The Estuary of Bilbao (

Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Can ...

: ''Ría de Bilbao'' /

Basque Basque may refer to: * Basques, an ethnic group of Spain and France * Basque language, their language Places * Basque Country (greater region), the homeland of the Basque people with parts in both Spain and France * Basque Country (autonomous co ...

: ''Bilboko Itsasadarra'') lies at the common mouth of the rivers Nervion,

Ibaizabal The Ibaizabal (''wide river'' in Basque) is a river that drains southeastern Biscay to the Estuary of Bilbao. It is long from its source at Elorrio to the Nervión, and it passes by the towns of Durango and Amorebieta and joins the Nervión rive ...

and Cadagua, which drain most of

Biscay Biscay (; eu, Bizkaia ; es, Vizcaya ) is a province of Spain and a historical territory of the Basque Country, heir of the ancient Lordship of Biscay, lying on the south shore of the eponymous bay. The capital and largest city is Bilbao. B ...

and part of Alava in the Basque Country,

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. In this instance, the Spanish word estuario is used to describe what in English would normally be called part

estuary An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environm ...

, part

tidal river A tidal river is a river whose flow and level are influenced by tides. A section of a larger river affected by the tides is a tidal reach, but it may sometimes be considered a tidal river if it has been given a separate name. Generally, tidal ri ...

. The estuary becomes a tidal river which extends into the city of Bilbao, starting from the

Bilbao Abra The Bilbao Abraabra
is Spanish for a small bay. is a

...

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 Urban renewal (also called urban regeneration in the United Kingdom and urban redevelopment in the United States) is a program of land redevelopment often used to address urban decay in cities. Urban renewal involves the clearing out of bligh ...

. The port is now being transferred to the seaboard on the coast at

Santurtzi Santurtzi ( es, Santurce; eu, Santurtzi ) is a port town in the province of Biscay, in the autonomous community of Basque Country, Spain. It is located in the Bilbao Abra bay, near the mouth of the Nervión river, on its left bank, 14 km dow ...

and

Zierbena Zierbena is a town and municipality located in the province of Biscay in the autonomous community of Basque Country, northern Spain. Ferry port The ferry port in Zierbena (which is known to some as Bilbao Ferry Port) has two departures and arr ...

. Downstream from Bilbao the river divides its metropolitan area in its

left bank In geography, a bank is the land alongside a body of water. Different structures are referred to as ''banks'' in different fields of geography, as follows. In limnology (the study of inland waters), a stream bank or river bank is the terra ...

(

Barakaldo Barakaldo ( es, Baracaldo; eu, Barakaldo ) is a municipality located in the Biscay province in the Basque Country. Located on the Left Bank of the Estuary of Bilbao, the city is part of Greater Bilbao, has a population at 100,881. Barakaldo h ...

Sestao Sestao is a town and municipality of 27,296 inhabitants located in the province of Biscay, in the autonomous community of Basque Country, northern Spain. It is in the left bank of the Estuary of Bilbao and part of Bilbao's metropolitan area. ...

Portugalete Portugalete is a town lying to the west of Bilbao in the province of Biscay in the Autonomous Community of Basque Country, northern Spain. The town has 45,766 inhabitants (2019 census) and is part of Bilbao's metropolitan area. It is located a ...

and

) and

right bank In geography, a bank is the land alongside a body of water. Different structures are referred to as ''banks'' in different fields of geography, as follows. In limnology (the study of inland waters), a stream bank or river bank is the terrai ...

(

Erandio Erandio is a town and municipality located in the province of Biscay, in the autonomous community of Basque Country, northern Spain. The name comes from euskera ARANDIO that means plum plantation or field. In 1415, during the War of the Bands, ...

Leioa Leioa ( es, Lejona) is a municipality in Biscay, Basque Country, in northern Spain. It is located south of Getxo and Berango delimitating east and south with Erandio, Portugalete and Sestao. Today it is part of the Bilbao conurbation. Its populat ...

and

Getxo Getxo () is a town located in the province of Biscay, in the autonomous community of the Basque Country, in Spain. It is part of Greater Bilbao, and has 77,946 inhabitants (2019). Getxo is mostly an affluent residential area, as well as being the ...

The recovery of the estuary

The estuary and tidal river of Bilbao have always been a significant part of the city.

Bilbao ) , motto = , image_map = , mapsize = 275 px , map_caption = Interactive map outlining Bilbao , pushpin_map = Spain Basque Country#Spain#Europe , pushpin_map_caption ...

was born 700 years ago on the banks of the Nervión river as a trading village. It gradually expanded downstream until arriving at the sea. Unfortunately, the river reached high levels of

contamination Contamination is the presence of a constituent, impurity, or some other undesirable element that spoils, corrupts, infects, makes unfit, or makes inferior a material, physical body, natural environment, workplace, etc. Types of contamination ...

because of the industrial activities during the past century. In recent years, work has been undertaken to restore the condition of the estuary.Bilbao en Construcción!
Bilbao recupera su Alma: Plan Integral de Saneamiento de la Ría
published 6 July 2010, accessed 21 March 2021

References

External links

Bilbao Ria 2000
{{Coord, 43, 22, N, 3, 03, W, type:mountain_source:kolossus-frwiki, display=title Geography of Bilbao Estuaries of Spain Landforms of the Basque Country (autonomous community)