Boulder Hot Springs
Also known as Boulder Hot Springs Inn & Spa
96–106°F
Pool temperatures
Drive-up
Easy access
Paid
Fees apply
Boulder Hot Springs is a historic inn and spa with an outdoor pool at about 96-100F and indoor plunges at about 103-106F, plus natural steam rooms. Non-guests can buy a day soak for a modest fee. Pool access, showers and dressing rooms are included in the price.
01 · Before you go
Plan your visit
What to expect on the ground: rules, facilities and when to go.
- Changing rooms & showersAlso lodging
- PoolsOutdoor pool plus indoor plunges (separate women's and co-ed areas) and steam rooms
- Moderate
- HoursDay use daily 10am to 8pm.
- Good for kids
- Wheelchair accessible
- Open in winterDay use daily 10am to 8pm. Winter guide
- FeesDay use per the operator's page (undated, confirm before visiting): weekdays $12 adult, $10 senior 60+, $7 child 3-12; weekends and holidays $14, $12, $8. A 10-pass is sold at the price of 9. Includes all pools and steam rooms.
02 · Live
Conditions
Access status, weather and hazards. Closure feeds are checked automatically every morning.
Access
No closures reported
No closure, fire or weather warning found in Forest Service, wildfire (NIFC) or National Weather Service feeds. That isn't confirmation it's open, so check with the resort.
Checked 22 Oct · updated daily
No 2025-2026 closure found. Exterior stucco renovation planned with a state preservation grant, with the facility apparently operating (checked 2026-10-18).
Indoor plunges run 103-106F, so limit time and watch children. No lifeguard on duty, and children under 12 need adult supervision. A shower is required before entering. Pools use bromine. No official amoeba or bacteria advisory was found.
Get closure news by email
New closures, reopenings and new states, about once a month. No spam.
03 · Route
Getting there
Nearest town: Boulder.
- 1
The inn is at 31 Hot Springs Road in Boulder, Montana, south of Helena in Jefferson County.
- 2
Follow signs to Hot Springs Road from town.
46.1980, −112.0940 · nearest town Boulder, MT
04 · Where to stay
Stay nearby
Make a night of it. Places to stay near Boulder, from campgrounds to cabins.
If you book through these links we may earn a small commission, at no extra cost to you. It never affects what we list or how.
Checked against 4 sources, with closures, wildfires and weather warnings re-checked daily.Show sourcesShare your photosSuggest an update
- boulderhotsprings.com (fees, hours, pools, rules)
- southwestmt.com (listing, hours, prices)
- helenamt.com (location, business info)
- ktvh.com (renovation, status)
