What to See at Carlsbad Caverns

The cave highlights, ranger tours, and how to plan around them

By Chris Hayworth, Nestward

Carlsbad Caverns is one of more than 119 caves hidden under the Chihuahuan Desert of southern New Mexico, formed when sulfuric acid slowly dissolved the limestone away. The desert above is pretty in its own quiet way, but almost everyone comes for what's underground. The good news is the best parts are open to anyone willing to walk a paved (if steep) trail. Here's what's actually worth your time, and how to fit it into a day.

The two main routes: the Big Room and the Natural Entrance

If you only do one thing, do the Big Room. It's a roughly 1.25-mile loop on a mostly flat paved trail through the largest single cave chamber in North America, and it's where the postcard formations live: the Hall of Giants, the Chandelier, the towering domes. You take an elevator 750 feet down from the visitor center to reach it, and the same elevator back up when you're done. Plan on about 1.5 hours at an unhurried pace.

The Natural Entrance trail is the other self-guided option, and it's a different experience. You walk in through the cave's original mouth and switchback down 750 feet over about a mile, the equivalent of descending a 75-story building. It's steep, the footing is slick in spots, and there's no shortcut back: you finish at the bottom and take the elevator up. Strong walkers love it. If you have wobbly knees or young kids, take the elevator down instead and save your legs for the Big Room.

• Best of both: hike down the Natural Entrance, then loop the Big Room, then ride the elevator out.
• Easiest: elevator down, Big Room loop, elevator up.

Ranger-guided tours (book these ahead)

The self-guided routes are great, but the ranger tours take you into places you can't otherwise reach. These sell out. Reserve on Recreation.gov before you arrive, not at the desk.

• King's Palace Tour: the most popular guided option, visiting four ornately decorated chambers including one of the deepest in the cave open to visitors. Good for first-timers who want more than the Big Room.
• Lower Cave Tour: a more adventurous descent using ladders and a knotted rope into a section explorers mapped back in the 1920s. The trail is narrow and unpaved; anyone under 16 must be with an adult.

Bring closed-toe shoes with grip for either one. Some tours hand out helmets and headlamps.

The bat flight, a true highlight in season

From late spring through October, hundreds of thousands of Brazilian free-tailed bats stream out of the Natural Entrance at dusk to hunt. There's a stone amphitheater at the cave mouth and a free ranger program most evenings in season. It's first-come, no reservation, and well worth staying for. Two caveats: the timing shifts with the season and the bats keep their own schedule, so check the day's program at the visitor center. Phones and cameras aren't allowed during the flight, because they disturb the bats.

If you have extra time above ground

Most visitors come and go for the cave, but the desert has a few worthwhile stops:

• Walnut Canyon Desert Drive: a scenic, mostly one-way gravel loop with desert views and pullouts, slow and a little rough, but quiet.
• Chihuahuan Desert Nature Trail: a short, easy paved loop near the visitor center, good for kids and a stretch of legs.
• Rattlesnake Springs Picnic Area: a shady, spring-fed oasis a short drive away that's one of the best birdwatching spots in the region.

This is also a certified dark-sky park with night-sky and stargazing programs. 278 sunny days a year tends to mean clear nights too.

Planning notes that save headaches

• Two things to buy: a $1 timed-entry reservation (sets your cave entry window) plus a $15-per-person entrance pass. Get the timed reservation in advance.
• Getting there: the park sits at the end of a scenic 7-mile road off US 62/180 at White's City, about 27 miles from the town of Carlsbad and 145 miles from El Paso. It's remote. Fuel up and pack water.
• Temperature: the cave stays around 56°F year-round, so bring a layer even when it's 100°F up top. Summers in the desert are genuinely hot.
• Hours: the park is open 24 hours, but the visitor center and cave entry run on a tighter schedule (commonly 9:00 AM–2:30 PM for last entry) and the park closes Thanksgiving, Christmas, and New Year's Day. Confirm current hours before you go.
• Kid pacing: the Big Room via elevator is very doable for most kids; skip the Natural Entrance descent with little ones. The Junior Ranger booklet keeps them engaged in the dark.