Best Caverns In Texas & Caves Near Austin For Cave Tours

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Looking for caverns in Texas? Want to explore the best caves in Texas? Luckily, there’s a great mix of both near Austin!

While often used interchangeably, a cave is a naturally occurring cavity in the ground large enough for a human to enter, whereas a cavern is a larger type of cave, typically featuring expansive open chambers and intricate rock formations.

Whether you are hunting for underground adventure, cool relief from the summer heat, or thrilling bat flight viewing, Central Texas is home to world-class subterranean wonders.

Editor’s Note: We work hard to provide you with accurate and up-to-date information. However, all details are subject to change. Please verify information before heading out.

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Also, check out our articles on the Best Austin Parks, Best Horseback Riding in Austin, Austin Lakes, and Waterfalls in Texas.

Caverns in Texas: Top Commercial Caverns Near Austin

Inner Space Cavern

Image credit: Inner Space Cavern

A highway crew accidentally found the Inner Space Cavern in 1963 when their drill bit dropped 26 feet into nothing.

The cave had been sealed off from the surface for over 10,000 years at that point, which is exactly why what’s inside is so extraordinary.

Animals that fell in during the Ice Age couldn’t get out, and the sealed environment kept everything intact. The fossil record they pulled from this cave includes a baby mammoth, saber-toothed cats, giant ground sloths, glyptodonts (an armadillo the size of a Volkswagen), camels, spectacled bears, and dire wolves.

You’ll be able to see these fossil exhibits at the end of the tour.

The cave itself runs nearly five miles and is still a living system with flowstone, cave bacon, and soda straws, all actively growing.

The Adventure Tour covers about a mile on a paved and lit trail. Meanwhile, the Hidden Passages Tour will take you through darker, less-developed sections with a flashlight and no paved trail.

The Wild Cave Tour requires crawling through unlit passages with just a helmet and headlamp.

For any of these, it’s best to book online in advance. Same-day online tickets aren’t available, and the Hidden Passages Tour is first-come, first-served with limited spots.

When: Daily: 9:00 am – 5:00 pm
Where: 4200 S I-35 Frontage Rd, Georgetown, TX 78626
How Much: Starts at $18.95
Driving time from Austin: 31 min.

Longhorn Caverns State Park

Image credit: Longhorn Caverns State Park

Every other cave on this list was shaped by dripping water. Longhorn was carved by an ancient underground river that raged through the limestone and left behind something that looks nothing like a typical cave.

The walls are smooth and rounded, almost polished, rippling like a frozen slot canyon. It’s also one of only two publicly accessible river-formed caves in the United States.

Then there’s the history behind the cavern. The Comanche used it for shelter. Confederate soldiers mined bat guano from the walls for gunpowder during the Civil War. Sam Bass and his gang hid here.

During Prohibition, someone installed a ballroom 130 feet underground and ran a nightclub with live big-band music. Later, the federal government stocked it as a licensed nuclear fallout shelter for nearly 2,000 people. Your guide covers all of it.

Take note: tours sell out on weekends. Book ahead through their official website.

When: Daily: 9:00 am – 6:00 pm
Where: 6211 Park Road 4 S, Burnet, TX 78611
How Much: Starts at $17.25
Driving time from Austin: 1 hr. 16 min.

Natural Bridge Caverns

In 1960, four college students from San Antonio squeezed through a narrow crawlspace on a ranch north of the city on their fourth attempt to find what was underneath. They emerged into a room no human had ever seen, then another, then another.

Eight hours later, they surfaced covered in mud, and what they’d found was the largest cavern system in Texas.

The Wuest family has owned and operated Natural Bridge Caverns ever since, and they’ve never stopped exploring it.

As recently as 2019, a team spent 13 hours crawling through mud and tight passages to discover 600 additional feet of cave, the biggest find in over 50 years. There are still sections of this cave that only a handful of people have ever seen.

On the Discovery Tour, you’ll get to see the Hall of the Mountain King, which is 350 feet long, 100 feet wide, and 100 feet high- a football field with a ten-story ceiling- and the formations inside it are monumental: towering columns, massive flowstone sheets, emerald pools.

The Hidden Wonders Tour explores a second cavern with formations that grow right up to the edge of the trail, and ends in the Ballroom, 180 feet underground and the deepest performance venue in Texas.

If you want the best deal, book early. Natural Bridge uses demand-based pricing, so the earlier you buy, the less you pay.

When: Park hours: 8:30 am – 5:30 pm | Attraction hours vary
Where: 26495 Natural Bridge Caverns Rd, San Antonio, TX 78266
How Much: Starts at $28.50
Driving time from Austin: 1 hr. 10 min.

The Cave Without a Name

Image credit: The Cave Without a Name

In 1939, a local boy won the naming contest for a newly discovered cave near Boerne. But he declared that: “The cave is too pretty to have a name,” so that’s been its name ever since.

The cave sits 11 miles northeast of Boerne on a rural road and has been open since 1939. The 126 steps down (about eight stories) bring you into rooms packed with soda straws, flowstone, rimstone pools, cave drapery, and a type of calcite “grapes” that has only ever been observed in this specific cave.

