Features 75-minute guided tour and adventure trips. Includes description of formations, photos, hours, rates, discount coupon and contact information. Gift shop and picnicking on premises. Located north of San Antonio.

Includes geology, history, description of rooms, hours, rates, discount coupons, group tour reservations, gift shop, nearby attractions and contact information. Located in San Marcos.

Offers guided one-hour tour of six formation rooms. Includes hours, rates, discount coupon, photo gallery and contact information. Located near Boerne.

Offers 85-minute guided tours and wild cave trips. Includes hours, rates, schedule of events, exhibit center, gift shop and contact information. Located in Burnet.

Information on caverns located in Texas that are open to the public.

Includes description of several tours offered, hours, history, photo gallery, gift shop, directions and contact information. Located 8 miles west of Sonora, off I-10.

Guided tour lasts 45 minutes to one hour and features 100' waterfall. Includes history, hours of operation, rates, photos, map and contact information. Located in Boerne.

Offers guided, 75-minute tours. Includes hours, ticket prices, coupons, online educational programs, mining and contact information. Located in Georgetown.