Natural Bridge Caverns, at 26495 Natural Bridge Caverns Road near San Antonio, takes you about 180 feet below ground on guided walks through limestone chambers. The Discovery Tour passes stalagmites, stalactites, flowstone, chandeliers and delicate soda-straw formations, lit to help reveal their shapes. Above ground, you can add a ropes course, zip rails, an outdoor maze or gem mining to your visit. The cave is warm and very humid, and the walking routes include steps and inclines, so wear shoes with good grip and dress for the conditions.
What to see underground

The guided Discovery Tour takes you through chambers around 180 feet below the surface. Along the route, look for stalagmites, stalactites, flowstone, chandeliers and soda-straw formations. Lighting helps bring out the shapes in the limestone, and guides explain the geology and history of the caverns as you walk.
The path includes steps and inclines. Some sections can be wet, so footwear with good traction is useful. The air is warm and exceptionally humid, a noticeable change from the cooler conditions some people expect underground.
Choosing a tour

Natural Bridge Caverns has several guided tour options, including the Discovery Tour and Hidden Wonders. The Discovery route is a walking tour through developed paths; other experiences can take you into less-developed sections of the cave. Check the tour details before booking so you can choose an outing that suits your interests and comfort with physical activity.
Some adventure tours involve crawling through tight spaces or climbing over rocks. These are a different kind of visit from the paved walking route, and reservations may be required. Tour lengths and physical demands vary, so check the current details when selecting a time.
Activities above ground
The visit can continue after the cave tour. Above-ground activities include gem mining, an outdoor maze, and ropes and zip-rail courses. Souvenir shops are also on site, and food and snacks are available for purchase. If you are visiting with children, these activities give you options for extending the stop beyond the underground walk.
Natural Bridge Caverns is at 26495 Natural Bridge Caverns Road, near San Antonio. You can plan a cave tour and surface activities together, but allow time for the tour you book and check the activity details before arrival.
Getting ready for the visit
Reserve tickets in advance if you have a preferred tour time. The parking lot charges a fee, and a posted QR code provides an option to pay online. Since the cave is humid and the walking paths may be wet, choose light clothing and shoes with a firm grip.
The Discovery Tour usually takes about an hour to an hour and 15 minutes. The walk involves steps and inclines, so consider the route’s physical demands when planning for anyone in your group with walking limitations. Tour schedules and activity availability can differ, so confirm current information with the caverns before setting out.
Preguntas frecuentes
How long does the Discovery Tour take?
The guided walk takes about an hour to an hour and 15 minutes.
How deep are the caverns?
The tours descend to about 180 feet below the surface.
What should I wear to Natural Bridge Caverns?
Wear light, comfortable clothing and shoes with non-slip soles. The cave is very humid, and paths include steps and inclines that can be wet.
Is parking free?
No. Parking is paid, and a QR code posted in the lot can be used to pay online.
