Bracken Bat Cave in Comal County, between Bulverde and Garden Ridge, Texas

Bracken Cave Bat Experience


August 27, 2024: Experience the spiraling emergence of over 15 million Mexican free-tailed bats—the largest bat colony on the planet—as they begin their evening hunt.

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Bracken Bat Cave in Comal County, between Bulverde and Garden Ridge, Texas

Bracken Cave Bat Experience


September 6, 2023: Experience the spiraling emergence of over 15 million Mexican free-tailed bats—the largest bat colony on the planet—as they begin their evening hunt.

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Bracken Bat Cave in Comal County, between Bulverde and Garden Ridge, Texas

Bracken Cave Bat Experience


September 21, 2022: Experience the spiraling emergence of over 15 million Mexican free-tailed bats—the largest bat colony on the planet—as they begin their evening hunt.

Read More

Bracken Bat Cave in Comal County, between Bulverde and Garden Ridge, Texas

Bracken Cave Bat Experience


September 22, 2021: Experience the spiraling emergence of over 15 million Mexican free-tailed bats—the largest bat colony on the planet—as they begin their evening hunt.

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Double Decker Cave, near proposed site of Vulcan quarry in Comal County, Texas. Photo courtesy David Ochel.

Quarries Pose a Risk to Local Caves, Water


Landowners discover new chamber in Double Decker Cave, in Comal County, Texas between proposed Vulcan quarry site and Natural Bridge Caverns.

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Bracken Bat Cave in Comal County, between Bulverde and Garden Ridge, Texas

Bracken Cave Bat Experience


September 11, 2019: Experience the spiraling emergence of over 15 million Mexican free-tailed bats—the largest bat colony on the planet—as they begin their evening hunt.

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Woman speaking at public meeting

Resources & Documents


Helpful resources, documents, and tools for protecting our families, preserving our beautiful Hill Country environment, and fighting the proposed Vulcan Materials quarry in Comal County.

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