The Avenc de la Codoleda, located in Matadepera within the Sant Llorenç del Munt i l'Obac Natural Park, is just one hour from Barcelona. An introductory activity with a very special feature: it's a through-trip—you enter at one point and exit at another, traversing the rock of the Plecs del Llibre formation. The route begins with two diaclases forming a shaft with a spectacular 18-metre free-hanging abseil past an impressive flowstone. From the floor of the main chamber, head east along an 18-metre gallery flanked by imposing walls. A tight squeeze tests your nerve, followed by a 10-metre rope traverse and a short handline leading into a wonderfully unusual chamber full of rocky steps. A short climb and a 5-metre belly-crawl then guide you towards the light—and the exit on the other side. Total passage: 145 m. Depth: 32 m. Duration: 3–4 hours. Difficulty: Introductory.
