Mantle's Cave is located in Dinosaur National Monument in northwestern Colorado, just south of the Yampa River. It is a large, vaulted, north-facing cave 100 m long x 40 m wide x 33 m in height, ...

Cave of the Winds Mountain Park is located about 10 miles northwest of downtown Colorado Springs; it's 2 miles north of Manitou Springs and 3 miles north of Red Rock Canyon Open Space. It's open ...