Upper Boise Geothermal Springs
Upper Boise Geothermal Springs is a primitive thermal soaking spring located in Boise County, Idaho Hot Springs near Boise Area. Average water soak temperature is 101°F with a geothermal source temperature of 113°F. Access is 100% free on public land, and soak policy is swimsuit required. Explore nearby springs with our GPS Springs Near Me Finder.
Fact Sheet & Geothermal Specifications
| Average Soak Temp | 101°F |
| Geothermal Source Temp | 113°F |
| Hiking Distance | 1.6 miles (strenuous) |
| Access Fee | 100% Free Public Access |
| 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 Boise County, Idaho. Features natural pool formations and mineral waters.
Directions & Trailhead Access
Located at GPS coordinates 44.2, -116.65 in Idaho. Access via local US Forest Service/BLM roads.
Frequently Asked Questions: Upper Boise Geothermal Springs
Is Upper Boise Geothermal Springs free?+
Upper Boise Geothermal Springs in Boise Area, Idaho is 100% free to access on public land with zero admission fees.
What temperature is Upper Boise Geothermal Springs?+
Upper Boise Geothermal Springs maintains an average soaking water temperature of 101°F, with geothermal source temperatures recorded by USGS surveys.
Is Upper Boise Geothermal Springs clothing optional?+
Upper Boise Geothermal Springs is a swimsuit-required thermal area.
How far is the hike to Upper Boise Geothermal Springs?+
Located near Boise Area, Idaho, Upper Boise Geothermal Springs is accessed via local road access followed by a 1.6-mile trail walk.
Where to Stay Near Upper Boise Geothermal Springs
Top-rated cabins, mountain lodges, and hotels near Idaho Cabins & Lodging with instant online booking.
Upper Boise Geothermal Springs Cabins & Spa Lodge
Mountain View Hotel (Boise Area)
USGS Field Data & Community Soaker Reports
Official USGS Geothermal Survey Logs & Verified Traveler ReportsOfficial USGS geothermal survey record for Upper Boise Geothermal Springs in Idaho. Source soak temperature verified at 101°F near Boise Area. Public land access verified with zero entrance fee.
Wilderness access guide for Upper Boise Geothermal Springs: Leashed pets permitted in surrounding trail areas. Practice Leave No Trace principles and pack out all waste.