Boulder Hot Springs
Checked October 2026 · Sources
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Boulder Hot Springs is a $12 to $14 developed soak in Jefferson County, Montana, about 44 minutes' drive from Butte: 169 F water at the source (1980 survey), snow likely October, December, January, February, March, April, May.
- $12 to $14
- Developed
about 44 min
43.6 mi from Butte, no traffic
Drive times computed with GraphHopper; map data OpenStreetMap contributors.
The facts
- Water
- 169 F at the source, not the poolQuoted from the NOAA Thermal Springs List, checked Oct 11, 2026 (1980 survey), entry BOULDER HOT SPRINGS
- Fee
"Weekday Rate (Monday to Friday) $12 Adults ... Weekend (Saturday & Sunday) & Holiday Rate $14 Adults"
Quoted from the operator, checked Oct 12, 2026- Hours
"We are open every day from 10am ... 8pm for day use."
Quoted from the operator, checked Oct 14, 2026- Permit or reservation
- None posted by the operatorChecked on the operator, checked Oct 14, 2026
- Snow
- Likely October, December, January, February, March, April, MayComputed from NOAA snowfall, 2023 to 2026 seasons
- Run by
- The operator, boulderhotsprings.com
- Last checked
- October 2026
Water temperature
169 F at the source, from NOAA's Thermal Springs List (1980 survey). That is where the water leaves the ground; the pool you sit in is cooler.
Quoted from the NOAA Thermal Springs List, checked Oct 11, 2026 (1980 survey), entry BOULDER HOT SPRINGS
Fees, hours and rules
Do you have to pay to go to Boulder Hot Springs?
Yes.
"Weekday Rate (Monday to Friday) $12 Adults ... Weekend (Saturday & Sunday) & Holiday Rate $14 Adults"
Quoted from the operator, checked Oct 12, 2026
How much is a day pass at Boulder Hot Springs?
- Weekday (Monday to Friday), Adults
- $12
- Weekday (Monday to Friday), Seniors (60+)
- $10
- Weekday (Monday to Friday), Children (3-12)
- $7
- Weekend (Saturday & Sunday) & Holiday, Adults
- $14
- Weekend (Saturday & Sunday) & Holiday, Seniors (60+)
- $12
- Weekend (Saturday & Sunday) & Holiday, Children (3-12)
- $8
Price includes Day-Use of all pool and spa facilities. Showers are required before entering all facilities.
Quoted from the operator, checked Oct 14, 2026
When is Boulder Hot Springs open?
"We are open every day from 10am ... 8pm for day use."
Quoted from the operator, checked Oct 14, 2026
Do you need a permit or reservation for Boulder Hot Springs?
None is posted. not posted
Checked on the operator, checked Oct 14, 2026
Seasons and winter access
Snow likely October, December, January, February, March, April, May at the spring.
Computed from NOAA snowfall, 2023 to 2026 seasons
Before you go
- Day pass: Weekday (Monday to Friday), Adults $12; Weekday (Monday to Friday), Seniors (60+) $10; Weekday (Monday to Friday), Children (3-12) $7; Weekend (Saturday & Sunday) & Holiday, Adults $14; Weekend (Saturday & Sunday) & Holiday, Seniors (60+) $12; Weekend (Saturday & Sunday) & Holiday, Children (3-12) $8.
- No permit or reservation is posted.
- Hours: We are open every day from 10am ... 8pm for day use.
- Snow likely October, December, January, February, March, April, May.
Getting there
Drive times from each town's center, no traffic (computed).
Both open at Boulder Hot Springs.
Nearby hot springs (5)
Questions
Is Boulder Hot Springs free?
"Weekday Rate (Monday to Friday) $12 Adults ... Weekend (Saturday & Sunday) & Holiday Rate $14 Adults"Quoted from the operator, checked Oct 12, 2026
Is Boulder Hot Springs open, and what are the hours?
"We are open every day from 10am ... 8pm for day use."Quoted from the operator, checked Oct 14, 2026
Sources and last checked
Page last checked October 2026 (the oldest date below).
- ncei.noaa.gov/access/metadata/landing-page/bin/iso: water temperatureChecked Oct 11, 2026
- boulderhotsprings.com/services-3: fee, day pass pricesChecked Oct 12, 2026 and Oct 14, 2026
- boulderhotsprings.com: hoursChecked Oct 14, 2026
- Drive times from Butte, Bozeman, Big Sky: computed with GraphHopper 11.1, car profile, no trafficOpenStreetMap extract of Oct 12, 2026
- Snow months (Oct, Dec, Jan, Feb, Mar, Apr, May): computed from NOAA snowfall, 2023 to 2026 seasonsMethod page explains the rule
- Photo: Robstutz, Wikimedia Commons, CC BY-SA 3.0Checked by eye Oct 12, 2026