Hamilton Pool Preserve is a natural pool that was created when the dome of an underground river collapsed due to massive erosion thousands of years ago. The pool is located about 23 miles (37 km) west of Austin, Texas. The pool is surrounded by large slabs of limestone that rest by the water’s edge. Large stalactites grow from the ceiling high above. The ceiling and surrounding cliffs of the grotto are home to moss, maidenhair fern and cliff swallows. The Ashe juniper (cedar) uplands of the preserve are home to the endangered golden-cheeked warbler.
info source: wikipedia
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photo by Marcus Calderon/Flickr (CC BY-NC-SA 2.0)
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photo by Mlhradio/Flickr (CC BY-NC 2.0)
photo by Jim Nix/Flickr (CC BY-NC-SA 2.0)
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