Guernsey State Park

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Guernsey State Park
Wyoming State Park
Guernsey Lake Park.JPG
Country  United States
State  Wyoming
County Platte
Location Guernsey
 - elevation 4,406 ft (1,343 m) [1]
 - coordinates 42°18′14″N 104°46′10″W / 42.30389°N 104.76946°W / 42.30389; -104.76946Coordinates: 42°18′14″N 104°46′10″W / 42.30389°N 104.76946°W / 42.30389; -104.76946
Area 8,602 acres (3,481 ha)
 - Land 6,227 acres (2,520 ha) [2]
 - Water 2,375 acres (961 ha) [2]
Developed 1934-1939
 - State management 1957 [3]
Management Wyoming Division of State Parks and Historic Sites
Location in Wyoming
Website: Guernsey State Park
Lake Guernsey State Park
Guernsey State Park Museum, Highway 317, Guernsey (Platte County, Wyoming).jpg
Guernsey State Park Museum
Guernsey State Park is located in Wyoming
Guernsey State Park
Guernsey State Park is located in the US
Guernsey State Park
Location Platte County, Wyoming
Nearest city Guernsey, Wyoming
Area 3,760 acres (original)
8,602 acres (increase)[3]
Built 1934-39
Architect Civilian Conservation Corps; Roland Pray (original)
S. R. Deboer; Richard G. Redell; et al. (expanded)
Architectural style National Park Service Rustic, Bungalow/Craftsman, Other
NRHP Reference # 80004051 (original)
97001260 (increase)[3]
Significant dates
Added to NRHP August 26, 1980 (original)
September 25, 1997 (increase)
Designated NHLD September 25, 1997[4]

Guernsey State Park is a public recreation area surrounding the Guernsey Reservoir, an impoundment of the North Platte River, near the town of Guernsey in Platte County, Wyoming.[5] Facilities are managed for the United States Bureau of Reclamation by the Wyoming Division of State Parks and Historic Sites.[6] The state park features multiple campgrounds, boat ramps, and hiking trails as well as exceptional examples of structures created by the Civilian Conservation Corps in the 1930s.[2]

As a historic district, Lake Guernsey State Park (also known as Guernsey State Park Historic District, Lake Guernsey Park, Guernsey Lake Park, or Guernsey State Park) was declared a National Historic Landmark in 1997 for its Civilian Conservation Corps buildings and structures.[4] It contains 60 contributing resources: 14 buildings, 3 sites, and 43 structures, as well as 46 non-contributing resources.[3][7]


The park had its beginnings with construction of the Guernsey Dam, which was completed in 1927.[8] Beginning in 1934, workers with the Civilian Conservation Corps created recreational facilities on the land surrounding the dam's reservoir. Their labors came to an end in 1939.[3]


The Guernsey State Park Museum offer information about the CCC and the natural and cultural history of the area.[9][10] The park contains a separate National Historic Landmark, the Oregon Trail Ruts. Register Cliff, another feature of the Oregon Trail listed on the National Register of Historic Places, is located two miles southeast of the park.[5]

Activities and amenities[edit]

The park has seven campgrounds and three boat ramps. Fish species include walleye, yellow perch, and channel catfish. Fish populations are affected by the reservoir's twice-yearly draw-downs.[6]


  1. ^ "Guernsey State Park". Wyoming Places. Wyoming State Library. Retrieved December 1, 2015. 
  2. ^ a b c "Guernsey State Park Brochure" (PDF). Wyoming Department of State Parks and Cultural Resources. Retrieved December 1, 2015. 
  3. ^ a b c d e Begley, Susan; Carr, Ethan (January 6, 1997). "National Historic Landmark Nomination: Lake Guernsey State Park" (PDF). National Park Service. Retrieved December 1, 2015. 
  4. ^ a b "Listing of National Historic Landmarks by State: Wyoming" (PDF). National Park Service. Retrieved December 1, 2015. 
  5. ^ a b "Guernsey State Park". Wyoming State Parks, Historic Sites & Trails. State of Wyoming. Retrieved December 1, 2015. 
  6. ^ a b "Guernsey Reservoir Facilities". Bureau of Reclamation. Retrieved June 24, 2016. 
  7. ^ "Lake Guernsey State Park: Accompanying 20 images (photos and plans), from 1977, 1994, and c. 1935" (PDF). NRHP database. National Park Service. Retrieved December 1, 2015. 
  8. ^ "Guernsey Dam". National Park Service. Retrieved June 24, 2016. 
  9. ^ "Guernsey State Park". Retrieved December 1, 2015. 
  10. ^ "Guernsey Museum Digitization Project". Wyoming State Parks & Historic Sites. Retrieved December 1, 2015. 

External links[edit]