Cueva de El Castillo — Puente Viesgo

Purpose of the site
One of the Monte Castillo caves, with a long painted sequence and a visitor entrance at Puente Viesgo.

Working theory
Some motifs are among the oldest dated cave signs in Europe. Treat ages as published science, not lost-civ claims.

Period
Palaeolithic, multiple phases. Cantabria.

Visit status
Guided / restricted. No invented hours or email.

Sister caves on the same hill have different rules. Book the official Monte Castillo visit.