Yellowstone Hot Springs is the answer to the most common Yellowstone wish that the park cannot grant: a legal, comfortable soak in naturally hot water. Inside the park, thermal features are dangerous and off-limits, and the old Boiling River swimming area near Mammoth has been closed since the 2022 flood; this private facility, opened to the public in March 2019 near Corwin Springs, roughly eight miles north of the North Entrance, fills that gap. The setting is classic Paradise Valley: open pools on a bench above the Yellowstone River, with the Absaroka and Gallatin ranges around you and elk, deer and pronghorn often grazing on the surrounding hillsides. The water is flow-through mineral water, constantly replaced rather than heavily treated; the main pool averages around 102 degrees, a hot plunge runs a couple of degrees warmer, and a cold plunge in the 60s gives contrast bathers their circuit. The site also has cabins and RV and tent sites, but most visitors come for a day soak. What makes it especially useful is the season: the road from Gardiner through Mammoth and Lamar Valley stays open to cars all winter, so a late-autumn or winter trip to the park's northern range can end each day in hot water while snow falls on the pools. Hours and policies change by season, so confirm before driving out. Fit: winter trips on the northern range, families looking for a relaxed evening after wildlife watching, couples who want a starlit soak, and first-time visitors who assumed they could swim in a geyser basin and need a good alternative.
The Corwin Springs area has a long history of hot springs development, with resort ventures here in the early 1900s, and the modern pools brought the tradition back after years of disuse. The design favors simplicity over spa polish: concrete pools with mountain views, changing rooms and a small set of soaking options, which suits the ranch-country setting. Because the water flows through rather than recirculating, it can carry a mineral smell and slight color, which is normal for natural hot springs.
How to do it well
Go in the late afternoon after a morning in Lamar Valley or at Mammoth, when the light turns gold on the hills and the wildlife often moves; or go after dark on a clear night for the stars. Alternate between the hot plunge and the cold plunge for the full circuit, drink water, and keep sessions moderate if you are not used to high temperatures. In winter, bring a warm hat and sandals for the cold walk between pools and changing rooms, and check road conditions on US-89 before driving.
Practicals and fit
About 10 minutes north of Gardiner off US-89 near Corwin Springs, with on-site parking and lodging for those who want to stay. Prices are modest for day soaks; hours change by season. For a more full-service soak with dining and lodging, Chico Hot Springs farther up Paradise Valley is the classic alternative. Fit: northern range winter trips, families, couples and anyone who wants Yellowstone heat without breaking any rules.
What to expect
The experience
Outdoor flow-through mineral pools, including a main pool around 102 degrees, a hotter plunge and a cold plunge, with changing rooms and on-site cabins and campsites.
Best time
Late afternoon after a Lamar Valley or Mammoth morning, or after dark for stars. The northern road stays open in winter, making this a year-round option, but confirm seasonal hours.
How long
About two hours, including changing.
Tips
Alternate hot and cold plunges and stay hydrated. In winter bring sandals and a hat for the walk between pools. Check US-89 road conditions after storms.
Quick picks
- Best for
- A legal, comfortable hot springs soak near the park, especially in winter.
- Families
- Easy evening fun after wildlife watching; supervise kids closely in the hottest pool.
- Couples
- A starlit soak above the Yellowstone River.
- Pair with
- Mammoth Hot Springs terraces or a Lamar Valley wildlife morning.
- Time needed
- Two hours, 10 minutes from Gardiner.
Good questions
Can I soak in hot springs inside Yellowstone?+
Not in thermal features, which are dangerous and illegal to enter, and the Boiling River swimming area has been closed since the 2022 flood. Yellowstone Hot Springs, just outside the park near Gardiner, is the practical alternative.
Is it open in winter?+
The road from Gardiner into the park's northern range stays open to cars all winter, and the pools are a popular cold-weather soak. Hours change by season, so confirm before you drive.
How hot are the pools?+
The main pool averages around 102 degrees, the hot plunge about 104, and the cold plunge in the 60s. Exact temperatures vary.
How far is it from Gardiner?+
About 10 minutes north on US-89, near Corwin Springs, roughly eight miles from the North Entrance.
Can I stay overnight?+
Yes. The property has cabins and RV and tent sites, which makes it a quiet base for northern range wildlife trips.
