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Aquatic Invasive Species (AIS)
National Association Of State Park Directors
Wyoming State Parks
Historic Sites & Trails
Barrett Building, 4th floor
2301 Central Avenue
Cheyenne, WY 82002
(307) 777-6323

Guernsey State Park


Park News

Saturday, July 30, 2016
Guernsey silt run to begin July 28
Tuesday, June 07, 2016
"Paddle in the Park" Event at Guernsey State Park
Wednesday, September 30, 2015
Guernsey State Park's Lake Shore Drive construction begins
Thursday, July 09, 2015
Guernsey Silt Run delayed
Wednesday, June 17, 2015
Guernsey's Anything That Floats race Saturday

Camping at Guernsey State Park

Reservable: 120 *
Non-reservable: 96 *
Tent: 24 *
Total: 240 *
Hookups (electrical/water): 16 *
* Does not indicate availability

Campground Maps
Cottonwood Cove Fish Canyon Cove
Gurnsey Yurts Campground Long Canyon
Overview Sandy Beach
Sandy Cove Sandy Point


Beach Bird Watching
Boat Dock/Ramp Boating
Campsites* Coin-op Showers
Drinking Water Dump Station
Fishing Group Picnic Shelter
Hiking Hookups (Elec/Water)
Museum Picnic Area
Playground Restrooms
Swimming Trails
Visitor Center Volksmarch

* Please call the individual site for questions regarding RV length limits.


Daily Use
• parks - $4.00
• historic sites - $2.00
• annual - $33.00
Overnight Camping
• night - $10.00 (includes daily use fee)
• annual - $40.00 (does not include daily use fee)
Daily Use
• parks - $6.00
• historic site - $4.00
• annual - $53.00
Overnight Camping
• night - $17.00 (includes daily use fee)
• annual - Not available

Ranger Recreational Use Report

Updated: June 25h, 2016

The Fourth of July weekend is rapidly approaching and Guernsey State Park looks to be very busy. With so many people in the park, there is always the chance of conflict. Our visitors are being asked to be especially courteous to other campers and park staff.

The rangers are going to be extra vigilant for those who would attempt to save campsites for their friends or family. Please remember that each and every campsite must be occupied on a nightly basis. If you are coming as a large group, it is best to come early in the week, and have everyone arrive at the same time to ensure you can all have a nice, roomy spot.

All camping must be contained within a designated campsite, and you will be allowed one camping unit per campsite, with the addition of one tent for grandparents or minor children. If you have more than one camping unit, all you need do is secure another campsite for each additional camping unit.

Fees onto the park are charged for every vehicle that enters or remains on the park. Any vehicle on the park after 10 PM is considered to be camping and must pay a camping fee.

Quiet shall be maintained from 10 PM to 6 AM, with the turning off of all generators or any other noise producing device. If you set an alarm on your cell phone for 10 PM, this is an excellent way to remind yourself that quiet hours are beginning.

Pets must be on a leash at all times. Pets are not allowed on the beach in any portion of Sandy Beach, Cottonwood Cove, Sandy Point, or Sandy Cove.

Glass beverage containers are not allowed outside of your tents, vehicles, or camping units. You may pour the contents of the bottles into cups, but please leave the glass inside so as to prevent broken glass being littered about the campsites or beaches.

The possession or discharge of fireworks are strictly prohibited on State Park property. Due to dry conditions, the rangers will not be forgiving for those caught breaking this rule. The town of Guernsey will be having a fireworks display on the evening of the 4th. Please enjoy the show the town puts on as they go to quite a bit of effort to make it a success.

Please follow all of the other park rules as well as those outlined above. Copies of the rules are available at each fee booth, and from any park ranger.

Phil Martindale
Park Ranger

Announcement - Guernsey Reservoir Silt Run, Updated

Based on information from the Bureau of Reclamation, a silt run will take place beginning July 27, 2016 and ending around August 18, 2016. This will result in draining of the reservoir to levels that will not accommodate water activities including but not limited to boating, jet skiing, and swimming. This date is subject to change per Bureau of Reclamation water operations. Guernsey State Park will remain open for visitors to enjoy the other non-water based recreation opportunities during this event. Please revisit our website for up to date information.

Brief history of Guernsey Reservoir

Click here to see a brief history of Guernsey and historic photo albums.

History of Guernsey Dam

The Bureau of Reclamation has constructed a number of dams on the North Platte River, including the historic Guernsey Dam, completed in July 1927. Click here to learn more.

About Guernsey State Park

Guernsey State Park provides seven campgrounds. Five are around the lake. All campgrounds include comfort stations, picnic tables, fire grills and drinking water. We also have a trailer dump station located at the south entrance to Guernsey State Park. This park provides the finest examples of Civilian Conservation Corps (CCC) work in the Rocky Mountain area. Built by the CCC, the Guernsey Museum, the Castle and Brimmer Point are available to explore. The museum is perched on a high cliff, overlooking the water. The building itself is made of hand hewn timbers and hand forged iron. The roof is framed with the timbers and covered with split cedar shakes, and the floors were formed by pieces of smooth flagstone. The Castle, with its giant fireplace and winding steps, leads to an observation area for a spectacular view of the park.

An extensive network of trails was originally planned and partially built during the operation of the CCC camps. Ever since that time hiking and trail use has been a major feature at Guernsey State Park. Approximately ten miles of CCC trails have been restored on the park. Starting point for the trail system is at the Brimmer Point turnoff. The trail system consists of several loops which provide a variety of scenic views of the park, reservoir and the dam. Most of the trails are moderately physically demanding.

The Oregon Trail was one of the primary routes used by the immigrants' westward migration across the plains from 1841 to 1869. Today, in many parts of Wyoming, remnants of The Oregon Trail can still be seen. Some of the best examples are the "ruts"; located just 1/2 mile south of the town of Guernsey, off Highway 26.

Register Cliff located two miles southeast of Guernsey provided travelers with a "chalkboard" where they placed their names for those who followed. The landmark still remains much the way it looked to pioneers on wagon trains journeying West.