


Reserve Now →




Reserve Now


Reserve Now →


Wyoming State Parks, Historic Sites & Trails offer a variety of rental unit structures including cabins, yurts, lodges, meeting rooms and more! For additional information on these facilities and how to make reservations, please visit our Rental Units section.

UPDATED: January 1, 2019

  • Reservations may be made four (4) months in advance
  • For first date arrival, online reservations may be booked as early as midnight (12:00 a.m.) MTN
  • There is no minimum booking window for campsite reservations which runs from May 1 through September 30.
  • There is a one (1) day minimum booking window on all rental unit facilities, May through September. There is a two (2) day minimum booking window for rental units, October through April.
  • Reservations for yurts at Guernsey and Sinks Canyon, the Tree House at Keyhole State Park and cabins at Keyhole and Boysen State Parks will be taken through the website and call center 365 days a year, 4 months in advance of booking. Glendo State Park yurts may be booked through the website or call center only for arrival dates of April 1 - October 31, 4 months in advance of booking. Please call Glendo State Park to book for dates outside of reservation season. 
  • Check out time is 11:00 a.m. and check in time is 3:00 p.m for regular campsites (see different times for Lodges and Day Use Shelters)
  • IMPORTANT!! A no-show will be determined if the visitor has not arrived by 11:00 a.m. the following day. The reservation will be cancelled by staff and the site will return to reservable status. Please call the park if you will be arriving late. 

UPDATED: January 1, 2019

  • Please call 877-996-7275 to cancel or modify an existing reservation or visit your Reserve America account. 

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  • A cancellation made 30 days or more before arrival will be due back a full refund minus $2.50 cancellation fee. NOTE: If the existing reservation was booked with Annual Permit discounts, the $2.50 cancellation or modification fee may be charged in addition if no refund is due back. A cancellation made 3-29 days before arrival will be charged 1 night stay ($2.50 cancellation fee included) and the balance is refunded. A cancellation made 2 days or less before arrival will be given no refund
  • If a customer has made a reservation for a specific period, arrives and then does not stay for the full length of their reservation, they will not receive a refund. (Example: If I make a reservation for three days and only stay for one night and then decide to leave, I will not a get a refund on the two nights I did not stay).
  • Refunds will not be given for reasons including but not limited to incorrect item, natural disasters, inclement weather, drought, or high or low water levels in area lakes or reservoirs. A $2.50 fee will be assessed for all cancellations and/or modifications unless a high penalty dependent on date of cancellation applies.






Buffalo Bill


Curt Gowdy








Medicine Lodge




Sinks Canyon