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Recreation AreaRecreation.gov

Big Sandy Reservoir

Farson, Wyoming · Sweetwater County

Big Sandy Dam and Reservoir, Eden Project, are on Big Sandy Creek about 15 miles north of Farson, Wyoming. Recreation at Big Sandy Reservoir is directly managed by the Bureau of Reclamation. Information about the area can be obtained by contacting the office listed below. The site has primitive facilities and no on-sit…

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About Big Sandy Reservoir

Big Sandy Dam and Reservoir, Eden Project, are on Big Sandy Creek about 15 miles north of Farson, Wyoming. Recreation at Big Sandy Reservoir is directly managed by the Bureau of Reclamation. Information about the area can be obtained by contacting the office listed below. The site has primitive facilities and no on-site manager or law enforcement. Use at your own risk. There is no charge for boat launching, primitive camping, picnicking or other activities. The reservoir has a water surface area of approximately 2,500 acres, and is situated in an open setting north of Farson, Wyoming. The elevation is about 6,760 feet. Use is low and seasonal. Available fish species include brown trout, cutthroat trout, catfish and ling. Big Sandy Reservoir U.S.

How to Get There

From Rock Springs, Wyoming, travel 36 miles on U.S. 191 to Farson, Wyoming. Continue north for another 9 1/2 miles until reaching a county road heading eastward. Proceed along this road 3 miles to the dam. The county road is not maintained and may require 4-wheel drive vehicles in periods of heavy rain or snow.From Lander, Wyoming, travel southwest on State Highway 28 for approximately 77 miles to Farson. Proceed from Farson as described above.

Driving directions (Google Maps) →

Plan Your Visit to Big Sandy Reservoir

Heading to Big Sandy Reservoir? 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 Big Sandy Reservoir?

No central reservation system listed for Big Sandy Reservoir. Check the official page (https://www.recreation.gov/recarea/1229) for the latest entry policy and availability.

How do I get to Big Sandy Reservoir?

From Rock Springs, Wyoming, travel 36 miles on U.S. 191 to Farson, Wyoming. Continue north for another 9 1/2 miles until reaching a county road heading eastward. Proceed along this road 3 miles to the dam. The county road is not maintained and may require 4-wheel drive vehicles in periods of heavy rain or snow.From Lander, Wyoming, travel southwest on State Highway 28 for approximately 77 miles to…

How do I contact Big Sandy Reservoir?

You can reach the park at phone: 801-379-1000.