Set within the Basque Coast Geopark, the Ruta del Flysch offers visitors 13 miles of scenic coastal trails, access to secluded coves, close-up views of some remarkable rock formations, and a chance to see over 60 million years of Earth’s history in the making. The Basque region is situated at the intersection of the Western Pyrenees and the Atlantic Ocean. Positioned literally along the brink of this formidable mountain chain, the Ruta del Flysch boasts miles of wave-cut cliffs (flysch)…