At Glenwood Caverns Adventure Park. Glenwood Caverns (formerly called the Fairy Caves) is an extensive cave system located in Glenwood Springs, Colorado. The Caverns are now part of the Glenwood Caverns Adventure Park, a popular Colorado tourist attraction. The caves are accessed by a 4,300-foot (1,300 m) cable car ride which takes visitors to the top of Iron Mountain. The park offers a 70 minute guided walking tour suitable for all ages. Tickets are $25.00.