The GR11 is the star of all the trails in the southern Pyrenees. It is a route of outstanding beauty and landscape diversity that crosses the mountain range from the Mediterranean Sea to the Atlantic Ocean and can be hiked in either direction. The GR11 was finished in 1986 and is fully marked.
Also known as the Ruta Transpirenaica or Trans-Pyrenean Route, it is a legendary long-distance hiking trail that goes along the entire length of the Spanish Pyrenees and stretches approximately 820 kilometers (510 miles) from the Atlantic Ocean to the Mediterranean Sea.