Montana State Hospital is located in Warm Springs, Montana, just off of I-90 between Butte and Missoula.
The Hospital is the only publicly operated psychiatric hospital in the state. It was founded by the territorial government in 1877. The hospital was once Montana's largest unincorporated community. Its peak census was reach in 1954 with 1964 patients.
Today the census averages just under 200 patients. The Hospital is licensed by the State of Montana and certified for participation in the federal Medicare and Medicaid programs.