Colossal Cave Mountain Park is a maze of winding passageways makes up the subterranean landscape of Colossal Cave, that spans to 2,400-acres. This cave is huge! There are about 3.5 miles of mapped passageways and many miles of natural tunnels yet to be fully explored. Inside, the temperature is always 70 degrees.
There are many tours to choose from depending on your adventure and skill level. From day and night tours, a candlight tour for you to explore the cave like how the explorers did in 1879, and even the classic tour, which is about 45 minutes and is half a mile.
Age requirement depends on the type of tour you go on, but children as young as 5 can go on the classic tour.