Boat Box Hot Spring
Boat Box Hot Spring is a primitive thermal spring listed in Custer County, Idaho Hot Springs near Stanley. Reported soak temperature is 110°F with a historical source temperature of 110°F — actual conditions may differ. Access is listed as free, and clothing policy is listed as swimsuit-required — always confirm before visiting. Explore nearby springs with our GPS Springs Near Me Finder.
Seasonal Soaking & Best Time to Visit
While geothermal pool temperatures remain a constant 110°F year-round, outdoor ambient temperatures fluctuate significantly across Idaho. Late spring through autumn offers the most comfortable road access.
Fact Sheet & Geothermal Specifications
| Reported Soak Temp | 110°F |
| Source Temp (Historical) | 110°F |
| Trail Access | Recorded coordinates — access unverified |
| Access Fee | Reported Free — Verify Locally |
| Clothing Policy | Reported Clothing Required |
| Pet Policy | Reported Dog-Friendly |
| Geothermal Data Reference | NOAA Thermal Springs List (1980 archive) |
| Check Land Status | Idaho Land Manager (BLM) |
Verification & Sources
This record was verified against the following source(s):
Reviewed September 2026 · Treat all details as reported — verify before visiting · How we verify our data
Detailed Description
Famous roadside soak 3.3 mi north of Stanley — a single metal cauldron tub on the Salmon River bank beside Hwy 75 fed by a 136°F source; cool it with bucketed river water (bucket on site). Fits 2 comfortably. Often submerged during spring runoff (~Apr-early Jun). Source water scalding — always temper before entering; tiny tub, expect waits.
Directions & Trailhead Access
Hwy 75 to milepost ~192.7, 3.3 mi NE of Stanley; small turnout on the river side.
Frequently Asked Questions: Boat Box Hot Spring
Is Boat Box Hot Spring free?+
Boat Box Hot Spring is listed as free to access in Custer County, Idaho. Fees and rules change — verify current status with the land manager before visiting.
What temperature is Boat Box Hot Spring?+
Boat Box Hot Spring has a reported soak temperature of 110°F and a historical source temperature of 110°F in survey records. Historical data may not reflect current conditions — always test water before entering.
Is Boat Box Hot Spring clothing optional?+
Boat Box Hot Spring is listed as swimsuit-required in directory records. Confirm current rules before visiting, as policies change.
How do you access Boat Box Hot Spring?+
Boat Box Hot Spring is a recorded location in Custer County. Exact access, parking, and land status are not verified — check with the local land manager (BLM/USFS/NPS) before visiting.
Where to Stay Near Boat Box Hot Spring
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Community Soaker Reports
Visitor-submitted reports — not independently verifiedNo Community Reviews Yet
Have you soaked at Boat Box Hot Spring? Share your water temperature measurements, pool conditions, and road access tips to help fellow travelers!