Roystone Hot Springs
Sweet, Idaho4.7 (904 reviews on Google)
Roystone Hot Springs, in Sweet, Idaho, is within a quarter mile of a road a car can reach — filed as sedan / 2wd. Access is listed as Paved Road at this developed resort or spa (on the operator's own site). The NOAA survey puts this vent at 151°F (scalding), well above typical soak temperatures. Entry is charged in the $$$ band, camping on site is confirmed on the operator's own site and amenities on file include restrooms, showers, reservations required and massage/spa. We have no corroborated clothing policy — confirm before you soak.
Source: NOAA thermal springs survey — ROYSTONE HOT SPRINGS, 0.16 mi
At a glance
Water temp
Above 110°F — risk of burns; test before entering
NOAA thermal springs survey — ROYSTONE HOT SPRINGS, 0.16 mi
Survey-measured
Road required
Any car
Unverified
Getting there
Paved Road
Unverified
Clothing
Unverified
Unverified
Camping on site
Yes
Verified
Cell service
Likely available
Information verified: — roads and policies change without notice.
Conditions at the spring
What we can actually confirm
Every attribute shows its source. Where nothing confirms it, we say so rather than guess.
Clothing policy
Unverified
Vehicle needed
Not confirmed
Getting to the water
Paved Road
Camping on site
Yes
Development
Resort/Spa
The water
Tips before you go
Practical notes from operators, land managers and published sources — plus reviews written here.
If you are planning to book the Spring House for less than 24 hours, the Guest House can still be added on for $300 per night.
Notice Required: Cancellations require 48 hours’ notice to avoid a non-refundable fee.
Book early to ensure availability!
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Contact & location
Keep this page honest
Road and closure status for Roystone Hot Springs is the fastest-decaying fact on this page. If something has changed on the ground, tell us and we will re-check it.
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