Natural Bridge Caverns, largest in Texas, opens to public

July 3rd, 1964

On this day in 1964, Natural Bridge Caverns, the largest known cavern in Texas, was opened to the public. The cavern was discovered on March 27, 1960, by four spelunkers who were students at St. Mary's University in San Antonio. It is located off Farm Road 1863 in the hill country of Comal County midway between New Braunfels and San Antonio. The name was derived from a sixty-foot natural limestone slab bridge that spanned the amphitheater setting of the cavern's entrance. The developed portion of the cave, furnished with a half mile of paved trails and illuminated by 35,000 watts of indirect lighting, extends to as much as 260 feet below ground level. Natural Bridge Caverns became a registered United States natural landmark in 1971.

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Natural Bridge Caverns, largest in Texas, opens to public

July 3rd, 1964

On this day in 1964, Natural Bridge Caverns, the largest known cavern in Texas, was opened to the public. The cavern was discovered on March 27, 1960, by four spelunkers who were students at St. Mary's University in San Antonio. It is located off Farm Road 1863 in the hill country of Comal County midway between New Braunfels and San Antonio. The name was derived from a sixty-foot natural limestone slab bridge that spanned the amphitheater setting of the cavern's entrance. The developed portion of the cave, furnished with a half mile of paved trails and illuminated by 35,000 watts of indirect lighting, extends to as much as 260 feet below ground level. Natural Bridge Caverns became a registered United States natural landmark in 1971.

«   Previous Next   »

Related Handbook of Texas Articles

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Share the Texas Day by Day

Get a Piece of Texas History in Your Inbox

With more than 27,000 articles about Texas history, the Texas State Historical Association's Handbook of Texas is the largest online encyclopedia about all things Texas. Now you can celebrate the history of Texas every day by activating your free subscription to Texas Day by Day. Each day's email tells a little bit more of the story of Texas and links to our collection of more than 27,000 articles. It's one of the best ways to learn more about Texas history — in only 15 minutes a day!

Activate your free subscription to Texas Day by Day and you can:

  • Explore Texas history each day in bite-sized pieces conveniently delivered to your inbox each morning
  • Astound your friends with your Texas history prowess
  • Get in-depth looks at some of the overlooked events and landmarks in Texas history
  • Discover new places to explore in the Lone Star State
Get your Texas Day by Day delivered straight to your inbox: