State Park

Seminoe State Park

Carbon County, WyomingAbout 20,848 acresEstablished 1965

Notice: Attention — details

Status
Open (per official listing)Open 24 hours
Entrance fee
Statewide rule — see below
Day-use reservations
None mentioned
Dogs
Not stated — check with park
Camping
Yes
Official site
wyoparks.wyo.gov(877) 996-7275

Official page last checked Oct 29, 2026. How we keep this current

Current alerts 1

Fire restriction AttentionHCB Advisories Effective 9/10/2026 Keep yourself, pets, and livestock out of green water, floating scums or clumps. If contact occurs: rinse with… (more)

HCB Advisories Effective 9/10/2026 Keep yourself, pets, and livestock out of green water, floating scums or clumps. If contact occurs: rinse with clean water immediately and contact a doctor or veterinarian if symptoms develop. Visit: Bit.ly/WyoHCB2026 for more information and to help report sightings - - - - - Open Boat Ramps North Red Hills - - - - - Stage 1 Fire Restrictions • Camping, boating, and fishing are still available. • Please use caution when in or around the water. • Additional information about HCB Advisories: 2020 Wyoming HCB Advisory Sign Size: 951.65 KB Format: PDF Preview

Posted by the park. Official alert

Overview

In Carbon County, about 30 miles northeast of Rawlins, Seminoe State Park covers about 20,848 acres.

Things to do include off-highway vehicle riding, horseback riding, historic sites, hunting in season, and boating. Facilities for water recreation include a swimming beach and a fishing pier. Overnight options include campsites, with tent sites.

Hours

Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.

FacilityDaysHoursSeason
ParkOpen 24 hours
Official wording

Park is open 24/7 - 365 days a year Campsite reservations required from May 15th through September 15th Fee kiosks at each entrance for day use and winter camping Reservations cannot be made on the electronic kiosks

Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).

Fees and passes

Parks: per vehicle per day ($7 resident / $12 non-resident).

Statewide fee rule from Wyoming's park system; this park’s page doesn’t list its own fees.

Wyoming park passes

  • Annual Day Use Pass (resident) — $48 first vehicle ($42 early-bird Dec 1–Feb 15); $24 additional vehicle. Day-use fees at Wyoming state parks and historic sites for the calendar year, one vehicle Details
  • Annual Day Use Pass (non-resident) — $96 first vehicle ($89 Dec 1–Feb 15); $48 additional vehicle. Day-use fees for the calendar year, one vehicle Details
  • Annual Camping Pass (residents only) — $89.60 first vehicle; $44.80 additional vehicle. Camping fees only (does not cover day use) Details
  • Wyoming Resident Veterans Lifetime Pass — Free (eligibility: Wyoming resident veteran, 50%+ service-connected disability). Free day use and camping for life Details

From the Wyoming state guide. Confirm which passes this park accepts.

Reservations

Day use
No day-use reservation requirement mentioned
Camping
Required
Booking system
reserve.wyoming.gov
Phone
877-996-7275

• Campsite reservations required from May 15th through September 15th

Check availability and book

We link to the official booking system rather than showing live availability, which changes minute to minute.

Things to do

BikingBoatingCampingFishingGeocachingHikingHistoric sites and toursHorseback ridingHuntingOff-highway vehiclesSwimmingWildlife viewing and birdingPicnicking

Amenities

Facilities

  • Restrooms
  • Picnic areas
  • Picnic shelters
  • Playground
  • Visitor center

Water

  • Swimming beach
  • Marina or boat slips
  • Fishing pier

Camping

  • RV dump station
  • Tent camping

Recreation

  • Horse trails

✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.

Accessibility

Accessible facilities listed: Fishing Pier ADA

Conditions change. Contact the park to confirm specific accessible features before your visit.

Getting there

Address
County Road 351
Sinclair, WY 82334
Nearest town
Rawlins — about 30 mi northeast (straight line)
Coordinates
42.1381, -106.8952
Phone
(877) 996-7275

Google Maps directionsApple MapsOfficial park map (PDF)

Directions from the park

Seminoe State Park, located on the northwest side of the reservoir, was established in 1965 through an agreement between the U.S.

Nearby state parks

Sources and freshness

“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology

Report a correction for this park