"Glenwood Hot Springs Resort is the home of the world’s largest mineral hot springs pool, Spa of the Rockies and Glenwood Hot Springs Lodge. The historic thermal spring water has been drawing visitors from all over the world since 1888. The source of the Glenwood Hot Springs’ mineral water is the Yampah spring which produces over 3.5 million gallons of water per day at a temperature of 122°F," the Visit Glenwood says.

"Before the water enters Glenwood Hot Springs’ two pools, it is cooled down to 104°F (40°C) for the resort’s hot tub-like Therapy Pool and it’s cooled down even further to the bathwater-warm temperature of between 90° – 93°F (~33°C) for the gigantic main pool.

"Soaking in or “taking the waters” is a time-honored healing tradition and one that is still recommended as a remedy for a variety of ailments. In fact, members of the nomadic Ute tribe were the earliest known people to soak in the healing hot springs which retains the original Ute language name “Yampah,” which translates to “Big Medicine.”

"Relax this summer at the World's Largest Hot Springs pool, which is kept at 90 degrees. Or enjoy our smaller 104 degree therapy pool. Centrally located in the heart of adventurous Glenwood Springs, you can enjoy everything the area has to offer and then relax and re-energize at Glenwood Hot Springs Resort," the official website says.

"The world’s largest hot springs pool provides you the ones worth remembering. The 15 minerals in the water have the power to re-energize and re-new tired muscles. Our pool is open year-round.

"The Spa of the Rockies uses essential minerals to revitalize the skin, calm nerves, detoxify the body and refresh oxygen levels. For maximum healthful benefits, all of our Signature Experiences include soaking in our outdoor mineral hot springs pool."

"A visit here will is the perfect way to melt away your cares with a soak in mineral-rich waters. Also, not only is Glenwood Hot Springs Resort the largest hot springs in Colorado, but it’s also home to the world’s largest hot springs pool! Glenwood Hot Springs in Colorado is home to the largest hot springs pool on Earth," the Only In Your State reports.

"It's open year-round, which means you can take a dip in its warm waters while enjoying views of the snow-capped Rockies. The water is a relaxing 90 degrees Fahrenheit no matter the season. The mineral-infused waters have been enjoyed by travelers, locals, and families since 1888. Beside the pool area you'll find two waterslides that are more than 330 feet long.

"The Glenwood Hot Springs Resort is also home to a world-class luxury spa, premier athletic club, resort boutique, and dining. You can also stay in their 107-room lodge if you can’t tear yourself away from the soothing waters."

"A historic thermal spring in western Colorado has been drawing visitors to its waters since 1888. Located between the ski destinations of Aspen and Vail, the Glenwood Hot Springs Pool is the world’s largest mineral hot springs pool," the Atlas Obscura reports.

"Its water comes from the Yampah spring, which produces more than 3.5 million gallons of water per day at a temperature of 122 degrees Fahrenheit. The water is cooled before it reaches the pool, to a more comfortable temperature of 90–93 degrees Fahrenheit (30–34 degrees Celsius). Hot springs are naturally occurring bodies of water warmed by geothermal heat.

"Glenwood Springs is also home to the Yampah Vapor Caves, a series of underground natural steam baths. Long before Glenwood Springs was a spa town, the Ute people who originally inhabited the Great Basin region regarded the caves as sacred places for healing and rejuvenation."

"With mountains, lakes, and a canyon, Glenwood Springs has outdoor activities for everyone. Once you've spent a day hiking or hitting the slopes, take a dip in one of the hot springs," the Travel + Leisure reports.

"Glenwood Hot Springs Resort is the most famous because it's home to the world's largest mineral hot springs pool. Iron Mountain Hot Springs features a bathhouse and 16 geothermal pools overlooking the Rocky Mountains."

"Glenwood Springs is a home rule municipality that is the county seat of Garfield County, Colorado, United States. The city population was 9,963 at the 2020 United States Census.[3] Glenwood Springs is located at the confluence of the Roaring Fork River and the Colorado River, connecting the Roaring Fork Valley and a series of smaller towns up and down the Colorado River. Glenwood Springs is a destination for many vacationers, and is known for its hot springs.

"There are numerous hot springs in the area, including several facilities in town that range from 93 °F (34 °C) to 104 °F (40 °C) with varying mineral content. The hot springs were used by local indigenous people long before the colonization of the Americas, most recently by the Utes. The hot springs were used by Native Americans for the medicinal properties of the water. Before 1800, the area was considered to be of "sacred status" to the Ute people.

"Yampah Hot Springs vapor caves are historic underground geothermal steam baths. They were historically used by the Ute people as a source of rejuvenation and healing. There have been tensions between the local Ute people in relation to the use of the caves. Today, the vapor caves consist of three connecting rock chambers. Cave temperatures average 110 to 112 °F (43 to 44 °C)." (Wikipedia)

"There's so much to do and see in this park. We were encouraged to drive the remote areas of the park to find the herd of bison that roams here. On that route is an incredible rock wall, carved by whirling hot water into crazy swirls and perfectly layered circles and bizarre holes. A now extincted hot spring used to bubble from the rock here."

"This park has so much to offer - grassy lawns, picnic areas, a covered picnic pavilion, historic information on the Shoshone and Arapaho tribes that once owned the land."

"This is a really great park that has something for everyone. You can picnic, walk over the bridge, take a soak in the free bath house, go for a hike or take a drive in the Bison pasture to photograph the Wyoming state herd. It is a MUST VISIT destination!"

"Great Hot Springs with indoor and outdoor pool options. A large warm pool is adjacent to a warmer soak pool. Very relaxing and enough room not to get congested. The surrounding grounds are lovely and there are walkways over the source of the thermal water. Overall great place to visit."

"A State Park with no admission...not only that, but if you choose, you can bathe for free in one of the hot springs (there are also a couple of commercial run springs)."