Are you planning a visit to the Colorado caves? Then you have come to the right place! In this article I tell you about 13 key facts that you should know before your visit. Are you ready to learn more about the Colorado caves? Then read on!
- The Colorado Caves: Top 13 Things To Know
- 1. Groaning Cave – Longest Cave in Colorado
- 2. Boreas Pass Cave – Hibernaculum for Bats
- 3. Crystal Cave – Has Ancient Crystals & Geological Formations
- 4. Cave of Winds – Home to a Great Spirit of the Wind
- 5. Hogback Cave – Located on the Edge of Clear Creek Canyon
- 6. Spring Cave – Known for its Unique “Spring” of Air
- 7. Yampah Vapor Cave – One of the Largest Geothermal Colorado Caves
- 8. Rifle Mountain & Rifle Falls Caves – Home to 3 Different Bat Species
- 9. Cave Of The Winds – Show Cave with Spectacular Formations
- 10. Cottonwood Cave – Features Pictographs & Rock Paintings
- 11. Mollie Kathleen Gold Mine – Has Huge Chambers
- 12. Premonition Cave – Contains Multi-Room Sandstone Formation
- 13. Fulford Cave – Oldest Known Cave in Colorado
- Final Thoughts
The Colorado Caves: Top 13 Things To Know
Do you know Colorado has over 600 caves waiting to be explored? If you’re an adventure seeker or a lover of nature’s wonders, you’ll definitely want to experience these natural marvels. The beauty of these breathtaking sights is beyond anything you could imagine, from ancient rock formations to underground rivers.
But there are a few important things before you put on your explorer hat and head out to explore Colorado’s cave systems. That’s why we’ve compiled this guide of 13 things you need to know about the Colorado caves.
So, let’s get started and unearth the mysteries of Colorado Caves.

1. Groaning Cave – Longest Cave in Colorado
The Colorado Caves boast an impressive range of wonders and curiosities, but none so mesmerising as Groaning Cave. It is recorded as Colorado’s longest cave at nearly 12 miles long. It has a majestic limestone canyon that is said to take your breath away and make you feel like you’ve been transported into another world.
Not only that, but you’ll find a diverse array of bats residing in the depths of Groaning Cave, making it an unbeatable experience for any self-proclaimed explorer.
In addition, Groaning Cave is home to the rare and fragile groaning clam, an invertebrate species found only in this cave. This makes it a must-see for nature lovers who appreciate the special beauty of this natural habitat.
2. Boreas Pass Cave – Hibernaculum for Bats

Boreas Pass Cave is located in Summit County. It is the only known hibernaculum for bats in the state of Colorado. This means it’s an important habitat for hibernating bats during cold winter. The cave has been used by numerous species of bats over its long history, including endangered Mexican Free-tailed Bats.
Additionally, Boreas Pass Cave is the only known location in Colorado with a significant population of Big Brown Bats. This species is at risk due to environmental changes and human activity, making protecting this cave all the more important. Along with bats, other animals, such as rabbits, coyotes, and elk, can be found around the cave.
The cave is a popular spot for hikers and cavers worldwide, as it contains several large chambers with stunning rock formations. The limestone and sandstone walls of the cave are some of the most impressive and unique features among Colorado caves, making it an ideal place to explore underground.
3. Crystal Cave – Has Ancient Crystals & Geological Formations
The Crystal Cave is a stunningly beautiful replica of the state’s original limestone caves, built in 1982. The cave is filled with breathtaking crystal formations and rare geological features, making it one of the most popular Colorado caves to explore.
It is located within the Pike National Forest and offers easy access for visitors. The cave features an array of stalactites, stalagmites, helictites, and other formations. Tourists can also spot fossils embedded in the cave’s walls as they explore this natural wonderland.
In addition, you will find amazing formations such as the Curtain of Tears, a unique ceiling drip to this cave. The Crystal Cave also provides an opportunity for you to learn about the history of Colorado’s natural environment. It includes interpretive exhibits where you can observe fossils and how they form in nature.
4. Cave of Winds – Home to a Great Spirit of the Wind

The Cave of Winds in Manitou Springs, Colorado, is a must-visit destination for nature lovers and history buffs alike. It has long been revered as a sacred site by Native Americans and believed as home to the Great Spirit of the Wind.
The cave is an open-air experience that allows you to explore formations and historic sites without the need for special equipment or knowledge.
The walls of this cave are covered with intricate calcite formations, as well as many signs of human activity from the past, including old mining equipment and artifacts. You can take guided tours focusing on the cave’s geology, wildlife, and history.
Even special night tours are available with lights provided by the park to give you a better look at the cave’s formations.
5. Hogback Cave – Located on the Edge of Clear Creek Canyon
Hogback cave is a popular spot for adventure seekers and is located near the edge of the Overhanging Clear Creek Canyon. This cave has been around since the early 1900s, and its steep cliff walls make it an exciting place to explore.
Many people come here to rappel down the side of this majestic cave. If you’re up for a real challenge, try exploring the cave’s famous “Death Drop” passage.
The unique geological formations inside the cave are also a sight to behold, with spectacular rock pillars and other natural features. There’s even an area known as “The Throne Room” due to its shape and sheer size. You can spend hours exploring various features inside this cavern, and it’s a great way to experience the natural beauty of Colorado caves.
6. Spring Cave – Known for its Unique “Spring” of Air
Spring Cave, located near Loveland Pass in Clear Creek County, is renowned for its unique “spring” of air that can be felt when entering the cave. The source of this phenomenon is unknown, but some believe it to be caused by a mysterious underground reservoir far beneath the surface.
Crawling through the tight passages and exploring all the chambers is a thrilling experience. Additionally, the cave’s entrance is quite small, and the walls are covered with mud, moss, and algae. It is incredibly slippery, making navigation difficult in certain areas of the cave. Therefore, bringing a flashlight or headlamp and wearing the proper clothing is important to minimize slipping.
7. Yampah Vapor Cave – One of the Largest Geothermal Colorado Caves

