Hot Springs in Wyoming

Hot springs in Wyoming range from the free state bathhouse at Thermopolis and Saratoga's Hobo Pool to Granite and Astoria near Jackson, while Yellowstone's famous springs, like Mammoth, are look-only. We list 14, on a map.

Reviewed
Kids Fishing Derby at Saratoga National Fish Hatchery
Photo: USFWS Mountain Prairie, Public domain

Wyoming hot springs in brief

Wyoming has some of the world's most famous hot springs in Yellowstone, but you soak outside the park.

Best season
All year; winter access to Granite by snowmobile
We list
14 hot springs
Yellowstone
Look only; soaking banned
Free soaks
Thermopolis bathhouse, Saratoga Hobo Pool
Near Jackson
Granite, Astoria
Closed
Boiling River since 2022
Big pool
Fountain of Youth, Thermopolis

Are there hot springs in Wyoming?

Yes. Wyoming has hot springs you can soak in at Thermopolis, Saratoga and near Jackson, plus Yellowstone's thermal features like Mammoth Hot Springs, which you can only look at.

Soaking in Yellowstone's thermal features is illegal, and Boiling River, the park's legal soaking spot, has been closed since the 2022 floods. Outside the park, Thermopolis has a free state-run bathhouse and Saratoga a free town pool.

Hot springs in Wyoming map

Every one of the 14 hot springs on this page, with natural springs, resorts and pools shown by pin shape.

© OpenStreetMap contributors

Natural Resort or lodge Public pool

Best hot springs in Wyoming

The Wyoming hot springs most visitors plan a trip around.

  • Free bathhouse

    Hot Springs State Park Bath House

    Thermopolis

    Free mineral pools at 104°F run by the state.

  • Free pool

    Saratoga Hobo Hot Pool

    Saratoga

    A free town pool by the North Platte, open around the clock.

  • Public pool

    Granite Hot Springs Pool

    Near Jackson

    A mountain pool reached by snowmobile or skis in winter.

  • Public park

    Astoria Hot Springs

    Near Jackson

    Mineral pools in a non-profit park on the Snake River.

  • View only

    Mammoth Hot Springs

    Yellowstone National Park

    Travertine terraces on boardwalks; look only.

Famous hot springs in Wyoming

All 14 hot springs we list in Wyoming, A to Z, including look-only and closed sites.

  • Public park

    Astoria Hot Springs, Wyoming

    Non-profit park on the Snake River with six mineral pools at 100–104°F; reservations recommended.

  • Closed

    Boiling River Hot Springs (Yellowstone), Wyoming

    Once a famous soak where a hot stream meets the Gardner River; closed since the 2022 floods.

  • Seasonal

    Firehole River Swimming Area, Wyoming

    Geothermally warmed river swimming spot, usually open from mid-July; it stayed closed for the 2025 season.

  • RV park

    Fountain of Youth RV Park, Wyoming

    Wyoming's largest mineral pool, 235 by 72 feet, at 95–105°F; day use available.

  • Public pool

    Granite Hot Springs Pool, Wyoming

    Forest Service pool about 93°F in summer and hotter in winter, 34 miles from Jackson; winter access by snowmobile or skis.

  • Water park

    Hellie's Tepee Pools, Wyoming

    Pools at 94–104°F with waterslides and a steam room inside Hot Springs State Park; open daily.

  • Free bathhouse

    Hot Springs State Park Bath House, Wyoming

    Free state-run mineral pools at 104°F, with a time limit and attendants; open daily.

  • View only

    Huckleberry Hot Springs, Wyoming

    Riverside springs near Flagg Ranch where the Park Service has banned soaking since 2014 for health reasons.

  • View only

    Kelly Hot Springs, Wyoming

    Warm pool in Grand Teton National Park where getting in is strongly discouraged because of bacteria.

  • View only

    Mammoth Hot Springs, Wyoming

    Steaming travertine terraces you walk on boardwalks, open all year; soaking is not allowed.

  • View only

    Polecat Hot Springs, Wyoming

    Springs on the same trail as Huckleberry, closed to soaking after bacteria and amoebas were found.

  • Free pool

    Saratoga Hobo Hot Pool, Wyoming

    Free town mineral pool by the North Platte River, open around the clock; the main pool runs 106–119°F.

  • Resort

    Saratoga Hot Springs Resort, Wyoming

    Resort with a 70-foot mineral pool and teepee-covered tubs for guests, members and spa visitors.

  • Closed

    Star Plunge, Wyoming

    Thermopolis water park closed since January 2025 amid a dispute with Wyoming State Parks.

When to go and how to reach hot springs in Wyoming

Seasons

All year. Granite Hot Springs is a summer drive and a winter snowmobile or ski trip, and the Firehole River swimming area usually opens in mid-July, though it stayed closed for 2025.

Entry fees

The Thermopolis state bathhouse and Saratoga's Hobo Pool are free. Granite charges a small cash fee, Astoria and the Thermopolis water parks charge entry, and Yellowstone and Grand Teton charge park fees.

Access and travel

Thermopolis is about two and a half hours from Casper, Saratoga is about 90 minutes west of Laramie, and Granite is 34 miles south of Jackson, with the last 10 miles unpaved.

How to soak responsibly in Wyoming

Wyoming's rules are strict in the national parks.

  • Respect time limitsThe Thermopolis bathhouse limits soaking time.
  • Keep your head above waterBacteria and amoebas have been found at Huckleberry, Polecat and Kelly.
  • Bring cash for GraniteThe fee is paid in cash.
  • Never enter Yellowstone's thermal featuresIt is illegal and dangerous; stay on boardwalks.

Your questions about Wyoming hot springs

Can you swim in Yellowstone's hot springs?

No. It is illegal to soak in Yellowstone's thermal features, and Boiling River has been closed since 2022.

Are there free hot springs in Wyoming?

Yes. The state bathhouse in Thermopolis and the Hobo Pool in Saratoga are free.

Are there hot springs near Jackson?

Yes. Astoria is about 17 miles south, and Granite is 34 miles away.

Pictures of hot springs in Wyoming

Photos of Saratoga Hobo Hot Pool and Mammoth Hot Springs, all hot springs in this guide. We only use photos whose license allows reuse and credit the photographer under each one. The full credits are on our photo credits page.

Sources

Information here was checked on against the sources below.

Hot springs elsewhere in the United States

Pick another state to keep exploring.