Quick FactsOverview
About Hot Sulphur Springs Resort & Spa
Hot Sulphur Springs Resort & Spa, Colorado is a paid year-round hot spring resort at 5609 Spring Road in the town of Hot Sulphur Springs, approximately two hours from Denver in Grand County. Water from 7 natural springs flows through 21 mineral pools with no chemicals, filtration, or pumps added. Temperatures range from 95 to 112 degrees Fahrenheit and the flow is entirely gravity-fed. Walk-in day use is welcome with no reservations or capacity limits.
The pools include public outdoor soaking pools, a solarium pool, a therapy pool, a summer swimming pool, and private bath options. The sulphur-rich water has a noticeable odor characteristic of these springs. Mineral levels and flow have remained consistent since first measured in 1946.
The springs were documented by European Americans in the 1840s and the first bathhouse was built in the 1850s. The town of Hot Sulphur Springs was founded in 1864. The resort is among the hot springs near Winter Park on the US-40 corridor in Grand County, close to Rocky Mountain National Park and the Arapaho and Roosevelt National Forests.
Location & Access
Getting to Hot Sulphur Springs Resort & Spa
Hot Sulphur Springs Resort & Spa is at 5609 Spring Road, Hot Sulphur Springs, CO 80451, just off US-40 in Grand County. From Denver, take I-70 west to US-40 west at Empire Junction (Exit 232) and continue approximately 50 miles to the town of Hot Sulphur Springs, a total drive of about two hours. The resort is on Spring Road, a short turn off the main highway through town.
From Winter Park, drive west on US-40 for approximately 30 minutes. From Granby, drive east on US-40 for about 10 minutes. From Kremmling, drive east on US-40 for roughly 20 minutes. There is no public transit connection to Hot Sulphur Springs; a personal vehicle is required for nearly all visitors. Free parking is available at the resort. The town itself is small, with limited services, so filling up on fuel and supplies in Granby or Winter Park before arriving is practical.
Walk-ins are welcome for day use with no reservations or maximum capacity restrictions. The resort is open daily year-round. Reservations are recommended for overnight rooms, massage services, and private baths, but the public pools are walk-in only. A nearby restaurant, located just up the road from the resort, offers discounts to resort guests and can deliver food to the lobby. For visitors exploring hot springs near Winter Park on a road trip through Grand County, this resort sits midway between Winter Park and Kremmling on US-40 and is easy to combine with other outdoor activities in the area.
Suitability & Accessibility
Who Hot Sulphur Springs Resort & Spa Suits
Hot Sulphur Springs Resort & Spa suits adults and families with children aged 12 and over. Children under 12 are not permitted in the soaking pool areas. Swimwear is required at all times in public areas. No alcohol, smoking, vaping, or eating is permitted in the pool areas. Bags may be subject to search on entry.
The 21 pools at different temperatures let visitors move between cooler and hotter soaking options throughout the day. The sulphur odor is noticeable and worth noting for first-time visitors. The facilities are described as rustic and historic rather than luxurious, which suits those seeking a genuinely natural experience. For those looking for natural hot springs in Colorado with a long history and no chemical treatment, this resort offers one of the more traditional soaking experiences in the state.
Overnight lodging includes standard motel rooms sleeping 2 to 4 people, a restored historic cabin with a kitchenette, and a loft apartment with a full kitchen. All overnight stays include unlimited pool access. Towel and robe rentals are available at additional cost. The resort is not pet-friendly. Nearby activities include fly fishing on the Colorado River, hiking in the surrounding national forests, and winter sports at Winter Park ski resort about 30 minutes away.
Safety & Etiquette
Hot Sulphur Springs Resort & Spa Safety Tips
Hot Sulphur Springs Resort & Spa is generally safe for most visitors, though the natural sulphur content and temperatures from 95 to 112 degrees Fahrenheit mean awareness is needed. The hottest pools exceed the 104-degree threshold associated with elevated heat risk. Moving between cooler and hotter pools gradually and taking breaks in the fresh air between soaks helps manage heat exposure.
The water is 100 percent natural with no chemicals added. There is no chemical treatment to manage waterborne pathogens, so the resort relies on natural water flow for quality. Showering before entering pools is standard practice. Visitors with open wounds, compromised immune systems, or specific medical conditions should consult a physician before using untreated natural mineral pools.
People with cardiovascular conditions, high or low blood pressure, or pregnancy should avoid high-temperature pools and seek medical advice before soaking. Dehydration is a real risk during extended soaking; bring a water bottle and drink regularly throughout your visit. The nearest significant medical facilities are in Granby, approximately 10 miles west on US-40.
The resort is close to a railroad line and train noise is noticeable, particularly at night, which is relevant for overnight guests. The sulphur odor may linger on hair and swimwear; this is a natural characteristic of sulphur-bearing mineral waters, not a quality issue. A designated picnic area is on site, as no food or alcohol is permitted in pool areas.
