Devil's Sinkhole State Natural Area

Just northwest of San Antonio, this unique natural area offers a spectacle that's hard to match. As the sun sets on warm nights, a mesmerizing scene unfolds: about 3 million Mexican free-tailed bats emerge in a swirling mass from the Devil’s Sinkhole, embarking on their nocturnal quest for food. It's estimated that this colony devours up to 30 tons of beetles and moths every single night! But the allure of Devil's Sinkhole camping doesn't stop at the bats. The area spans 1,860 acres and offers guided nature walks and birding tours, ensuring that nature enthusiasts have plenty to explore. The main attraction, the Devil’s Sinkhole itself, is a National Natural Landmark. This massive cavern boasts a 50-foot wide shaft that plunges 140 feet down. The cavern's diameter stretches over 320 feet, and it delves a staggering 350 feet deep. While visitors aren't allowed inside to protect its delicate ecosystem, the sheer magnitude of the sinkhole is awe-inspiring from the surface. For those eager to witness nature's marvels, Devil's Sinkhole State Natural Area is an adventure waiting to unfold. Just remember, access is by guided tour only, so make your reservations and get ready for an unforgettable experience! If you're looking to extend your adventure with camping near Devil's Sinkhole, Kickapoo Cavern State Park is a gem. Not only does it offer its own evening bat flight viewings in the summer, but campers can also indulge in hiking, mountain biking, birding, and intriguing cave tours.