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Wyoming > Wyoming State Parks and Historic Sites > Seminoe State Park
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Seminoe State Park

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General Information

Description - Seminoe State Park, located 34 miles north of Sinclair, on the northwest side of the reservoir, features camping, fishing and boating. The Seminoe Mountains around Seminoe State Park were once the site for gold prospecting during the late 1800s. The name "Seminoe" is commonly mistaken for the Seminole tribe, but is an Americanized spelling of the French name Cimineau. Basil Cimineau Lajeunesse was a French trapper in the area in the 1800s. Seminoe State Park, was established in 1965 through an agreement between the U.S. Bureau of Reclamation and the Wyoming Recreation Commission (the predecessor to Wyoming State Parks & Historic Sites).

Attractions - Seminoe State Park has the largest reservoir (20,291 acres) in Wyoming's State Park system, offering 180 miles of shoreline. Only 12 miles north of the park is Wyoming's "Miracle Mile," a prime fishing stretch of the North Platte River.

Recreation - Seminoe State Park, features the largest man made resevoir in Wyoming and boasts good fishing for trout and walleye within its 20,291 acres of water. Wildlife and waterfowl are also abundant in the area. Groceries, bait, fuel for boats, fishing licenses, ice and a few service hookups are available at the Seminoe Boat Club (307-320-3043) located 10 miles S.E. of the park and at the Miracle Mile Ranch (307-325-6710) located approximately 18 miles N.W. of the park near the famous Miracle Mile fishing area.

Climate - Camping elevation is approximately 6,400 to 6,500 feet. Cool nights make for good sleeping in
the hot summer months. There are few shade trees within the park but some sites
have shelters for picnicking. Travel in the winter is not recommended in the winter without four-wheel drive and/or tire chains.

Location - Seminoe State Park is located 34 miles north of Sinclair, WY (I-80) via county road #351. The State Park is located on the west side of the reservoir, at the northern end near the dam. It is approximately 75 miles S.W. of Casper.

Getting There: Take state highway 20 to Alcova. From Alcova, take Natrona Rd #407 to the Natrona County/Carbon County line, then Carbon County Rd. #291 south to Leo Junction. At Leo Junction travel south on Carbon County road #351 past "Miracle Mile", Kortes and Seminoe Dams. This route is commonly called the "Sinclair to Alcova" backcountry by-way. Travel in the winter months in not recommended without four wheel drive and/or tire chains. Vehicle access is limited due to the checkerboard land pattern of public and privately owned land between the shoreline and the county roads.

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More Information

Contact Information:
Seminoe State Park, Seminoe Dam Route , Sinclair, WY, 82334, Phone: 307-320-3013

Additional Information:
Carbon County -
Wyoming State Parks -

Wyoming State Parks - Official Agency Website


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