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Boysen State Park
 

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About Our Site - Boysen State Park

 

The first white men through the Wind River Canyon were the Ashley Fur Party in 1825. The original dam was built by Asmus Boysen in 1908, for whom the park and reservoir are named. Part of the original dam can still be seen adjacent to the tunnels on the Lower Wind River Campground. Mr. Boysen also built a 710kW power plant at the site. Operations ceased when in 1923 a major flood filled the plant with silt.

The CB&O Railroad went through the canyon in 1911 and the state highway went through in 1925. The existing dam was completed in 1951. Boysen became a state park in 1956.

Original-Boysen-Dam-SiteLower-Wind-River-CampgroundOriginal Asmus Boysen Dam Site Located just north of the Lower Wind River Campground. This site also represents the park's northern boundary.

 

Boysen State Park Informational Meeting scheduled for September 7

September 1, 2021

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Wyoming State Parks will host a public informational meeting on Tuesday, September 7, from 6 -7 p.m. at the Shoshoni Recreation Hall, located at 97 Maple St. in Shoshoni.

Park staff will provide maps and information, and receive public comments relating to the addition of temporary campsites and amenities at several different locations throughout the park.

For more information about the public informational meeting, please contact Wyoming State Parks District Manager Brooks Jordan at 307-431-9921.

 

 

More Information - Boysen State Park

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Facts and Figures
  • Current Dam
  • Structural height: 216 feet
  • Crest Length: 1,100 feet
  • Type: rolled earth, rock-fill
  • Volume of material: 1,700,000 cubic yards
  • Spillway capacity: 20,000 cubic feet/seconds
  • Power plant: 15,000 kw

Reservoir and park

  • Water: 19,560 acres
  • Shoreline: 76 miles
  • Length: 20 miles
  • Widest point: 5.5 miles
  • Land: 15,145

Believe it or not…

Yes! Contrary to what your eyes tell you, the Wind River flows NORTH!

 
 

 

 
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Site Status

 

COVID-19 Coronavirus
Important Information:

Camping in Wyoming State Parks now open to ALL visitors. Social distancing guidelines in place. 

 

  • Some of our reservoir parks are currently under harmful cyanobacterial bloom (HCB) advisories. 
  • Camping, boating, and fishing are still available.  
  • Please use caution when in or around the water. 
  • Additional information:

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Hours

 

Grounds open all year - 24 hours.

Season

Park grounds are open year-round, weather permitting.

 

Map

Phone Number

 

307-876-2796

 

Map

 Location

 

 Boysen State Park
 120 Boysen Drive
 Shoshoni, WY 82649

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