 Examples include the Plazaola Greenway, which crosses the valley of the River Leizaran, the old Basque-Navarre railway line, The Zadorra Greenway, between the Álava reservoirs, or the Arrazola Greenway, in the surrounding area of Mount Anboto.The Basque coast comprises more than 250 kilometres of beaches, sandy areas, islands, rias, marshes, cliffs, fishing villages and rock formations (flysch) which are unique in the world.The Basque coast connects villages which have economies which are still strongly linked to the sea, such as Bermeo, Ondarroa and Getaria, with other towns which are traditionally tourist attractions such as Zarautz, Lekeitio and Mundaka.