The Nervion River is a river located in northern Spain, primarily flowing through the Basque Country. It originates in the Sierra de Gorbea mountain range and travels approximately 75 kilometers before emptying into the Bay of Biscay. The river is an important waterway for the region, supporting both natural ecosystems and urban development. The Nervion River runs through the city of Bilbao, which is known for its rich industrial history and cultural significance. Along its banks, visitors can find parks, promenades, and various attractions, making it a popular spot for both locals and tourists. The river also plays a crucial role in the city's transportation and commerce.