Carlsbad Caverns National Park in southeastern New Mexico contains one of the world's most extensive and spectacular cave systems, with over 119 known caves carved through the Permian Reef limestone of the Guadalupe Mountains. Beyond the main paved self-guided tour circuit, the National Park Service offers ranger-led Wild Caving tours that take small groups into undeveloped cave passages, providing a fundamentally different experience from the illuminated walking tour: participants crawl, climb, and squeeze through natural cavern formations while wearing helmets and headlamps.
The Hall of the White Giant tour is the park's most demanding Wild Caving program, covering 1.25 miles of rough terrain including extended belly crawls, strenuous climbs, and passages narrow enough to require turning sideways. The tour descends approximately 750 feet below ground and takes 3.5 to 4 hours to complete. Participants must be at least 10 years old, physically fit, and free from claustrophobia; the NPS requires prospective participants to fit through a 9-by-18-inch opening as a suitability test. A second program, Lower Cave, offers a less physically demanding alternative—still a Wild Caving experience but without the most strenuous crawl sections.
The main self-guided Big Room tour, by contrast, is a paved 1.25-mile loop 750 feet underground accessible to most visitors including those with limited mobility via elevator. The Big Room is the largest cave chamber by volume in North America, measuring 4,000 feet long and 625 feet wide. Cave temperature remains a constant 56°F (13°C) year-round regardless of surface conditions.
Reservations for all Wild Caving tours are required and fill weeks in advance, particularly for summer and holiday visits. Tickets can be booked through Recreation.gov. General cave entry is $15 per adult; Wild Caving tours cost an additional $7–$10 per person. Kneepads are strongly recommended for Wild Caving programs and are not provided. May through October is the optimal visit window, with the added attraction of the evening bat flight—a seasonal phenomenon where up to 400,000 Brazilian free-tailed bats emerge from the cave entrance at dusk.
Activity facts
- Where
- Carlsbad Caverns National Park, Eddy County, southeastern New Mexico
- Duration
- 2-4 hours (guided Wild Caving tours)
Equipment
- Closed-toe shoes required
- Helmet and headlamp provided for Wild Caving tours
- Knee pads recommended
Location
727 Carlsbad Caverns Hwy, Carlsbad, NM 88220
32.1479, -104.5567 View on map
Highlights
- Crawl, climb, and squeeze through undeveloped cave passages on the Hall of the White Giant Wild Caving tour
- Walk the largest cave chamber by volume in North America on the self-guided paved Big Room loop
- Witness the summer evening bat flight when up to 400,000 Brazilian free-tailed bats emerge from the natural entrance at dusk
- Explore a World Heritage Site containing over 119 caves carved through 265-million-year-old Permian Reef limestone
- Descend 750 feet underground to a constant 56°F environment regardless of surface temperatures
Tips for visiting
- Reserve Wild Caving tours through Recreation.gov as soon as dates open—Hall of the White Giant books out weeks ahead
- Bring kneepads for Wild Caving tours; they are not provided and the cave floor is sharp limestone
- Wear closed-toe shoes with ankle support for any tour; sandals and open-toed shoes are prohibited underground
- Arrive for the evening bat flight at least 30 minutes before sunset and check with rangers for the current schedule
- Arrive in the morning on summer days to avoid peak afternoon crowds in the Big Room
Frequently asked questions
Can children participate in Wild Caving tours?
Children 10 and older may join the Hall of the White Giant tour if they are physically fit and pass the entrance suitability test (fitting through a 9×18-inch opening). The Lower Cave tour has a younger minimum age; confirm requirements with the park.
Is equipment provided for Wild Caving tours?
Helmets and headlamps are provided by the NPS. Participants should bring or purchase kneepads and wear appropriate closed-toe footwear. Old clothes that can get dirty and muddy are strongly recommended.
Do I need a reservation for the self-guided Big Room tour?
Timed entry reservations are recommended in summer peak season. Off-peak visits during winter and spring weekdays typically allow walk-in entry.
What is the cave temperature and how should visitors dress?
The cave maintains a constant 56°F (13°C) year-round. Bring a light jacket or fleece layer regardless of the surface weather conditions outside the park.
Is the main cave tour wheelchair accessible?
The paved Big Room tour and the elevator entry are wheelchair accessible. Wild Caving tours involve rough, uneven terrain and are not accessible for visitors with mobility limitations.