Health Department Headquarters, Basque, Spain

The Atlantic Basin
Formed by many valleys with short rivers that flow from the mountains to the Bay Biscay, like the Nervión, Urola or Oria. The coast is rough, with high cliffs and small inlets. The main features the coast are the Bilbao Abra Bay and the Estuary Bilbao, the Urdaibai estuary and the Bidasoa-Txingudi Bay that forms the border with France.