Hot springs in Wyoming

Free public mineral pools at 104 degrees in Hot Springs State Park. Free by 1896 treaty. Mon-Sat 8am-5:30pm, Sun noon-5:30pm. Attendants on site in Thermopolis.

Closed since January 14, 2025, due to a legal dispute with Wyoming State Parks. No confirmed reopening date as of 2026. Free State Bath House next door remains open.

Full-service resort in Saratoga with 70-foot mineral pool and five teepee-covered hot tubs. Pool access for guests, members, and spa visitors only. Paid. Year-round.

Free outdoor mineral pool in Saratoga on the North Platte River. Main pool 106-119 degrees, smaller pool 100 degrees. Open 24/7/365. Town of Saratoga. Free entry.

Soaking prohibited by NPS since 2014. Naegleria fowleri and E. coli detected 2016. Same trailhead as Huckleberry. Viewing only. Do not enter water. Park fee.

Viewing permitted, water entry inadvisable. E. coli, salmonella, naegleria fowleri detected. Invasive fish in spring. Grand Teton NP. Park entry fee required.

Soaking prohibited by NPS since 2014. E. coli and naegleria fowleri detected. Trail open, viewing only. Do not enter the water. Park entry fee required.

Free public mineral pools at 104 degrees in Hot Springs State Park, Thermopolis. Free by 1896 treaty. Mon-Sat 8am-5:30pm, Sun noon-5:30pm. Attendants on site.

Paid mineral facility inside Hot Springs State Park, Thermopolis. Pools 94-104 degrees, waterslides, hot tubs, steam room. Open 9am-9pm daily. Year-round.

Bridger-Teton NF pool 34 miles from Jackson, summer 93 and winter 112 degrees. Last 10 miles unpaved. Winter access snowmobile or skis only. Fee $12 cash.

Largest mineral pool in Wyoming, 235 by 72 feet at 95-105 degrees. Day use at this Thermopolis RV park. Open year-round. Wheelchair accessible. Paid.

Seasonal swim area in Yellowstone, geothermally warmed to 86 degrees. Typically opens mid-July, closed all 2025 season. Yellowstone entry fee required. No lifeguard on duty.

Closed 2022. June floods shifted geothermal vents to 140 degrees, no cool water mixing possible. No reopening plans as of 2026. National Park entry fee required.

Nonprofit spring park near Jackson, six mineral pools 100-104 degrees, children pool, cold plunge. Paid, year-round, ADA accessible, reservations recommended.