Sima de Alcorón, Natural sinkhole in Alto Tajo Natural Park, Guadalajara, Spain
The sinkhole extends 63 meters deep with two distinct sections, featuring stone steps, metal railings, and a concrete staircase leading to its depths.
Local residents previously accessed the water source at the bottom by throwing pine trees into the cavity and using their branches as makeshift ladders.
The sinkhole functions as a water collection point with an artificial dam at its base that supplies water to neighboring communities.
Visitors need to descend 207 steps through two sections, with the first leading to a 20-meter diameter platform where sunlight enters the chamber.
Orange-colored formations created by ferruginous waters decorate the walls, while sunlight at noon creates light beams through the humid interior.
GPS coordinates: 40.68881,-2.17813
Latest update: March 6, 2025 04:41
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