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About - Wyoming Territorial Prison 


The Outlaw Trail ended here! No need to commit a crime to Do Time at the Territorial Prison. Listed on the National Register of Historic Places, explore this 1872 imposing stone structure that held “evil doers of all classes and kinds.” Built first as a Federal Prison (1872-1890), it later became Wyoming’s State Penitentiary (1890-1903). During the 30 years it was in operation, 1,063 malicious convicts (men and women) walked through the front iron doors and occupied the cells. Now a museum, visitors can walk the halls where convicts were locked up, worked and lived.





Outlaws, violent and desperate men (as well as women) plagued the Wyoming Territory. As settlers moved into the area they demanded law and order. The clash between Outlaws and Lawmen resulted in the building of the Territorial Prison. The Auburn Prison System was adopted to manage the prison population. Under this system convicts were sentenced to hard labor, required to be silent at all times, wear black and white striped uniforms, and their identities removed by replacing their names with numbers.


Site Status


COVID-19 Coronavirus
Important Information:

In an effort to slow the spread of COVID-19, all Wyoming State Park: overnight camping facilities, cabins, yurts, group sites/shelters, showerhouses, some non-essential restrooms, and playgrounds are closed until further notice.

All parks currently remain open for day-use outdoor recreation activities including: trailheads, hiking/biking trails, boat ramps, fishing access, essential restrooms, individual picnic areas/tables. Normal park fees apply; visitors are urged to use fee canisters. 

State Historic Sites are closed to the general public until further notice. 

While we encourage citizens to enjoy the great outdoors while maintaining social distances, please know the Governor has also urged citizens to stay home whenever possible. This is an ever-changing situation. 






 Wyoming Territorial Prison State Historic Site
 975 Snowy Range Rd
 Laramie, WY 82070

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