Self-Guided Cave Tours
The basic cavern entry is by way of two self-guided routes—the Big Room Route and the Natural Entrance Route. Tickets are sold at the visitor center each day, except December 25. Entrance fee tickets are good for three days, but do not include guided or other special tours. Summer hours are in effect from Memorial Day through Labor Day.
Did You Know?
Most of the formations—or speleothems—found inside Carlsbad Cavern today were active and growing during the last ice age when instead of having a desert above the cave, there were pine forests.