Cantabria Natural Reserves
Parque Natural Saja-Besaya:
this Parque Natural includes the largest national hunting reserve in Spain, developed between 1948 and 1966. It covers most of the western part of Cantabria.
Parque Natural de Oyambre:
This area of marshland and woodland behind a four-kilometre beach has a wide variety of aquatic and migratory birds. Large whalebones frequently appear on the beach, since whales were slaughtered here from medieval times onwards; the watch-tower from which they were spotted on the horizon still stands.
Parque Natural de las Dunas de Liencres:
This covers the magnificent dune system formed in the estuary of the river Pas.
Parque Natural de Peña Cabarga:
this protected area covers the mountain range of the same name, which rises over the bay of Santander.
Parque Natural de los Collados del Asón.
Reserva Natural de las Marismas de Santoña
Also declared a national sanctuary for aquatic bird life. Pantano del Ebro: National sanctuary for aquatic bird life
Parque Nacional de Picos de Europa:
Established in 1995, over an area of 700 km2, it includes ten mountain municipalities in three autonomous communities: Asturias, Cantabria and Castilla-Leon. It is the biggest national park in the country, consisting of three limestone massifs that were formed during the Carboniferous period and includes some of the deepest chasms in the world. It is one of the national parks most frequently visited by tourists, mountaineers and climbers, and offers a wide range of mountain accommodation and refuges.