Grotte de Trabuc, Show cave in Mialet, France.
The Grotte de Trabuc is a limestone cave located near Mialet, in the Gard department at the edge of the Cevennes. It consists of several levels of galleries, underground lakes, and rock formations shaped by water over a long period, accessible on guided routes through the cave.
The cave was already used in prehistoric times and later served as a hiding place during the religious conflicts of the 1600s, when Protestants in the region sought shelter there. Its upper sections were only found in the 1940s, when cave explorers pushed further into the system.
The name Trabuc comes from an old Occitan word for a type of coin scale, a reminder of how long people have been familiar with this area. Inside, soot marks on some walls still show where earlier visitors held torches as they moved through the passages.
The cave is visited on guided tours only, and it is worth checking availability in advance since options change depending on the season. The temperature inside stays cool all year, so bringing a layer even in summer makes the visit more comfortable.
One chamber of the cave contains a vast cluster of tiny limestone shapes on the floor that resemble small figures, known locally as the '100,000 soldiers.' How exactly these shapes formed is still not fully understood.
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