The river takes its name from the small village where is located its first spring. Cadagua village is located in Valle de Mena (Burgos, Spain) surrounded by the beautiful landscape of "La Peña" mountains.
Four small hydropower plans produce electricity thanks to the river Cadagua. Until the last decades of the 20th century, this water power was also used by several mills that can be nowadays seen by the river basin.
Cadagua is a company which takes its name from this river. This company designs, plans and builds water treatment plants in order to improve the environment.
The Bay of Biscay is a gulf of the northeast Atlantic Ocean located south of the Celtic Sea. It lies along the western coast of France from Point Penmarc'h to the Spanish border, and along the northern coast of Spain, extending westward to Cape Ortegal. The southern area of the Bay of Biscay that washes over the northern coast of Spain is known locally as the Cantabrian Sea.
The River Nervión runs through the town of Bilbao, Spain into the Cantabrian Sea. Its lowermost course, downstream of its confluence with the Ibaizabal River, is known as the Estuary of Bilbao.
Alonsotegi is a municipality in the province of Biscay, Basque Country, Spain. Alonsotegi was attached to the Baracaldo municipality until the end of the 19th century, when it separated and was officially recognized as its own independent municipality. Alonsotegi is approximately 8 kilometres from the center of Bilbao. It is located in the valley of the Cadagua River, following Highway BI-636.
Mañaria is an elizate, town and municipality located in the province of Biscay, in the Basque Country, Spain. Mañaria is part of the comarca of Durangaldea and has a population of 459 inhabitants as of 2006 according to the Spanish National Statistics Institute.
Betelu is a town and municipality located in the province and autonomous community of Navarre, northern Spain. The Mariñelarena family has its origins in the village and was prominent in politics and government.
Ultzama is a municipality located in the province and autonomous community of Navarre, northern Spain. Ultzama is also the name of the river from which the valley takes its name. It is located 22 km North of Pamplona, the capital city of Navarre.
The Estuary of Bilbao lies at the common mouth of the rivers Nervion, Ibaizabal and Cadagua, which drain most of Biscay and part of Alava in the Basque Country, Spain. In this instance, the Spanish word estuario is used to describe what in English would normally be called part estuary, part tidal river. The estuary becomes a tidal river which extends 16 km (9.9 mi) into the city of Bilbao, starting from the Bilbao Abra bay. It hosts the port of Bilbao throughout its length, although the Port Authority has recently restored most of the upper reaches to Bilbao and other municipalities for their urban regeneration. The port is now being transferred to the seaboard on the coast at Santurtzi and Zierbena.
The Ibaizabal is a river that drains southeastern Biscay to the Estuary of Bilbao. It is 43 kilometres (27 mi) long from its source at Elorrio to the Nervión, and it passes by the towns of Durango and Amorebieta and joins the Nervión river at Basauri. Both rivers run then together for a short length until they merge with the sea at Bilbao. It is disputed which river is the one that actually reaches Bilbao. It is commonly agreed that it is the Nervión, but there are some who argue that the Ibaizabal carries more water.
The Mena Valley is a municipality of the province of Burgos in Spain. It is located in the autonomous community of Castile and León, bordering the provinces of Alava, Biscay and Cantabria.
Enkarterri is a comarca of the province of Biscay, in the Basque Country, Spain. It is one of the seven eskualdeak/comarcas or districts that make up the province of Biscay. Its administrative centre is Balmaseda.
Basauri is a major municipality of Biscay, in the Basque Country, an Autonomous Community in northern Spain.
Areeta is a neighbourhood of Getxo. It is an affluent residential area that was built over the sands of a beach where the Gobela Creek died into a diffuse delta at the mouth of the Estuary of Bilbao in the early 20th century.
Deusto, also known as Deustu in Basque and formerly known as San Pedro de Deusto, is one of the eight districts of Bilbao, Spain. It is located on the right side of the Bilbao estuary, in the northwestern part of the city and bordering the estuary itself on the south and the southern hillside of Mount Artxanda and Mount Bandera on the north. Deusto was originally an elizate and also a municipality until 1925 when it was completely annexed by Bilbao in order to expand the free land available to the city. Deusto is known as the university district of the city as it is home to the University of Deusto and the Faculty of Economics and Business of the University of the Basque Country.
Abando, formerly known as San Vicente de Abando, is one of the eight districts of Bilbao, Basque Country (Spain). It covers most of the city's centre, located on the left bank of the estuary of Bilbao. It is the only district of Bilbao with all of its land completely urbanised. Abando was originally an elizate and also a municipality until 1876, when part of it was annexed to Bilbao, the rest of the elizate's municipal land was integrated into Bilbao in 1890. In 2016 the population was 50,903. Abando is the wealthiest district in Bilbao, with personal and family incomes being well above the citywide average.
The Port of Bilbao is located on the Bilbao Abra bay, and along the Estuary of Bilbao, in Biscay. The main facilities are in the Santurtzi and Zierbena municipalities, approximately 15 km (9.3 mi) west of Bilbao. Also called Exterior Port and Superpuerto, the port complex occupies 3.13 km² of land and 16.94 km² of water along 17 km (10.6 mi) of waterfront.
The Battle of Luchana occurred at Bilbao and its vicinities during the night of December 23, 1836 and went on until December 24, 1836. The Carlists were besieging Bilbao and controlled the water and land routes towards the city. The battle of Luchana took place in the district belonging to the parish of Deusto and the municipality of Erandio, on the banks of the Asúa River, which empties into the Nervión at the spot known as Luchana. The Carlists were defeated and the siege of Bilbao was lifted.
Durangaldea is a comarca of Biscay located in the Basque Country, Spain. It is one of the seven eskualdeak/comarcas or regions that compose the province of Biscay. The capital city of Durangaldea is Durango.
The Arenal Bridge is a reinforced concrete bridge in Bilbao, Spain.
The Bilbao-Concordia railway station, also known as La Concordia Station, and formerly and colloquially known as Santander Station, is a terminal railway station in Bilbao, Basque Country (Spain). The station was opened in 1902 and currently serves as the terminus station for several narrow-gauge regional and metropolitan railway services operated by Renfe Feve, a division of the state-owned Spanish railway company Renfe. The Bilbao-Abando railway station, also operated by Renfe and that offers medium and long-distance services is located in close proximity.
Bercedo is a Spanish town of Provincia de Burgos of Merindad de Montija, Castilla la Vieja, in the Autonomous Community of Castilla y León.
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