Yampah Vapor Cave, located in Glenwood Springs, is an underground thermal cave that the Ute Indians once used for healing and ceremonies. It is also one of the largest geothermal Colorado Caves. The cave is heated by a natural thermal system and filled with soothing minerals that help to create an environment of relaxation and rejuvenation.
The temperature inside the cave ranges from 110 to 112 degrees Fahrenheit, and the humidity is around 95%. The cave walls are made up of travertine formations with orange, yellow, and white coloration.
You can hear the sound of steam below the surface and see small geysers bubbling near the entrance. The cave is owned by the city of Glenwood Springs and is open to visitors all year round.
8. Rifle Mountain & Rifle Falls Caves – Home to 3 Different Bat Species
These two caves in Rifle Falls State Park are a haven for cave divers and wildlife enthusiasts alike. These Colorado caves are home to three different bat species – the Townsend’s Big-eared Bat, Great Brown Bat, and Silver-Haired Bat – and offer plenty of adventure and stunning views.
Rifle Mountain and Rifle Falls offer a unique experience with their stunning formations, providing an unparalleled view of the nearby mountains. Moreover, the caves are also known for their abundant mineral deposits, and some sections contain colorful crystals and draperies for visitors to explore.
Aside from that, these Colorado caves provide a great opportunity for research and investigation into the behavior of bat populations. The Colorado Department of Parks & Wildlife also offers guided tours around these caves to both teach people about this species and observe their behavior in the wild.
9. Cave Of The Winds – Show Cave with Spectacular Formations
If you’re looking for an amazing show cave experience with spectacular formations, then the Cave of the Winds is a must-see. Located near Manitou Springs, this cave has been open to visitors since 1881 and offers guided tours as well as self-guided options through its winding passageways.
This cave features some of the state’s most impressive and intricate formations, including strata, pillars, and more. The lights illuminating the cave’s grandeur are powered by hydroelectricity generated from a nearby mountain stream.
Moreover, the Cave offers a wide range of activities for all levels of adventurers, from guided tours to caving classes and even rappelling and zip lining.
10. Cottonwood Cave – Features Pictographs & Rock Paintings
Cottonwood Cave is one of the oldest and most beautiful of all Colorado caves. Located at the base of Mount Evans in Clear Creek County, Cottonwood Cave takes visitors through a unique underground landscape full of breathtaking formations and stunning scenery. The cave was excavated in 1947 by Clarence T. Hurst, looking for silver ore, but it has since become a popular destination for recreational cavers.
The cave has several pictographs, or rock paintings, depicting animals, people, and abstract symbols. The pictographs are estimated to be around 1500 years old and are believed to have been created by the Ancestral Puebloans.
Although Cottonwood Cave has no official trails or pathways, there are plenty of exploration opportunities for more experienced cavers. You can even rappel down one of the deeper chambers nearly 200 feet deep.
11. Mollie Kathleen Gold Mine – Has Huge Chambers
Mollie Kathleen Gold Mine has been a popular destination for thousands of years and remains one of the most spectacular Colorado caves. Located near Victor, Colorado, this cave was first explored in 1891 and is known for its huge chambers, natural beauty, and intricate geology. Named after the owner’s daughter, who died in a cave-in, the Mollie Kathleen Gold Mine is both steeped in history and mesmerizingly beautiful.
The underground system of this Colorado cave is divided into two main areas – an upper level at 600 feet below ground and a lower level that extends down to 1000 feet. As you explore the chambers, you’ll be able to see the mining equipment used to extract precious ore from the earth.
12. Premonition Cave – Contains Multi-Room Sandstone Formation
Premonition Cave is the largest sandstone cave in Colorado and one of the state’s most impressive natural wonders. It boasts a vast network of chambers, each with its own unique features. The Cave is also home to some of the state’s most varied wildlife, from blind cave beetles and crayfish to rare bats.
Additionally, the cave has long been a source of mystery, with Native American tribes believing it held special prophetic powers. As an added bonus, rock climbers can often be seen scaling the sandstone walls of Premonition Cave’s chambers. As soon as you walk through its many rooms, you will understand why – its colors, textures, and shapes are unparalleled.
13. Fulford Cave – Oldest Known Cave in Colorado

Fulford Cave, located 15 miles southeast of Eagle in the White River National Forest, is one of the oldest known Colorado Caves. Discovered and named by a local rancher, Fulford Cave has been estimated to be around 8 million years old. It is believed that prehistoric humans used the cave for shelter and spiritual ceremonies.
Today, Fulford Cave is a protected geological and archaeological site. Visitors are able to explore the cave’s numerous chambers, passages, and formations while admiring its unique beauty.
The limestone walls are adorned with ancient pictographs, believed to be painted by the Ute Indians and other native tribes. The cave also contains a wide variety of fauna, including salamanders and crayfish. Fulford Cave is open to the public for tours led by experienced guides. Additionally, you’ll get to experience the beauty of this historic cave and learn about its fascinating history.
Final Thoughts
The Colorado Caves are a natural wonder that provides countless opportunities for exploration and education. Stunning geological formations and unique wildlife make these majestic caverns a must-see for any traveler. Though there is danger associated while exploring cave systems – prior knowledge and safety precautions can help ensure an enjoyable experience.
With a bit of planning and preparation, a trip to the Colorado Caves is sure to be filled with unforgettable memories. So what are you waiting for? Make your way to Colorado and explore one of nature’s hidden gems.
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