Iron Mountain Hot Springs
Iron Mountain Hot Springs is a riverside geothermal spa in Glenwood Springs, Colorado, with 16 mineral pools, cold plunges and adult-only WorldSprings experiences.
Iron Mountain Hot Springs in Glenwood Springs, CO
Along the Colorado River just west of downtown Glenwood Springs, Iron Mountain spreads a family Select Access zone and a Premier Access (21+) WorldSprings area across geothermal soaking pools with mountain views. Select Access includes 16 geothermal hot springs, a large family mineral pool, a jetted spa and family-friendly cold plunges. Premier Access adds twelve WorldSprings-inspired pools (including Dead Sea and Blue Lagoon concepts), four saunas, an aromatherapy steam room, potassium and magnesium plunges and adult-only cold plunges with a riverside lounge.
Hours are daily 9:00 a.m. to 10:00 p.m., with occasional maintenance and holiday closures (including October 20–21 and Thanksgiving 2026). Reservations are required; online bookings save $5 versus walk-up rates. Select Access passes typically run about $43–$75 and Premier Access about $75–$150 depending on time of day and season, with Quick Dip (up to three hours) and Day Pass options. Each guest gets two complimentary towels and a locker. Children under 5 cannot use the geothermal hot springs but may use the family mineral pool area; guests under 21 cannot enter WorldSprings, the Sauna Summit or Sandbar Café.
Photo Gallery
Photo credits: IronMtn2 by Jbirkby (CC BY-SA 4.0); IronMountain1 by Jbirkby (CC BY-SA 4.0); IronMountain2 by Jbirkby (CC BY-SA 4.0); IronMtn4 by Jbirkby (CC BY-SA 4.0). Images via Wikimedia Commons.
News & Events
Book passes and check closures on the Iron Mountain Hot Springs site for Glenwood Springs, CO.
Frequently Asked Questions
What is there to do at Iron Mountain Hot Springs?
- Geothermal soaking: Rotate through 16 mineral hot springs pools along the river.
- Family zone: Use the large mineral pool, jetted spa and family cold plunge on Select Access.
- WorldSprings (21+): Try themed pools, saunas, steam and adult cold plunges on Premier Access.
- Cafés: Eat at Sopris Café (family) or Sandbar Café (Premier).
- River views: Soak with Colorado River and mountain scenery.
What is nearby Iron Mountain Hot Springs?
- Glenwood Hot Springs Resort: The historic large pool complex across town.
- Downtown Glenwood Springs: Restaurants, shops and the pedestrian bridge a short walk or drive away.
- Glenwood Caverns Adventure Park: Cave tours and mountain coasters above the valley.
- Hanging Lake: A permit-only turquoise hike east in Glenwood Canyon.
- Rifle and Carbondale: Easy day-trip towns along I-70 and Highway 82.
When was Iron Mountain Hot Springs established?
Iron Mountain Hot Springs is a modern Glenwood Springs geothermal resort developed along the Colorado River as a complementary soaking destination to the town’s historic hot springs culture, with Select and Premier Access experiences open year-round by reservation.
When is Iron Mountain Hot Springs open?
Open daily 9:00 a.m. to 10:00 p.m. except scheduled maintenance and holiday closures. Upcoming 2026 closures include October 20–21, Thanksgiving Day, early close Christmas Eve and Christmas Day. Arrive about 10 minutes early to check in, sign waivers and get wristbands.
Are there any tips for visiting Iron Mountain Hot Springs?
Reserve online to save $5 and guarantee a slot. Bring a swimsuit and government ID for Premier Access. Outside food and alcohol are not allowed; refillable water bottles are fine. Cancel or change free up to 48 hours ahead (one change); later changes cost $5 per pass.
Iron Mountain Hot Springs is located at 281 Centennial Street, Glenwood Springs, CO 81601. Call (970) 945-4766 or visit ironmountainhotsprings.com to reserve.