Upper Potosi Hot Springs
Spring ¡ Montana
âšī¸ Community-reported spot. Details below are compiled from public sources and are reported to be accurate â always verify locally before visiting.
About this swimming hole
A remote Jefferson County hot spring with creekside pools and mountain views. Upper Potosi's setting is wild and the soak is rustic. Access is rough.
Good to know
| Water type | Spring |
|---|---|
| Water temperature | ~100 |
| Depth | creekside hot pools |
| Best season | year-round |
| Fees | Free |
| Reservations required | No |
| Hours | always open |
| Parking | Rough road |
| County | Jefferson County |
| Nearest town | Whitehall |
| Safety notes | Remote; no lifeguard |
Map
Nearby swimming holes
Frequently asked questions
Does Upper Potosi Hot Springs require reservations?
No reservations are required at Upper Potosi Hot Springs based on current information â but verify before you go.
Is there a fee to visit Upper Potosi Hot Springs?
Reported fee info: Free. Fees can change â confirm with the official link.
When is the best time to visit Upper Potosi Hot Springs?
The best season is typically year-round.
â ī¸ Verify before you go. Conditions, fees, reservations, and access can change â confirm details with the official link before visiting. Last verified: September 2026