Hot Springs State Park

Thermopolis, WY

4.7(2,270 reviews)

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About this campground

Over colorful terraces along the Big Horn River at Thermopolis flows water from mineral hot springs. More than 1.8 million gallons flow over the terrace every 24 hours at a constant temperature of 128 degrees Fahrenheit. The park has a free bath house where the water is maintained at 104 degrees for therapeutic bathing. Hot Springs has 6.2 miles of universally accessible trails and hiking trails. It is a full-service park with comfort stations, a volksmarch trail, fishing, and a boat ramp. One of the reservable group picnic shelters is located here. Hot Springs is a day-use park.

What campers say

Hot Springs State Park in Thermopolis features extensive mineral hot spring formations adjacent to the Bighorn River, with walkways, a suspension/swinging bridge, and trails for hiking. Visitors praise clean, free-access thermal pools and a community bathhouse with soaking opportunities. The visitor center staff receive frequent compliments for being helpful and informative, and the on-site museum highlights local fossils. The park offers picnic spots, shade, and scenic viewing; wildlife such as mule deer and bison may be seen but sightings vary. It works well as a short stop or a full day visit to explore pools, trails, and mineral terraces.

Our summary of 2,270 traveler reviews.