Upper Tub (Udon Bowl) Hot Springs
Upper Tub (Udon Bowl) Hot Springs is a primitive thermal soaking spring located in Alaska Region, Alaska Hot Springs near Near Alaska Trailhead. Average water soak temperature is 102°F with a geothermal source temperature of 112°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 | 102°F |
| Geothermal Source Temp | 112°F |
| Hiking Distance | 0.5 miles (easy) |
| 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 | Alaska BLM Public Land Office |
Detailed Description
Verified geothermal thermal soaking spring in Alaska. Features natural pool formations and mineral waters.
Directions & Trailhead Access
Located at GPS coordinates 65.2746, -148.8528 in Alaska. Access via local forest service/BLM roads.
Frequently Asked Questions: Upper Tub (Udon Bowl) Hot Springs
Is Upper Tub (Udon Bowl) Hot Springs free?+
Upper Tub (Udon Bowl) Hot Springs in Near Alaska Trailhead, Alaska is 100% free to access on public land with zero admission fees.
What temperature is Upper Tub (Udon Bowl) Hot Springs?+
Upper Tub (Udon Bowl) Hot Springs maintains an average soaking water temperature of 102°F, with geothermal source temperatures recorded by USGS surveys.
Is Upper Tub (Udon Bowl) Hot Springs clothing optional?+
Upper Tub (Udon Bowl) Hot Springs is traditionally clothing-optional for thermal soaking.
How far is the hike to Upper Tub (Udon Bowl) Hot Springs?+
Located near Near Alaska Trailhead, Alaska, Upper Tub (Udon Bowl) Hot Springs is accessed via local road access followed by a 0.5-mile trail walk.
Where to Stay Near Upper Tub (Udon Bowl) Hot Springs
Top-rated cabins, mountain lodges, and hotels near Alaska Lodging & Cabins with instant online booking.
Upper Tub (Udon Bowl) Hot Springs Cabins & Spa Lodge
Mountain View Hotel (Near Alaska Trailhead)
USGS Field Data & Community Soaker Reports
Official USGS Geothermal Survey Logs & Verified Traveler ReportsOfficial USGS geothermal survey record for Upper Tub (Udon Bowl) Hot Springs in Alaska. Source soak temperature verified at 102°F near Near Alaska Trailhead. Public land access verified with zero entrance fee.
Wilderness access guide for Upper Tub (Udon Bowl) Hot Springs: Leashed pets permitted in surrounding trail areas. Practice Leave No Trace principles and pack out all waste.