But here’s what you should watch out for. Roughly once a month, musicians perform concerts in the Queen’s Throne Room, 80 feet underground. The natural dome acoustics in that room are something professional musicians specifically travel to play in.

Past performances have included classical ensembles, chamber quartets, world music, and Halloween shows played in total darkness. If you can time a visit around a concert night, you’ll have experienced a truly once-in-a-lifetime event for millions.

When: Daily: 9:00 am – 6:00 pm
Where: 325 Kreutzberg Rd, Boerne, TX 78006
How Much: Adults: $23.00 | $21 for military/ senior | $11.50 for kids aged 6 – 12 | Free for kids under 6
Driving time from Austin: 1 hr. 45 min.

Caverns of Sonora

The founder of the National Speleological Society visited once and said: “This is the most indescribably beautiful cave in the world. Its beauty cannot be exaggerated, not even by a Texan.” And he wasn’t just being nice.

What makes Sonora different from every other cavern near Austin is the helictites covering the walls. These are rare crystalline formations that defy gravity, twisting sideways and spiraling upward instead of hanging straight down.

Most caves have a few. The Caverns of Sonora has them on nearly every surface, floor to ceiling..One section is so packed with them it’s called the “Snake Pit.”

The cave also has soda straws over three feet long, cave bacon, angel wings, and the remnants of its most famous formation: the Butterfly, two fishtail helictites growing from the same point on the cave wall, forming wings. It was the only known formation of its kind in the world until a visitor broke part of it off in 2006.

Tours are capped at 12 people, run about an hour and 45 minutes, and cover two miles of trail through five levels of the cave. And the best part, they have homemade fudge at the gift shop. Get some.

When: Daily: 8:00 am – 6:00 pm
Where: 1711 Private Rd 4468, Sonora, TX 76950
How Much: Starts at $18
Driving time from Austin: 3 hr. 30 min.

Cascade Caverns

Cascade has been open since 1932, which makes it the oldest continuously operating show cave in Texas. Informal candlelit tours were already running here as far back as the 1870s.

It’s also a living cave, with 95% of its formations still actively growing, and the DownUnder Tour moves through five rooms descending 132 feet underground.

But what you should really watch out for is its waterfall. It’s the only underground waterfall in Texas, and it drops 100 feet in a dimly lit room at the cave’s lowest point. There were originally seven waterfalls inside, but six dried up during a drought in the 1950s.

The cave itself also sits at the lowest elevation point in the county, which means it floods during heavy rains and occasionally closes temporarily. Check their social media before making the drive if there’s been significant rainfall in the Hill Country recently.

As you move through the cavern, guides will point out cave salamanders found nowhere else, resident bat colonies, cave crickets, and beetles. Just wear shoes with real traction. The walkways are slick.

When: Daily: 10:00 am – 4:00 pm
Where: 226 Cascade Cavern, Boerne, TX 78015
How Much: Starts at $14.95
Driving time from Austin: 1 hr. 38 min.

Best Caves in Austin & Natural Cave Parks

Colorado Bend State Park

If you’ve ever wondered what actual caving feels like, Colorado Bend is where you find out. The park has over 400 known caves across 5,300 acres of Hill Country two hours from Austin, and none of them have been lit, paved, or developed.

You go in with a headlamp, a helmet, and a guide, and that’s the full setup.

The Adventure Tour, in particular, involves real hands-and-knees crawling, belly crawling through tight squeezes, and getting thoroughly muddy. The only light in the cave is what you brought with you.

Above ground, the park also has Gorman Falls, a 70-foot travertine waterfall fed by spring water, with formations still actively growing in shades of green and gold. Pair the falls hike with a wild cave tour and you’ve got one of the best full outdoor days within driving distance of the city.

When: Daily: 6:00 am – 10:00 pm
Where: 2236 Park Hill Dr, Bend, TX 76824
How Much: $5 for adults | Free for kids 12 and under
Driving time from Austin: 1 hr. 44 min.

Wonder World Cave and Adventure Park

Image credit: Wonder World Cave and Adventure Park

The Balcones Fault cracked the earth open here about 30 million years ago, and what you walk through on this tour is a fissure, a dry, earthquake-formed fracture in the bedrock, and it’s the only one open to the public in the United States.

Because no water carved this cave from above, there are no stalactites or stalagmites. What’s here instead are tilted rock strata shoved sideways by seismic pressure, boulders suspended mid-air that haven’t moved since the earthquake stopped, fossilized prehistoric marine life in the walls, and the fault line itself visible in the ceiling the entire time you’re underground.

At the cave’s lowest point, you’ll be looking down into the clear waters of the Edwards Aquifer, the underground reservoir that supplies drinking water across Central Texas. And because it’s a dry-formed cave, you’re allowed to touch the walls.

The tour exits through an elevator, the “Stratavator,” that takes you up into a 190-foot observation tower where you can see the Balcones Fault Line snaking across the landscape. Hill Country on one side, coastal plains on the other.

