4 listings
Most Mineral-Rich Hot Springs in Wyoming
Springs whose source water tested at 1,500 mg/L or more of dissolved minerals, based on USGS and state lab samples. For comparison, tap water is usually under 500 mg/L.
We list 4 in Wyoming, 2 of them near Thermopolis: the hottest is Hobo Pool (up to 120°F) and the lowest listed adult price is TePee Pools ($15.50).
Astoria Hot Springs
A nonprofit hot springs park on the Snake River south of Jackson, run by Astoria Park Conservancy, with four flow-through soaking pools at 100-104°F plus a chlorinated children's pool and a cold plunge. Visits are booked in 1 hour 45 minute sessions of up to 70 guests, and it is closed Wednesdays for cleaning.
Fountain of Youth RV Park
An RV park north of Thermopolis built around a large mineral pool fed by the Sacajawea Well, drilled in 1918, which flows about 1.3 million gallons a day. Travel Wyoming lists the water at 100-104°F, and a 2024 report says new owners were restoring the pools and selling all-day passes to non-campers.
Hobo Pool
A free, town-owned hot pool in Saratoga on the bank of the North Platte River, open around the clock. Carbon County lists the main pool at 101-110°F and the Lobster Pot at one end at about 120°F. Swimsuits are required, and alcohol, tobacco and glass are banned.
TePee Pools
A commercial mineral-water pool complex in Hot Springs State Park with an indoor pool and water slide, an outdoor pool at 94-98°F and hot tubs up to 105°F. It also has a steam room and a cedar dry sauna. The site lists Carson Hot Springs and Jemez Hot Springs as sister properties.