Radium Hot Springs
![On Back: Along the Line of the Canadian Pacific Railway. On Back: Made in Canada On Front: [printer's no.] 808 Description: Bird's eye view of Radium Hot Spring](/images/places/co/radium-hot-springs/photo-1.jpg)
- Source temp
- 97°F
- Soakable
- Yes
- Hike
- 0.75 mi each way
- Road
- Gravel
- Permit
- Not required
The source runs about 97°F; the soaking pool runs 80 to 97°F at Radium Hot Springs, a primitive hot spring in Grand County, Colorado, managed by the Bureau of Land Management (Kremmling Field Office, Radium Recreation Area).
Closures and warnings
BLM: there is no designated developed access at the Radium Recreation Area boat-ramp complex for the warm springs; use the Warm Springs Road trailhead. High Colorado River flows can flood the pool (often spring runoff). As of September 28, 2026.
Soaking
| Development | Primitive |
|---|---|
| Source temperature | 97°F |
| Soaking temperature | 80-97°F |
| Pools | 1 |
| Soakable | Yes |
| Soaking allowed | Yes |
|---|---|
| Water type | Spring |
| Entry | Walk in |
| Current | Mild |
| Water clarity | Warm spring pool mixes with Colorado River water; can turn cold or unusable when the river is high. |
Access
| Hike | 0.75 mi each way |
|---|---|
| Road | Gravel |
| Road note | From CO-9 south of Kremmling, west on Trough Road (CR 1) about 12 miles, then Warm Springs Road 0.9 miles to BLM trailhead. No parking on narrow Radium Road between Radium Recreation Area and Trough. |
| Parking | BLM trailhead parking at the end of Warm Springs Road; Warm Springs Trail is foot travel only. |
| Fee | No entry fee or permit required for the warm springs (BLM/visitor guides). |
| Reservation or permit | Not required |
| Wheelchair access | Steep trail to the riverside pool; not accessible. |
| Managed by | Bureau of Land Management (Kremmling Field Office, Radium Recreation Area) |
| Showers | No |
|---|---|
| Drinking water | No |
| Note | Primitive soak; developed camping elsewhere in Radium Recreation Area is reservation-based on Recreation.gov. |
Rules
| Camping | Allowed |
|---|
Common questions
Common questions
Is Radium Hot Springs open?
BLM: there is no designated developed access at the Radium Recreation Area boat-ramp complex for the warm springs; use the Warm Springs Road trailhead. High Colorado River flows can flood the pool (often spring runoff). As of September 28, 2026.
How hot is Radium Hot Springs?
The spring's source runs about 97°F. The soaking pool runs 80 to 97°F. There is 1 pool.
Can you soak at Radium Hot Springs?
Yes, swimming is allowed at Radium Hot Springs. A mild current is reported here.
How long is the hike to Radium Hot Springs?
It's a 0.75 mi hike each way. The road in is gravel. From CO-9 south of Kremmling, west on Trough Road (CR 1) about 12 miles, then Warm Springs Road 0.9 miles to BLM trailhead. No parking on narrow Radium Road between Radium Recreation Area and Trough. Parking: BLM trailhead parking at the end of Warm Springs Road; Warm Springs Trail is foot travel only.
Do you need a reservation for Radium Hot Springs?
No reservation or permit is required.
Is Radium Hot Springs free?
The fee is No entry fee or permit required for the warm springs (BLM/visitor guides).
What facilities are at Radium Hot Springs?
No showers and drinking water. Primitive soak; developed camping elsewhere in Radium Recreation Area is reservation-based on Recreation.gov.
Nearby
Sources
2
- https://www.blm.gov/visit/radium-recreation-area (accessed September 28, 2026; backs manager / parking / roadNote, waterbodyName Colorado River, rules.camping allowed)
- https://www.hotspringsguides.com/hot-springs/radium-hot-springs-colorado (accessed September 28, 2026; backs access.hikeDistanceMi / fee / permitRequired / hotSpring temps, hotSpring.development primitive / soakable / sourceTempF, hazardNote / swimmerNotes.waterClarityNote / current, swimmerNotes.swimmingAllowed / entryType)
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