Sótano De Las Golondrinas
The Cave of Swallows, also called the Cave of the Swallows (), is an open-air pit cave in the municipality of Aquismón, San Luis Potosí, Mexico. The elliptical mouth, on a slope of karst, is wide and is undercut around all of its perimeter, widening to a room approximately wide. The floor of the cave is a freefall drop from the lowest side of the opening, with a drop from the highest side, making it the largest known cave shaft in the world, the second deepest pit in Mexico and perhaps the 11th deepest sheer drop in the world. History The cave has been known to the local Huastec people since ancient times. T. R. Evans, Charles Borland, Randy Sterns, and Sid West were first shown the cave on 27 December 1966. The first documented descent was on 4 April 1967. Geology The cave is formed in the El Abra and Tamabra formations, limestones of Middle Cretaceous age. The cave's speleogenesis is still not fully known but is a result of solutional enlargement along a vertical fra ...
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Aquismón
Aquismón is a town and municipality in the Mexican state of San Luis Potosí in central Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar .... In 2010 the municipality had an area of and a population of 47,423. The town had a population of 2,127."Enciclopedia de Municipios de Mexico" References Municipalities of San Luis Potosí {{SanLuisPotosí-geo-stub ...
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