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Seminoe State Park

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About Our Site - Seminoe State Park


The Seminoe Mountains surrounding Seminoe State Park were once the site for gold prospecting during the late 1800s. The name “Seminoe” is commonly assumed to come from 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, located on the northwest side of the reservoir, was established in 1965 through an agreement between the U.S. Bureau of Reclamation and the Wyoming Recreation Commission (predecessor to Wyoming State Parks and Historic Sites).

Seminoe State Park to host Women Who Hike



Wyoming State Park's Shoshone District is excited to welcome Women Who Hike for a campout, weekend of community, and service project July 29-31 at Seminoe State Park.

Women are invited to register via eventbrite for two nights of camping, a canoe trip, and a hike at Seminoe State Park. We will partake in volunteer services by assessing the park for future trails and provide feedback to park staff of what user groups like women hikers would like to see. 

Tickets are $40 and can be purchased at https://www.eventbrite.com/e/wyoming-state-parks-campout-july-29th-tickets-383522876247?aff=ebdssbdestsearch.  


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Site Status

  • Seminoe is NOT under a bloom advisory at this time.
  • Camping, boating, and fishing are still available.  
  • Please use caution when in or around the water. 
  • Additional information about HCB Advisories:



  • Park is open 24/7 - 365 days a year
  • Campsite reservations required from May 1st through October 31st
  • Fee kiosks at each entrance for day use and winter camping
  • Reservations cannot be made on the electronic kiosks



Phone Number


For Camping Reservation call 1-877-996-7275

Park Headquarters 307-320-3013






 Seminoe State Park
 County Road 351
 Sinclair, WY 82334

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