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Tri-Territory Site

Superior, Wyoming · Sweetwater County · Facility

Constructed in the 1950s with the help of the Kiwanis Club, the Tri-territory Site is the location where the Mexican Territory, the Louisiana Purchase and the Oregon Territory intersected. This site includes flag poles for the flags of the countries represented by the three territories, and a central flagpole for the U…

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42.00000, -108.92000
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About Tri-Territory Site

Constructed in the 1950s with the help of the Kiwanis Club, the Tri-territory Site is the location where the Mexican Territory, the Louisiana Purchase and the Oregon Territory intersected. This site includes flag poles for the flags of the countries represented by the three territories, and a central flagpole for the U.S. Flag. This is a fee-free site. It is NOT wheelchair accessible at this time.

How to Get There

Take State Highway 191 north 10 miles from Rock Springs. Go East on County Road 4-17 twenty-nine miles. Head North on County 4-83 three and a half miles; North on BLM 4102 three and a half miles to the site.

Driving directions (Google Maps) →

Plan Your Visit to Tri-Territory Site

Heading to Tri-Territory Site? 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 Tri-Territory Site?

No central reservation system listed for Tri-Territory Site. Check the official page (https://www.recreation.gov/camping/campgrounds/262680) for the latest entry policy and availability.

How do I get to Tri-Territory Site?

Take State Highway 191 north 10 miles from Rock Springs. Go East on County Road 4-17 twenty-nine miles. Head North on County 4-83 three and a half miles; North on BLM 4102 three and a half miles to the site.

How do I contact Tri-Territory Site?

You can reach the park at phone: 307-352-0256 or email: blm_wy_rock_springs_wymail@blm.gov.