Roystone Hot Springs
Checked October 2026 · Sources
Roystone Hot Springs is a developed soak in Gem County, Idaho, about 52 minutes' drive from Boise: 151 F water at the source (1980 survey), snow likely January to February.
- Developed
- No pets
about 52 min
37.3 mi from Boise, no traffic
Drive times computed with GraphHopper; map data OpenStreetMap contributors.
The facts
- Water
- 151 F at the source, not the poolQuoted from the NOAA Thermal Springs List, checked Oct 11, 2026 (1980 survey), entry ROYSTONE HOT SPRINGS
- Fee
- Not posted by the operator
"Reservation Only: We operate completely by reservation only."
Checked on the operator, checked Oct 12, 2026 - Hours
"The grounds, splash pad, and sports equipment are available every day, but the pools are closed on Sunday."
Quoted from the operator, checked Oct 14, 2026- Permit or reservation
- Reservation required.
"Reservation Only: We operate completely by reservation only."
Quoted from the operator, checked Oct 14, 2026 - Clothing
- Not posted by the operatorChecked on the operator, checked Oct 11, 2026
- Dogs
"No alcohol, food, glass bottles, smoking, or pets inside the pool or hot tub gates."
Quoted from the operator, checked Oct 12, 2026- Snow
- Likely January to FebruaryComputed from NOAA snowfall, 2023 to 2026 seasons
- Run by
- The operator, roystonehotsprings.com
- Last checked
- October 2026
Water temperature
151 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 ROYSTONE HOT SPRINGS
Fees, hours and rules
Do you have to pay to go to Roystone Hot Springs?
Not posted by the operator.
"Reservation Only: We operate completely by reservation only."
Checked on the operator, checked Oct 12, 2026
When is Roystone Hot Springs open?
"The grounds, splash pad, and sports equipment are available every day, but the pools are closed on Sunday."
Quoted from the operator, checked Oct 14, 2026
Do you need a permit or reservation for Roystone Hot Springs?
Reservation required.
"Reservation Only: We operate completely by reservation only."
Quoted from the operator, checked Oct 14, 2026
Pets and clothing
"No alcohol, food, glass bottles, smoking, or pets inside the pool or hot tub gates."
Quoted from the operator, checked Oct 12, 2026
Not posted by the operator.
Checked on the operator, checked Oct 11, 2026
Seasons and winter access
Snow likely January to February at the spring.
Computed from NOAA snowfall, 2023 to 2026 seasons
Road and gate closures: check the operator's website.
Before you go
- Reservation required.
- Hours: The grounds, splash pad, and sports equipment are available every day, but the pools are closed on Sunday.
- Snow likely January to February.
- Dogs: No alcohol, food, glass bottles, smoking, or pets inside the pool or hot tub gates.
- Check operator website (no feed) before you drive.
Getting there
Drive times from each town's center, no traffic (computed).
Both open at Roystone Hot Springs.
Camping near Roystone Hot Springs
Roystone Hot Springs RV Park
"Come relax at our spacious RV park with easy access to our rejuvenating hot springs! ... Nightly Rate:$40 per night + tax."
Quoted from the operator, checked Oct 14, 2026
Nearby hot springs (6)
All 20 hot springs in IdahoPacific Northwest hot springs (36)
Questions
Is Roystone Hot Springs free?
Is Roystone Hot Springs clothing optional?
Can I bring my dog?
"No alcohol, food, glass bottles, smoking, or pets inside the pool or hot tub gates."Quoted from the operator, checked Oct 12, 2026
Can you camp at Roystone Hot Springs?
"Come relax at our spacious RV park with easy access to our rejuvenating hot springs! ... Nightly Rate:$40 per night + tax."Quoted from the operator, checked Oct 14, 2026
Is Roystone Hot Springs open, and what are the hours?
"The grounds, splash pad, and sports equipment are available every day, but the pools are closed on Sunday."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
- roystonehotsprings.com/hot-springs-2/pool: fee (not posted), permit or reservationChecked Oct 12, 2026 and Oct 14, 2026
- roystonehotsprings.com/general-rv-and-camping-information: hoursChecked Oct 14, 2026
- roystonehotsprings.com: clothing (not posted)Checked Oct 11, 2026
- roystonehotsprings.com/waiver/rules: dogsChecked Oct 12, 2026
- roystonehotsprings.com/overnight-2/rv-park: campingChecked Oct 14, 2026
- Drive times from Boise, McCall, Stanley: computed with GraphHopper 11.1, car profile, no trafficOpenStreetMap extract of Oct 12, 2026
- Snow months (Jan, Feb): computed from NOAA snowfall, 2023 to 2026 seasonsMethod page explains the rule