Quick Facts
- Population: 1,201 (2020 Census)
- County: Jefferson County (County Seat)
- Founded: Early 1860s (as Boulder Valley); renamed Boulder in 1897
- Elevation: 4,990 ft
- Known For: Hot springs, radon health mines, historic buildings, outdoor recreation
- Nearby Landmarks: Boulder Batholith, Boulder River, Elkhorn Mountains, Continental Divide
- Fun Fact: Boulder was once a candidate to become Montana's state capital in 1892, finishing last with 295 votes.
Notable People & Pop Culture
- Patrick Duffy – Actor, born and raised in Boulder
- James E. Riley – Prospector, built first structure at Boulder Hot Springs
- Montana Developmental Center – Featured in documentaries about rural healthcare
Top Things to Do in Boulder
- ✧ Boulder Hot Springs Inn & Spa – Historic hotel and natural mineral springs
- ✧ Radon Health Mines – Unique alternative therapy sites
- ✧ Boulder River Recreation – Trout fishing, floating, hiking
- ✧ Veteran's Memorial Park – Picnicking, RV parking, community events
Local Industry & Economy
Boulder's economy centers on healthcare, social services, government, and tourism. Major employers include the Montana Developmental Center, Youth Dynamics, and Riverside Corrections. Radon health mines and agriculture also contribute to the local economy.
History & Heritage
Founded as Boulder Valley in the 1860s, Boulder grew as a stagecoach stop and mining hub. The arrival of the railroad in 1888 and the establishment of state schools for the deaf, blind, and disabled shaped its history. The Boulder Batholith and historic buildings remain key heritage sites.
Seasonal Activities & Local Events
- Spring/Summer: Farmer's Market, 4th of July Parade, fishing, hiking, ghost towns
- Fall/Winter: Cross-country skiing, snowshoeing, hunting, winter hot springs
- Annual Events: Community Garage Sale, Classic Car Show, Music & Art Festival, Holiday Bazaar
Getting There & Nearby Destinations
Boulder is at I-15 and MT-69, 28 miles from Helena and 34 from Butte. Helena Regional and Bert Mooney airports are nearby. Visit Basin, Jefferson City, ghost towns, and the Beaverhead-Deerlodge National Forest.
Where to Stay in Boulder
- Boulder Hot Springs Inn & Spa: Historic hotel with mineral hot springs
- Mine Motel, O-Z Motel: Budget-friendly lodging
- RV Parking: Veteran's Memorial Park on Main Street