Radium Hot Springs
Spring · Colorado
ℹ️ 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
Natural hot pools on the banks of the Colorado River, a short walk from the Radium hot springs trailhead off the Trough Road. Soakers build rock dams to tune the temperature where the hot seeps meet the cold river. The setting, a red-rock river canyon, is spectacular.
Good to know
| Water type | Spring |
|---|---|
| Water temperature | 103 |
| Depth | waist-deep riverside pools |
| Best season | year-round |
| Fees | Free |
| Reservations required | No |
| Hours | always open |
| Parking | Trailhead lot off Trough Rd |
| County | Grand County |
| Nearest town | Kremmling |
| Safety notes | No lifeguard; river current; undeveloped |
Map
Nearby swimming holes
Frequently asked questions
Does Radium Hot Springs require reservations?
No reservations are required at Radium Hot Springs based on current information — but verify before you go.
Is there a fee to visit Radium Hot Springs?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Radium Hot Springs?
The best season is typically year-round.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026