Outdoors NearbyRadium Warm Springs
A natural warm pool beside the Colorado River near the old townsite of Radium. Reaching it means walking public trails; there are no facilities at the spring. Radium Warm Springs costs nothing to visit.
| Access | Free, public land BLM says there is no designated access to the spring and the CPW Mugrage trail is closed; foot access is from the Warm Springs Road trailhead about 1.5 miles up Trough Road. |
|---|---|
| Type | Natural spring |
| Location | Bond, CO Managed by BLM Kremmling Field Office Directions |
| Parking | No parking on Radium Road between the recreation area and Trough Road; BLM day-use fees apply Apr 1–Nov 30 at the recreation area |
| Camping | Radium Recreation Area (BLM) |
| Website | blm.gov |
| Phone | 970-724-3000 |
Best time to soak: Radium Warm Springs
Radium Warm Springs is about 68 miles west of Boulder, CO, measured in a straight line.
Soaking feels best when the air is cool. From October to April average highs around Bond stay at 26 to 58 °F, with nights down to -1 °F. From October to April lows average -1 to 24 °F, so paths and decks around the pools can ice over and dirt roads may close.
| Month | High | Low | Rain days |
|---|---|---|---|
| Jan | 26 °F | -1 °F | 3 |
| Feb | 31 °F | 3 °F | 3 |
| Mar | 43 °F | 16 °F | 3 |
| Apr | 53 °F | 24 °F | 4 |
| May | 64 °F | 31 °F | 4 |
| Jun | 76 °F | 38 °F | 3 |
| Jul | 81 °F | 44 °F | 5 |
| Aug | 79 °F | 42 °F | 5 |
| Sep | 72 °F | 34 °F | 4 |
| Oct | 58 °F | 23 °F | 3 |
| Nov | 42 °F | 13 °F | 2 |
| Dec | 29 °F | 1 °F | 2 |
More to do nearby
- Cataract Falls (waterfall, 15 mi)
- Vail Square Ice Rink (ice rink, 23 mi)
Pack for the hot springs
- Cold-day pick SUN CUBE hooded changing robe poncho Change in and out of a wet suit at a trailhead with no changing room, and stay warm after a winter soak. View on Amazon
- Earth Pak roll-top waterproof dry bag Keeps your phone, keys and dry clothes safe on wet rocks next to the pool. View on Amazon
- Battery-free floating water thermometer Check a pool before you get in. Natural springs can run hotter than they look. View on Amazon
We haven't tested these ourselves; we chose them by size and specs. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Check the current price on Amazon.
Hot springs in the area
- Hot Sulphur Springs Resort & Spa Day pass
- Old Town Hot Springs Day pass
- Strawberry Park Hot Springs Day pass
- Yampah Spa Vapor Caves Day pass
- Glenwood Hot Springs Resort Day pass
- Iron Mountain Hot Springs Day pass
- Indian Hot Springs Day pass
- Avalanche Ranch Cabins & Hot Springs Day pass
Waterfalls nearby
- Cataract Falls (15 mi)
- Booth Falls (23 mi)
Sources
Access, prices and rules come from these official pages, checked October 2026. Hot springs close for weather, repairs or high water, so confirm before you go.
Something changed? Tell us.
Frequently asked questions
Do you have to pay at Radium Warm Springs?
Yes. Radium Warm Springs is on public land with no soaking fee; no parking on Radium Road between the recreation area and Trough Road; BLM day-use fees apply Apr 1–Nov 30 at the recreation area.
Can you camp near Radium Warm Springs?
Radium Recreation Area (BLM).
How far is Radium Warm Springs from Denver?
About 85 miles from Denver in a straight line; the drive is longer.