
Seminoe
United States, Wyoming
Seminoe
About Seminoe
Seminoe State Park encompasses approximately 14,000 acres surrounding Seminoe Reservoir in south-central Wyoming's Carbon County. Created with the completion of Seminoe Dam on the North Platte River in 1939, the park offers exceptional fishing, boating, and remote camping in a scenic high-desert landscape. Located about 35 miles north of Rawlins via paved and gravel roads, Seminoe provides a more secluded experience than many Wyoming parks.
Wildlife Ecosystems
The reservoir supports an excellent fishery including rainbow trout, brown trout, walleye, and kokanee salmon, drawing anglers throughout the open-water season. Mule deer and pronghorn antelope frequent surrounding areas. The remote location provides habitat for various raptors including golden eagles. Waterfowl use the reservoir during migration, while sage grouse occur in surrounding sagebrush habitats.
Flora Ecosystems
High-desert vegetation dominates the landscape, with big sagebrush, greasewood, and native bunchgrasses covering surrounding hills. Limited riparian vegetation occurs along the North Platte River and reservoir margins. Cottonwoods provide shade at some developed areas. The sparse vegetation reflects the semi-arid climate and creates dramatic views of the reservoir and Seminoe Mountains.
Geology
Seminoe Reservoir fills a portion of the North Platte River canyon where it cuts through the Seminoe Mountains. Exposed rocks include Precambrian granite and metamorphic formations along with Paleozoic sedimentary layers. The dam site utilized the narrow canyon and resistant bedrock. The surrounding terrain displays colorful sedimentary rocks and rugged mountain scenery.
Climate And Weather
The park experiences a semi-arid continental climate with short, warm summers and cold winters. Elevation of approximately 6,300 feet at the reservoir moderates summer temperatures but intensifies winter cold. Summer temperatures typically reach 75-85 degrees Fahrenheit, while winter temperatures frequently drop below zero. Annual precipitation averages about 10 inches. Strong winds can affect reservoir conditions.
Human History
The North Platte River corridor served as a route for Native American peoples and later fur trappers and emigrants. The Overland Trail passed south of the present park in the 1860s. Ranching became the dominant land use following Euro-American settlement. The Bureau of Reclamation constructed Seminoe Dam between 1936 and 1939, creating Wyoming's largest reservoir at the time.
Park History
Seminoe State Park was established to provide recreational facilities on the reservoir following dam completion. The park's remote location limited initial development, but facilities have expanded over decades. The park remains less crowded than more accessible Wyoming parks, attracting visitors seeking solitude and quality fishing. Management balances recreation with the semi-wild character.
Major Trails And Attractions
Fishing draws most visitors, with the reservoir's trout and walleye populations providing excellent angling. Boating, waterskiing, and swimming are popular during the warm season. The remote setting offers scenic beauty and solitude. Winter ice fishing attracts dedicated anglers. The nearby Miracle Mile section of the North Platte River below the dam is renowned for trophy trout fishing.
Visitor Facilities And Travel
Multiple campgrounds provide sites ranging from primitive to electric hookups. Boat ramps offer reservoir access. The park is located about 35 miles north of Rawlins via Carbon County Road 351, which includes gravel sections. The remote access limits visitation but preserves the uncrowded experience. Year-round access is possible but challenging in winter. Services are limited; visitors should arrive prepared.
Conservation And Sustainability
Fishery management cooperates with Wyoming Game and Fish Department to maintain quality trout and walleye populations through stocking and regulations. The Miracle Mile below the dam receives special management as a blue-ribbon trout fishery. Invasive species monitoring protects reservoir ecosystems. The park's remote character is valued as an increasingly rare quality in recreational settings.



Frequently Asked Questions
Where is Seminoe located?
Seminoe is located in Wyoming, United States at coordinates 42.1558, -106.9084.
How do I get to Seminoe?
To get to Seminoe, the nearest city is Sinclair (32 mi), and the nearest major city is Rawlins (35 mi).
How large is Seminoe?
Seminoe covers approximately 6.63 square kilometers (3 square miles).
When was Seminoe established?
Seminoe was established in 1965-01-01.










