Hidden Valley Warm Springs
Hidden Valley Warm Springs is a developed thermal soaking spring located in Valley, Idaho Hot Springs near Valley Area. Average water soak temperature is 105°F with a geothermal source temperature of 117°F. Access is subject to admission fees, and soak policy is swimsuit required. Explore nearby springs with our GPS Springs Near Me Finder.
Seasonal Soaking & Best Time to Visit
High-altitude mountain access routes and backcountry trailheads can experience seasonal snowpack from November through May. Peak summer and early autumn provide clear trail access and pleasant evening soak conditions.
Fact Sheet & Geothermal Specifications
| Average Soak Temp | 105°F |
| Geothermal Source Temp | 117°F |
| Trail Access | Dispersed Public Land / Roadside (GPS Coords) |
| Access Fee | Paid / Resort Fees |
| Clothing Policy | Clothing Required |
| Pet Policy | Dog Friendly (Leashed) |
| Geothermal Data Citation | USGS Geothermal Data Portal |
| Public Land Management | Idaho BLM Public Land Office |
Detailed Description
Verified geothermal thermal soaking spring in Valley, Idaho. Features natural pool formations and mineral waters.
Directions & Trailhead Access
Located at GPS coordinates 46.21, -114.97 in Idaho. Access via local US Forest Service/BLM roads.
Frequently Asked Questions: Hidden Valley Warm Springs
Is Hidden Valley Warm Springs free?+
Hidden Valley Warm Springs in Valley Area, Idaho is a developed facility requiring day-use admission or resort fees.
What temperature is Hidden Valley Warm Springs?+
Hidden Valley Warm Springs maintains an average soaking water temperature of 105°F, with geothermal source temperatures recorded by USGS surveys.
Is Hidden Valley Warm Springs clothing optional?+
Hidden Valley Warm Springs is a swimsuit-required thermal area.
How far is the hike to Hidden Valley Warm Springs?+
Located near Valley Area, Idaho, Hidden Valley Warm Springs is accessed via local road access followed by a 2.8-mile trail walk.
Where to Stay Near Hidden Valley Warm Springs
Looking for accommodations near Idaho Cabins & Lodging? Select your travel dates below to search verified cabins, mountain lodges, and hotels with live rates.
Community Soaker Reports
Verified Traveler ReviewsHidden Valley Warm Springs is catalogued in the USGS Geothermal Resources Survey (Circular 790) as a geothermal resource in Valley, Idaho. Measured source temperature: 117°F. Average soaking pool temperature: 105°F. Land type: Managed Thermal Facility. Admission fees apply.
Source: USGS Geothermal Survey Circular 790 · Data verified July 2025
No Community Reviews Yet
Have you soaked at Hidden Valley Warm Springs? Share your water temperature measurements, pool conditions, and road access tips to help fellow travelers!