If you’re bringing the kids, it’s worth getting the All-In-One ticket, which gets you the cave, the anti-gravity house, the tower, and a train ride to a wildlife petting area.

When: Daily: 10:00 am – 6:00 pm except Saturday | Saturdays: 10:00 am – 7:00 pm
Where: 1000 Prospect St, San Marcos, TX 78666
How Much: Starts at $21
Driving time from Austin: 40 min.

Kickapoo Cavern State Natural Area

Kickapoo is for people who don’t mind doing the work to get somewhere most people haven’t been.

Inside the cave, there’s a column, a stalactite and a stalagmite that fused over millions of years, that stands 25 meters tall. It’s one of the largest known cave columns in Texas, and you see it by headlamp in a completely undeveloped cave with no installed lighting and no paved path.

The Saturday guided tour is limited to 10 people, runs three hours, and requires solid hiking shoes and two light sources per person. It is physically demanding but seeing that column in the dark, lit only by what you carried in, is the kind of thing you don’t forget.

Stuart Bat Cave is right nearby and houses thousands of Mexican free-tailed bats from mid-March through October. The evening bat flight here happens in near-total solitude, so the view will all be yours.

When: Friday – Sunday: 7:00 am – 10:00 pm | Monday: 7:00 am – 4:30 pm
Where: 20939 Ranch to Market Rd 674 N, Brackettville, TX 78832
How Much: $3 for adults | Free for kids 12 and under
Driving time from Austin: 3.5 hrs.

Devil’s Sinkhole State Natural Area

The opening of the Devil’s Sinkhole is 40 by 60 feet. That sounds big until you learn what comes after it: a 140-foot vertical shaft that opens into a cavern over 300 feet across and nearly 350 feet deep. The entire Texas State Capitol building would fit inside.

From late spring through early fall, roughly 3 million Mexican free-tailed bats roost in the walls of that cavern. Every evening at dusk, they emerge through that opening in a column that keeps spiraling out for hours.

You can even watch from a platform directly over the opening.

Access is by guided tour only through the Devil’s Sinkhole Society.

When: Only accessible by scheduled tours
Where: Rocksprings, TX 78880
How Much: Access by reservation only
Driving time from Austin: 3 hrs. 15 mins.

Bracken Cave Preserve

There is no bat experience in North America like Bracken Cave. Over 15 million Mexican free-tailed bats spend the summer here, the world’s largest known bat colony, and the nightly emergence at dusk lasts up to 45 minutes.

The sound of 15 million wings is even audible from the viewing area before the column becomes visible above the cave entrance.

Access is entirely through pre-booked tickets. They also sell out every year, often within hours. If you miss the window, join the waitlist. Don’t lose hope as spots do open up.

When: Daily: 8:00 am – 6:00 pm
Where: 7515 Bracken Cave Rd, San Antonio, TX 78266
How Much: Not stated
Driving time from Austin: 1 hr. 16 mins.

Frio Bat Cave

The second-largest bat colony open to the public in the world lives on a private ranch near Concan. Here, you’ll find 10 to 12 million Mexican free-tailed bats roosting from March through September in two deep caves. Every evening at dusk, they stream out in ribbons over the Hill Country sky and keep coming for hours.

You will follow the guide in your car two miles down a ranch road, hike a short hill, and end up at a tiered viewing area cut directly into the terrain above the cave openings. So, the bats come out over your head.

Most evenings, hawks and kestrels and falcons are already circling before the first bats appear and you can watch them dive into the column for a meal.

If you’re already heading to Concan for the Frio River, this is a great addition to the trip. Tours are nightly at dusk from March through September and require reservations.

When: 7:30 pm on select dates
Where: Farm to Market 2690, Concan, TX 78838
How Much: Starts at $12
Driving time from Austin: 2 hrs. 34 mins.

Know Before You Go: Exploring Texas Caves

While many of these popular caverns in Texas are located outside the immediate Austin municipal limits, they remain quickly accessible for residents across Greater Austin, including suburbs like Georgetown, Round Rock, Cedar Park, and San Marcos.

Temperature: Commercial caverns in Central Texas stay at a constant 68°F to 72°F year-round. Bring a light sweater or jacket even in peak summer.
Footwear: Wear sturdy closed-toe shoes with non-slip rubber soles. Underground paths are often damp and slick.
Reservations: Wild cave crawling adventures and seasonal evening bat flight tours fill up fast and require advance online reservations.

Common Questions about Caverns in Texas

What is the best cavern in Texas?

While subjective, Natural Bridge Caverns is widely recognized as the most extensive commercial cave system in the state, while Caverns of Sonora is internationally world-renowned for its density of delicate helictite formations.

What is the biggest cavern in Texas?

Natural Bridge Caverns near San Antonio holds the record as the largest known commercial cavern system in Texas.

How many caverns are there in Texas?

Texas contains over 10,000 recorded caves and caverns, though only a select group (around seven major show caverns) are open to the general public for commercial walking tours.