Sweetwater County Historical Museum

About this museum

Sweetwater County Historical Museum welcomes visitors to Green River with open doors and FREE ADMISSION, offering an experience that consistently surprises guests with its depth and quality. Housed in a former U.S. Post Office built in 1931 in Classical Revival style, the museum preserves the rich history of Sweetwater County, Wyoming.For anyone interested in understanding the story of Green River and the surrounding community, Sweetwater County Historical Museum offers an illuminating journey through local history. The collection traces the area's development from prehistoric times through the era of Western expansion, mining, and railroad building to the present day. The building itself, designed by James Wetmore and Thomas Hyrum under the Elliot Act, is a significant architectural landmark listed on the National Register of Historic Places.With a 4.5 - star rating from 21 visitor reviews, this museum has earned consistent praise for its educational value and beautiful historic setting.Sweetwater County Historical Museum is located in Green River. The museum is open several days a week (Friday: 9AM - 5PM, Saturday: 9AM - 5PM, Thursday: 9AM - 5PM). Visit the official website for current details. Free admission is confirmed. For anyone seeking free things to do in Green River, Sweetwater County Historical Museum belongs at the top of the list.