It looks like one of those huge caves from Vietnam or Mexico, but the truth is that it is just a few kilometers from Madrid and it is an incredible plan to do on the weekend. In the Alto Tajo Natural Park, very close to Villanueva de Alcorón, is this 63-meter-deep cave that you can access and live an adventure.
The Alcorón chasm is one of the many cavities in this area, but the only one equipped for safe access. You have to enter with a flashlight and warm clothes, descending some stairs to a landing 20 meters in diameter. This is the first room, the one where the sunlight still reaches. But you can go deeper, if you dare.
You can continue descending some concrete stairs, being careful because the humidity makes them slippery. At the lowest point there is still an artificial dam, which ancient inhabitants used to collect the water that falls down a wall, filling everything with moss, lichen and light reflections that become quite a spectacle.
To get there, you must access the CM-2101 highway that connects Villanueva de Alcorón and Peñalén. The detour has a sign indicating the location of the chasm. Following it you will find a recreational area with the same name. There you park and you can have lunch in the picnic areas before entering the depths of the earth.
