Good for one full year from the date of purchase. All visitors to Carlsbad Caverns are required to purchase an Entrance Fee ticket. The tour departs from the underground rest area. One Time Easy walking, with lanterns. If you have a fear of heights or difficulties with ladders, you may wish to consider visiting Left Hand Tunnel instead.
Darkness is broken only by the flashlights and headlamps of rangers and tour.
Sturdy hiking shoes, large flashlights with fresh batteries, and water are required. All tour participants must be age 6 or older. Spider Cave is a three-dimensional maze cave, a caver's paradise. Even veteran cavers will enjoy this adventure. All backcountry users are required to obtain a free backcountry use permit at the visitor center.