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Guernsey State Park

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Guernsey State Park - General Information


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.


Guernsey Perseid Watch: This Year’s Best Meteor Shower August 10th - 12th


July 16, 2018
Contact: Todd Stevenson, 307-836-2334

Last year, Guernsey State Park proved to be one of the more popular places to view the
2017 Solar Eclipse, this year enjoy the Guernsey Perseid Watch, this year’s best meteor shower
of the year, Aug. 10-12 at Yurts 1 & 2.

The Perseids are created when earth passes through the dust and debris created by the
Comet Swift-Tuttle, the largest object to regularly pass by earth. The comet has a nucleus
approximately 16 miles wide. This year, according to NASA, people should be able to see
around 60-70 meteors per hour.

The weekend events begin August 10 with a 4 p.m. museum talk focusing on meteor
observing. A star watch party with telescopes will begin at approximately 8:45 p.m. with Venus,
Jupiter, Saturn and Mars in full view. The night’s star watch will provide an emphasis on
planets, deep sky objects and constellation identification. Participants can expect to return to
their campsites around 10:30-11 p.m.

Events on August 11 will be much the same as the night before with a 4 p.m. museum
talk (the same presentation) and a star watch beginning at 8:45, also emphasizing plants, deep
sky objects and constellation identification. However, an all-night viewing will be held. Visitors
are encouraged to bring cots, sleeping bags, flashlights and food if they plan to participate.
On August 12, a Perseid Meteor Watch will take place. Star Party participants will use
telescopes until approximately 10:30 p.m. The meteor watch begin around 11 p.m. Visitor are
encouraged to observe until dawn, but participants may leave when they wish. The number of
meteors seen increases significantly after midnight.

The night programs are led by Gary A. Becker and Peter K. Detterline, both professors of
Astronomy at Moravian College and Kutztown University, respectively. Both are members of
the Mars Desert Research Station.

Like with the solar eclipse, the lack of light population at Guernsey State Park makes it a
prime area to view the Perseids.

For more information, please call Guernsey State Park at 307-836-2334.

Wyoming State Parks, Historic Sites & Trails
A Division of Wyoming State Parks & Cultural Resources
2301 Central Avenue, 4th Floor, Cheyenne, WY 82002




Fees Schedule


  • Resident Daily Use Fee: $4
  • Non-resident Daily Use Fee: $6
  • Resident Camping Fee: $10
  • Non-resident Camping Fee: $17
  • (Camping Fees include the daily use fee)
  • Electricity Fee (for those sites with electrical amenities): $5/day
  • Yurt Rental: $40/day + appropriate daily and camping fees + $50 refundable damage deposit

Important Rules and Regulations


  • Obey signs, traffic barriers and speed limits.
  • Motorized vehicles shall be operated only on the designated roadways of the park. A valid driver’s license is required.
  • Use of firearms and fireworks is prohibited.
  • Camping in designated campsites only. Camping is restricted to one camping unit (tent, travel trailer, or motor vehicle designated for camping) plus two licensed vehicles (car or boat, ORV/jet ski trailer) plus a maximum of 10 people.
  • Camping is permitted for a maximum of 14 days in a 30 day period. valis permits are required.
  • Quiet hours shall be maintained in all camping areas from 10 p.m. to 6 a.m.
  • All pets must be kept on a leash. Pets prohibited on designated beaches.
  • Glass containers must be used in vehicles or camping structures.
  • Fire are permitted only in provided fireplaces, grills and metal fire rings and must be extinguished before leaving.
  • Fishing and Boating are permitted subject to regulations of the Wyoming Game and Fish Commission.
  • No fishing within 20 yards of any boat ramp/dock or designated beach area.
  • Park dumpsters and trash receptacles are for park refuse only- litter and trash must be disposed of in provided containers.
  • A complete list of SPHS&T rules and regulations are available at park headquarters and entry station booths.



Site Status


We are open! Please view our hours below to find a good time to visit!




  • Guernsey State Park is open all year. Since we do have overnight camping the park is open 24 hours per day with the appropriate permits.
  • The Guernsey Museum is a seasonal facility that is open from May 1 through September 30. Visitors may visit the Museum between the hours of 9:00 a.m. - 5:00 p.m..





 Guernsey State Park
 2187 Lakeside Shore Dr
 Guernsey, WY 82214

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