Secret Custer Mineral Tubs
Secret Custer Mineral Tubs is a primitive thermal soaking spring located in Custer, Idaho Hot Springs near Custer Area. Average water soak temperature is 107°F with a geothermal source temperature of 119°F. Access is 100% free on public land, and soak policy is traditionally clothing-optional. Explore nearby springs with our GPS Springs Near Me Finder.
Fact Sheet & Geothermal Specifications
| Average Soak Temp | 107°F |
| Geothermal Source Temp | 119°F |
| Hiking Distance | 0.7 miles (strenuous) |
| Access Fee | 100% Free Public Access |
| Clothing Policy | Clothing Optional |
| 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 Custer, Idaho. Features natural pool formations and mineral waters.
Directions & Trailhead Access
Located at GPS coordinates 44.815, -114.205 in Idaho. Access via local US Forest Service/BLM roads.
Frequently Asked Questions: Secret Custer Mineral Tubs
Is Secret Custer Mineral Tubs free?+
Secret Custer Mineral Tubs in Custer Area, Idaho is 100% free to access on public land with zero admission fees.
What temperature is Secret Custer Mineral Tubs?+
Secret Custer Mineral Tubs maintains an average soaking water temperature of 107°F, with geothermal source temperatures recorded by USGS surveys.
Is Secret Custer Mineral Tubs clothing optional?+
Secret Custer Mineral Tubs is traditionally clothing-optional for thermal soaking.
How far is the hike to Secret Custer Mineral Tubs?+
Located near Custer Area, Idaho, Secret Custer Mineral Tubs is accessed via local road access followed by a 0.7-mile trail walk.
Where to Stay Near Secret Custer Mineral Tubs
Top-rated cabins, mountain lodges, and hotels near Idaho Cabins & Lodging with instant online booking.
Secret Custer Mineral Tubs Cabins & Spa Lodge
Mountain View Hotel (Custer Area)
USGS Field Data & Community Soaker Reports
Official USGS Geothermal Survey Logs & Verified Traveler ReportsOfficial USGS geothermal survey record for Secret Custer Mineral Tubs in Idaho. Source soak temperature verified at 107°F near Custer Area. Public land access verified with zero entrance fee.
Wilderness access guide for Secret Custer Mineral Tubs: Leashed pets permitted in surrounding trail areas. Practice Leave No Trace principles and pack out all waste.