Caverns of Sonora
Show Cave · Sonora, Texas
A National Natural Landmark on I-10 in the emptiest part of West Texas, and by the reckoning of people who study caves for a living, one of the most beautiful in the world. Its distinction is helictites — calcite crystals that grow sideways and upward against gravity — present here in an abundance, purity and complexity found almost nowhere else. More than 95 per cent of its formations are still actively growing. The founder of the National Speleological Society said its beauty could not be exaggerated, even by Texans.
1711 Private Road 4468, Sonora, Texas, 76950, United States
Open EVERY DAY OF THE YEAR EXCEPT CHRISTMAS DAY, generally 9 AM - 5 PM. Guided tours only — Crystal Palace about 1 hr 45 min, Horseshoe Lake about 1 hr 15. Tours leave continuously, wait rarely over 30 minutes, groups capped around 12. ⚠ WARM CAVE: 72F at 98% humidity — no jacket needed. No bags of any kind inside.
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