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Recreation AreaRecreation.gov

Shirley Mountains

Shirley Basin, Wyoming · Carbon County

This area consists of roads that start in the sagebrush flats and climb among the pine, fir, and aspen. Choose a variety of road surfaces from maintained graveled to undeveloped two-tracks. Some private land is on the mountain so ask permission before riding off of public roads. Also, there may be active logging operat…

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About Shirley Mountains

This area consists of roads that start in the sagebrush flats and climb among the pine, fir, and aspen. Choose a variety of road surfaces from maintained graveled to undeveloped two-tracks. Some private land is on the mountain so ask permission before riding off of public roads. Also, there may be active logging operations on the mountain so be alert for equipment and logging trucks. A variety of rides can be found from a 31-mile loop ride based out of Prior Flat Campground (no water available) to shorter rides on the mountain. Trips can last one hour to all day. Wildlife viewing includes deer, elk and pronghorn.

How to Get There

From State Highway 487, 22 miles north of Medicine Bow, take the State Highway 77 turnoff. Proceed nine miles to Carbon County Road 102. Head west two miles to BLM Road 3115 or continue another seven miles to the western junction of BLM Road 3115 at Prior Flat Campground. BLM Road 3115 is a loop road through the Shirley Mountains.

Driving directions (Google Maps) →

Plan Your Visit to Shirley Mountains

Heading to Shirley Mountains? A few things to know before you go:

  • Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
  • Fees: day-use and camping fees vary; check current rates on the official park page
  • Trash & pack-out: follow Leave No Trace principles
  • Wildlife: store food in bear boxes where provided; never feed wildlife
  • Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

Frequently Asked Questions

Do I need a reservation for Shirley Mountains?

No central reservation system listed for Shirley Mountains. Check the official page (https://www.recreation.gov/recarea/14742) for the latest entry policy and availability.

How do I get to Shirley Mountains?

From State Highway 487, 22 miles north of Medicine Bow, take the State Highway 77 turnoff. Proceed nine miles to Carbon County Road 102. Head west two miles to BLM Road 3115 or continue another seven miles to the western junction of BLM Road 3115 at Prior Flat Campground. BLM Road 3115 is a loop road through the Shirley Mountains.

How do I contact Shirley Mountains?

You can reach the park at phone: 307-328-4200 or email: rawlins_wymail@blm.gov.