Natural swimming hole
Upper Potosi Hot Springs
Spring · Montana
Community-reported spot. Details below are compiled from public sources and are reported to be accurate — 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
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Frequently asked questions
Can you swim in Upper Potosi Hot Springs?
Yes — Upper Potosi Hot Springs is listed as a natural swimming spot in Montana. Reported water temperature: ~100. Heads-up: Remote; no lifeguard. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Upper Potosi Hot Springs require reservations?
No reservations are required at Upper Potosi Hot Springs based on current information — but verify before you go.
Is there a fee to visit Upper Potosi Hot Springs?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Upper Potosi Hot Springs?
The best season is typically year-round.