Twin Springs Resort
Twin Springs Resort is a resort thermal spring listed in Boise County, Idaho Hot Springs near Boise. Reported soak temperature is 104°F with a historical source temperature of 104°F — actual conditions may differ. Access is subject to admission fees, and clothing policy is listed as clothing-optional — 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 104°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 | 104°F |
| Source Temp (Historical) | 104°F |
| Trail Access | Recorded coordinates — access unverified |
| Access Fee | Paid / Resort Fees |
| Clothing Policy | Reported Clothing-Optional |
| 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
Historic 1898 resort on the Middle Fork Boise River — a sulfur-free 180°F source piped to private riverside hot tubs on each cabin deck plus a rock steam house; tavern and store on site. NO DAY USE — tubs are for cabin guests only. Fee: Overnight cabin guests only — NO day use. No day use whatsoever; no cell service; dirt road can be rough/icy.
Directions & Trailhead Access
2538 Middle Fork Rd — Hwy 21 to Mores Creek bridge, then Middle Fork Boise River Rd ~19-27 mi graded dirt toward Atlanta.
Frequently Asked Questions: Twin Springs Resort
Is Twin Springs Resort free?+
Twin Springs Resort is a developed thermal facility near Boise that requires paid admission.
What temperature is Twin Springs Resort?+
Twin Springs Resort has a reported soak temperature of 104°F and a historical source temperature of 104°F in survey records. Historical data may not reflect current conditions — always test water before entering.
Is Twin Springs Resort clothing optional?+
Twin Springs Resort is listed as traditionally clothing-optional in directory records. Confirm current rules before visiting, as policies change.
How do you access Twin Springs Resort?+
Twin Springs Resort is a recorded location in Boise 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 Twin Springs Resort
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Community Soaker Reports
Visitor-submitted reports — not independently verifiedNo Community Reviews Yet
Have you soaked at Twin Springs Resort? Share your water temperature measurements, pool conditions, and road access tips to help fellow travelers!