Outdoors Nearby

Iron Mountain Hot Springs

A hillside soaking complex on the Colorado River in Glenwood Springs with dozens of small mineral pools at different temperatures. Part of the site, including saunas and a café, is limited to guests 21 and older. Iron Mountain Hot Springs is open to day visitors for a fee.

AccessDay passes for the public
Day passes for all ages; a separate 21+ All Access pass adds adults-only areas. Online booking is $5 cheaper than walk-in.
TypeDeveloped pools, 35 pools
LocationGlenwood Springs, CO
Managed by Private operator
Directions (approximate location; check the official map)
Waterpools vary from 89 to 108 °F
PricesGeneral Access (all ages): $43 to $75 (price varies; online $5 less than walk-in)
All Access (21+): $75 to $150 (price varies; online $5 less than walk-in)
Checked October 2026 on the operator's site
Hours9 am–10 pm daily
Seasonyear-round; closed Thanksgiving and Christmas Day 2026, early close Christmas Eve
Reservationsrecommended
AgesAll Access areas 21+ with ID; children under 5 only in the Family Zone
Facilitiessaunas, cold plunges, food
Websiteironmountainhotsprings.com
Phone(970) 945-4766

Best time to soak: Iron Mountain Hot Springs

From November to April average highs around Glenwood Springs stay at 36 to 60 °F, with nights down to 12 °F. From November to March lows average 12 to 26 °F, so paths and decks around the pools can ice over and dirt roads may close. In July highs reach 89 °F. Take breaks out of the water and bring plenty to drink on summer days.

Average weather by month near Glenwood Springs, CO
MonthHighLowRain days
Jan36 °F12 °F4
Feb42 °F19 °F4
Mar53 °F26 °F4
Apr60 °F32 °F4
May71 °F40 °F4
Jun82 °F46 °F3
Jul89 °F53 °F3
Aug86 °F52 °F4
Sep78 °F44 °F4
Oct65 °F33 °F4
Nov49 °F24 °F3
Dec36 °F15 °F3
Average daily high and low in °F and days with at least 0.1 in of rain or snow. Source: NOAA climate normals 1991–2020, weather station about 3 mi away.

More to do nearby

Pack for the hot springs

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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 Iron Mountain Hot Springs?

General Access (all ages): $43 to $75 (price varies; online $5 less than walk-in) and All Access (21+): $75 to $150 (price varies; online $5 less than walk-in), according to the operator as of October 2026. Prices change, so check before you go.

How hot is Iron Mountain Hot Springs?

Pools vary from 89 to 108 °F.

When is Iron Mountain Hot Springs open?

9 am–10 pm daily. year-round; closed Thanksgiving and Christmas Day 2026, early close Christmas Eve.