The Caves of Hundered Pillars, Natural cave system in Arnedo, Spain
The cave network features numerous stone pillars formed by water erosion, creating distinct chambers and interconnected passageways throughout the underground complex.
The caves have provided geological evidence of natural formation processes dating back thousands of years, documented through scientific studies of rock stratification.
Local residents have incorporated the caves into regional traditions, organizing annual exhibitions of regional artifacts within the underground galleries.
Guided tours of the cave system operate from March through November, with protective helmets and proper footwear required for all visitors.
The cave system contains more than one hundred natural stone columns, each displaying different mineral compositions visible through specialized lighting.
Location: Arnedo
GPS coordinates: 42.22709,-2.10451
Latest update: March 6, 2025 12:17
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