Hot Springs

Hot Springs in Grand County

Hot springs are natural pools of geothermally heated water, often infused with minerals like sulfate, calcium and magnesium. These springs bubble up from deep underground, heated by the earth’s interior, and bring therapeutic minerals to the surface. Many believe the combination of heat and minerals offers relief for sore muscles, joint pain and stress, making them perfect for a relaxing stop at any time of day. Whether you prefer a resort experience with spa treatments or a more primitive soak in the wilderness, Grand County’s hot springs offer a refreshing way to rest while immersed in the natural beauty of the Rockies.

Hot Sulphur Springs Resort & Spa, Hot Sulphur Springs

Historically used by the Ute and Arapaho tribes for medicinal purposes, the waters that are now a part of Hot Sulphur Springs Resort & Spa are among the state's oldest and most beloved natural hot springs. Located in the appropriately named town of Hot Sulphur Springs, the rustic resort has 22 mineral-rich pools, both indoor and outdoor, where visitors can sit back and relax in healing waters. Hop from pool to pool to try out different temperatures and mineral densities. Guests can also stay overnight at one of their cozy cabins or indulge in Swedish and deep-tissue massages.

Radium Hot Springs, Kremmling

For those looking for a more rugged experience, Radium Hot Springs offers a primitive, warm spring pool along the banks of the Colorado River near Kremmling. This 97°F to 100°F natural hot spring blends with the river water, usually providing a comfortable 85°F soak. It’s a short, 1.5-mile hike or raft ride to reach the springs, where you can often spot meandering wildlife and wave to rafters floating by. Camping is available at nearby Radium Recreation Area with a reservation, so plan ahead to stay and soak up some starry skies.

Frequently Asked Questions

What should I bring to a hot spring?

Bring a swimsuit, towel and, optionally, water shoes if you're visiting a hot spring. And don’t forget to bring a water bottle to stay hydrated, as the heat can dehydrate you quickly. If you're heading to a primitive hot spring like Radium, be sure to pack out everything you bring in, including trash.

Are hot springs safe for everyone?

While most people can safely enjoy hot springs, it’s important to stay hydrated and take breaks to avoid overheating or dehydration. Pregnant women and individuals with certain medical conditions should consult a doctor before visiting hot springs.

What is the temperature of the hot springs?

The temperature of hot springs varies depending on the location and how the water is sourced. For example, Radium Hot Springs offers a soak around 80°F because of its riverside location, while Hot Sulphur Springs Resort & Spa has man-made pools ranging from 95°F to 112°F.

Are there accommodations near the hot springs?

Many hot springs resorts, like Hot Sulphur Springs Resort & Spa, offer on-site lodging for visitors looking to extend their stay. Additionally, primitive hot springs like Radium have nearby campgrounds for a more rugged overnight experience.

Are hot springs open year-round?

Most hot springs are open year-round, with some adjustments for weather conditions. Hot Sulphur Springs Resort & Spa operates throughout the year, offering both indoor and outdoor pools for year-round visitors. However, access to more remote hot springs, like Radium, may depend on seasonal conditions and river levels. Call or visit the Kremmling Field Office for more information on trail and river statuses.