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Sweetwater County Historical Museum

Discover the rich cultural heritage of southwestern Wyoming at the Sweetwater County Historical Museum. Established in 1967 to preserve the history of Sweetwater County, the museum galleries feature both permanent and temporary exhibitions from Native Americans to early settlers to mining to outlaw history. The Museum is housed in the old Green River Post Office building.

The first federal building in the city, the Post Office was built in 1931 under the Elliot Act, a pre-New Deal economic recovery plan. As was common at the time, the building is of Neo-classical design and is one of three buildings in Green River on the National Register of Historic Places. The museum also maintains exhibits at several off-site locations in Sweetwater County, including the airport, hospital, and other public facilities.

3 East Flaming Gorge Way
Green River, WY 82935
307-872-6435 (Main)
307-352-6715 (Gen Info)
307-872-3234 (Fax)

10am to 6pm Monday thru Saturday


Customizable Directions


The Sweetwater County Historical Museum is located at 3 East Flaming Gorge Way in downtown Green River.  Just minutes off I-80, travelers may exit the interstate at Exit 89 from the west, or Exit 91 from the east, and follow the signs to the museum.  Visitors may also approach Green River from the south via State Route 530 along the west side of Flaming Gorge.  The state highway turns into Uinta Drive upon entry to the city and ends at Flaming Gorge Way.  Turn right (west) into Flaming Gorge Way to go to the museum.

Click here to view a PDF Map of the Sweetwater County Museum in relation to other local areas of interest.


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