It's one of the easiest and nicest ways to discover the geologically most interesting places in the Flysch of Biscay step by step.

The visits are dynamic excursions on foot of varying duration with expert guides who are rock detectives and will take you down trails where you can see millions of years of history.

On the excursions you can enjoy spectacular landscapes, visit beaches, coves, vertiginous cliffs and places whose peculiar geology makes them authentically unusual.

A bottle of water, some sun protection in the summer, comfortable shoes... That's all you need to set out on this fascinating voyage.

In addition to guided tours, there are other kinds of activities on foot for enjoying all the things to see and do waiting for you in the Flysch of Biscay.