Updated ·

Radium Hot SpringsFree soaking · donation encouraged in Kremmling, CO (2026)

A single rock-walled pool tucked against the Colorado River lets rafters mix hot vents with the current after floating Gore Canyon.

Wild & RemoteModerate hike (1-3 mi)Free / primitive

Temperature

95°–105°F

Pools

1 soaking pools

Best season

May-October

Reservations

Walk-up friendly

Dog policy

Leashed dogs welcome

Family policy

Adults only

Safety notes

  • High river flows can submerge the pool or sweep bathers downstream—skip it when release flows spike.
  • Leave No Trace strictly enforced; rangers cite glass bottles and camping within 100 feet of the river.

Amenities & etiquette

camping

FAQ

Plan more in Colorado

Want a full itinerary? Start with the state hub, then browse the best-of and free-soaking guides tailored for each season.

Nearby hot springs

All Colorado springs