Spain& Top Waterfalls The Nervión river (Basque: Nerbioi) runs through the city of Bilbao, Spain into the Cantabrian Sea (Bay of Biscay). Its lowermost course, downstream of its confluence with the Ibaizabal River, is known as the Estuary of Bilbao.
The Pyrenees; a range of mountains in southwest Europe that forms a natural border between France and Spain. It separates the Iberian Peninsula from the rest of continental Europe and extends for about 305 mi from the Bay of Biscay to the Mediterranean.
Bay of Biscay summer rocky coast view, Spain, Asturias, near Camango