Things To Do In Fredericksburg

July 10, 2016

Bat Emergence

The abandoned railroad tunnel that gives Old Tunnel its name is home to up to 3 million Mexican free-tailed bats (Tadarida brasiliensis mexicana) and 3,000 cave myotis (Myotis velifer) bats from May through October. During those months, visitors come to watch the bats emerge from the tunnel nightly. 


Bat-viewing opportunities are available seven nights a week, and nightly educational presentations are given Thursday through Sunday. Call (866) 978-2287 to get the latest emergence time information. 



There is no phone at Old Tunnel. If you need to contact us, e-mail 


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