Devil's Sinkhole State Natural Area, National Natural Landmark and state park in Edwards County, Texas.
Devil's Sinkhole is a natural landmark and state park in Edwards County, Texas, defined by a dramatic vertical opening in the ground. This shaft is roughly 50 feet wide and drops about 140 feet before opening into a circular cavern roughly 320 feet across.
The area was inhabited by Native Americans between 2500 and 4000 BC, who used the site as a source of high-quality stone for tool-making. The location held value as a resource hub within the region's hunter-gatherer societies.
The place served as a meeting point for cowboys and explorers who carved their names into limestone walls over the years. Later, business owners harvested bat droppings to produce fertilizer, turning the site into a working resource for the region.
Visiting requires advance booking through the Devil's Sinkhole Society, with guided tours departing from the visitor center in Rocksprings. These organized tours are your best option for safely experiencing the site and learning about its features.
Roughly three million Mexican free-tailed bats make their home in the cavern each year from spring through fall, making this a remarkable wildlife destination. The nightly emergence of these countless bats to hunt insects creates an unforgettable natural spectacle during the warmer months.
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