Discovered March 27, 1960, by four students of St. Mary's University, San Antonio. Named for the rock bridge that marks entrance. Dedicated on August 5, 1964 by Governor John Connally. Of early cretaceous age; still forming. Site of artifacts from 5000 B.C., and human remains at least 8,000 years old; also Indian campsites. 1967
Getting there
29.6925, -98.3422
Locations are approximate and may be inaccurate, on private land, or otherwise inaccessible. Check before you travel.
Hear it from the road
Whistlestop tells you this story automatically when you drive past. No searching, no tapping, nothing to ask.
