Iron Mountain Hot Springs has officially opened its Sauna Summit expansion, introducing five distinct outdoor saunas and three new plunge pools to its already impressive lineup of wellness amenities. The debut marks a major milestone for the resort, arriving just as it celebrates its 10th anniversary and completes a series of recent upgrades, including a locker room renovation and spring remodel.
A New Chapter in Wellness at Iron Mountain
Construction on the Sauna Summit began in early 2025, following the success of Iron Mountain’s 21+ WorldSprings area, which opened in 2023. Together, these additions reflect the resort’s long‑term vision of becoming one of the country’s premier wellness destinations.
Perched just above WorldSprings, the new 21+ Sauna Summit offers:
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Five outdoor saunas, each inspired by global traditions and designed with unique temperatures, materials, and therapeutic benefits
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A magnesium-rich pool (104°F)
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A potassium-rich pool (98°F)
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A 45°F cold plunge for contrast therapy
The saunas range from a Turkish‑inspired steam room to a Finnish dry sauna, a red‑light clay sauna, an aromatherapy sauna infused with eucalyptus, and a Polish‑inspired salt sauna. Many feature aromatherapy or chromotherapy elements, creating a full‑spectrum wellness experience.
What Makes the Sauna Summit Special
Each sauna offers its own style of heat, humidity, and sensory experience:
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Turkish Hammam Steam Room — supports skin detoxification and respiratory relief
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Finnish Barrel Sauna — dry heat up to 194°F, ideal for circulation and muscle recovery
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Red Light Clay Sauna — radiant heat paired with chromotherapy for joint comfort and cellular support
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Aromatherapy Sauna — eucalyptus‑infused steam and essential‑oil “snowballs” for customizable relaxation
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Salt Sauna — dry heat with a salt wall to support respiratory health and skin balance
Guests can move between the saunas and plunge pools to create their own contrast‑therapy circuit, or simply relax and enjoy the mountain views. The resort plans to continue expanding, with new riverside loungers, grassy relaxation areas, and additional outdoor spaces coming this summer.
Why Stay at Aspenwood House?
One of the best parts of staying at Aspenwood House is how seamlessly you can blend mountain adventure with restorative wellness. The new Sauna Summit is just a short, scenic drive away and makes a perfect complement to your time here.
Here are a few ways guests love to incorporate it into their stay:
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Post‑hike or bike recovery: After a day on the trails, the magnesium pool and Finnish sauna are incredible for easing tired legs.
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A slow, restorative morning: Start your day with a steam session or aromatherapy sauna, then return to Aspenwood House for coffee by the windows or a quiet moment on the deck.
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A couples’ & friends' wellness afternoon: The 21+ setting makes it ideal for a peaceful, adults‑only retreat.
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Contrast‑therapy challenge: Rotate between the hot saunas and the 45°F cold plunge, then come back to Aspenwood House to unwind by the fire.
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A full wellness day: Pair a morning hike near the house with an afternoon at Iron Mountain for a balanced, rejuvenating experience.