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Alto Tajo · 14 places

Caves and chasms of the Alto Tajo

The limestone karst of the Alto Tajo is riddled with caves and chasms carved by rainwater. Some are accessible on foot, such as the Sima de Alcorón with its stone staircase, or the Cueva de los Casares with Paleolithic engravings. Others require specialized caving gear and certified guides.

A cave is the negative space of a landscape: the void left where water dissolved the stone. On the limestone plateaus of the Alto Tajo, rainwater creates vertical chasms (simas) and horizontal caves (cuevas) that provided shelter to humans since prehistoric times.

Safety and conservation

Never venture into undeveloped caves without caving experience, appropriate lighting, technical equipment, and notifying someone of your plans. Furthermore, many caves shelter sensitive bat colonies that must never be disturbed, particularly during winter hibernation and spring breeding seasons.

Traces to explore further

These locations connect this theme with local stories across the territory. Choose a trace and visit its guide to follow the narrative:

  • Cueva de Los Casares: Guided prehistoric cave art tour; advance booking required.
  • Sima de Alcorón: Descent via stone steps into a natural chasm; expect cool damp conditions.
  • Cueva del Tornero: Information on a wild speleology cave, not a casual walking excursion.

This landscape through layers of time

The places in this theme preserve traces of these eras. A single place can appear in several.

All places (14)

Frequently asked questions

Which caves can be visited without caving gear?

The Sima de Alcorón is equipped with stairs allowing descent on foot. The Cueva de los Casares can be visited on guided archaeological tours. All other cavities require technical caving equipment and expertise.