Thermopolis Hot Springs State Park
Wyoming

Thermopolis Hot Springs State Park

Available Activities
  • Hiking
  • Swimming
  • Nature
Verified by America’s State Parks Editorial Team – Updated March 2026

Thermopolis Hot Springs State Park is a public state park in Wyoming near Thermopolis in Hot Springs County County. Spanning 1,109 acres and established in 1897, this park offers a peaceful retreat into nature for visitors of all ages.

Quick Facts

StateWyoming
Nearest CityThermopolis
CountyHot Springs County
Park Size1,109 acres
Established1897

Location & Getting There

Thermopolis Hot Springs State Park is located near Thermopolis, Wyoming. The park’s coordinates are 43.6533, -108.1950.

Things to Do

Wyoming state parks and historic sites highlight the classic American West — featuring rugged mountain landscapes, wide-open range, natural hot springs, and frontier history. Activities include hiking through mountainous terrain, fishing for trout in pristine mountain streams, camping amid stunning Rocky Mountain scenery, soaking in natural hot springs, wildlife viewing for elk, moose, and pronghorn, rock climbing, cross-country skiing in winter, and exploring Oregon Trail ruts, frontier forts, and Native American heritage sites.

Best Time to Visit

Summer (June–August) is the primary season with warm days and access to mountain parks. Fall (September–October) offers golden aspens, bugling elk, and thinner crowds. Winter is cold and snowy at elevation but thrilling for those seeking solitude and snow recreation. Spring (May) brings green-up and wildflowers but lingering snow at higher elevations. Wyoming’s weather is famously unpredictable — be prepared for anything.

Visitor Tips

Wyoming charges day-use fees at most state parks ($7 for residents, $12 non-residents per vehicle). An annual permit is available ($42 resident, $77 non-resident). Many Wyoming parks are remote with limited services — arrive self-sufficient with fuel, water, and supplies. Wind is a defining characteristic — expect it and secure all camping gear. Cell coverage is nonexistent in many areas.

Frequently Asked Questions

How much does it cost to visit Wyoming state parks?

A daily use fee of $7 per vehicle for residents and $12 for non-residents applies. An annual day-use permit costs $42 for residents and $77 for non-residents.

What are the best state parks in Wyoming?

Top parks include Hot Springs (natural hot spring pool and waterfall), Sinks Canyon (disappearing river), Boysen (Wind River Canyon reservoir), and Glendo. They complement nearby national parks like Yellowstone and Grand Teton.

Can I soak in hot springs at a Wyoming state park?

Yes, Hot Springs State Park in Thermopolis features free public soaking in natural hot spring pools fed by the world’s largest mineral hot spring. The park also features a waterfall on the Bighorn River.

What is the best time to visit Wyoming state parks?

Summer (June-August) is the primary season with warm days and cool nights. Fall offers stunning golden aspens and elk viewing. Spring is muddy and cold until June. Winter is harsh with heavy snow at elevation.

Explore More Wyoming State Parks

Thermopolis Hot Springs State Park is one of many outstanding state parks in Wyoming. Discover more parks in our Best State Parks in Wyoming guide, or use our Park Finder to search by activity, location, or features.

State Parks Team
Written by

State Parks Team

Editorial Team

The State Parks Team is a group of outdoor enthusiasts, researchers, and travel writers dedicated to showcasing America's state parks. Drawing on collective experience visiting parks in all 50 states, the team creates detailed guides, curated park lists, and practical tips to help visitors make the most of their state park adventures. Our mission: making America's state parks accessible and enjoyable for everyone.

Last updated: March 6, 2026

Park Location