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19-629: It is a right-bank tributary of the Acequia de Socuéllamos, itself a tributary of the Záncara , a river of the basin of the Guadiana . It rises in the hills near Lezuza . Córcoles is 88 kilometres (55 mi) long. There are 17 watermills on the river. This Albacete Province location article is a stub . You can help Misplaced Pages by expanding it . This article related to a river in Spain

38-529: A valued nature conservation character to the region. In Spain, three autonomous communities, (Castilla-La Mancha, Extremadura and Andalusia) (comprising the provinces of Ciudad Real , Badajoz , and Huelva ) are crossed by the Guadiana. Meanwhile, in Portugal the river crosses the regions of Alentejo and Algarve , and the districts of Portalegre , Évora , Beja and Faro . There are over 30 dams on

57-641: Is semiarid with an average annual temperature of 14 to 16 °C (57 to 61 °F). The river empties into the Gulf of Cádiz between Ayamonte and Vila Real de Santo António, the two highly touristic regions of the Algarve and the sea-side of Andalusia . There it forms a saltmarsh estuary . The estuary has a maximum width of 550 metres (1,800 ft), and its depth ranges from 5 to 17 metres (16 to 56 ft). Tides are semi- diurnal , ranging from 0.8 to 3.5 metres (2.6 to 11.5 ft); their upriver propagation

76-601: Is a stub . You can help Misplaced Pages by expanding it . Guadiana The Guadiana River ( / ˌ ɡ w ɑː d i ˈ ɑː n ə / GWAH -dee- AH -nə , US also / ɡ w ɑː d ˈ j ɑː n ə / gwahd- YAH -nə , Spanish: [ɡwaˈðjana] , Portuguese: [ɡwɐdiˈɐnɐ] ) is an international river defining a long stretch of the Portugal-Spain border , separating Extremadura and Andalusia (Spain) from Alentejo and Algarve (Portugal). The river's basin extends from la Mancha and

95-555: Is in Spain, while about 17 percent, 11,560 square kilometres (4,460 sq mi) is in Portugal. The exact source of the river in Castilla-La Mancha is disputed, but it is generally believed to spring in the Ojos del Guadiana  [ es ] , Villarrubia de los Ojos municipal term, Ciudad Real Province , Castile–La Mancha, about 608 metres (1,995 ft) in elevation. A classic theory introduced by Pliny

114-535: Is limited by falls situated 76 kilometres (47 mi) from the mouth at Moinho dos Canais. In the lower estuary there are nature reserves covering a total of 2,089 hectares (5,160 acres); in Spain, the Marismas de Isla Cristina and, in Portugal, the Reserva Natural do Sapal de Castro Marim e Vila Real de Santo António (English: Castro Marim and Vila Real de Santo António Marsh Natural Reserve ); they give

133-670: The Celtiberian name as Anas , meaning a marshy area or bayou . The Romans adapted this name as [Flumen Anās ] Error: {{Lang}}: invalid parameter: |links= ( help ) , which was etymolygised as the "River of Ducks." After the Muslim conquest of the Iberian Peninsula , the name was extended and referred to as Wadi Ana , later passed on to Portuguese and Spanish settlers as the Ouadiana , and later just Odiana . Since

152-529: The article wizard to submit a draft for review, or request a new article . Search for " Ojos del Guadiana " in existing articles. Look for pages within Misplaced Pages that link to this title . Other reasons this message may be displayed: If a page was recently created here, it may not be visible yet because of a delay in updating the database; wait a few minutes or try the purge function . Titles on Misplaced Pages are case sensitive except for

171-541: The 16th century, the name slowly evolved to take on the form Guadiana , a cognitive variation that developed from many Andalusi river place-names beginning in wadi using the prefix guad- such as the hydronyms Guadalquivir , Guadalete , and Guadarrama . The Guadiana flows east to west through Spain and south through Portugal, then forms the Spanish-Portuguese border; it flows into the Gulf of Cádiz , part of

190-521: The Atlantic Ocean, between Vila Real de Santo António (Portugal) and Ayamonte (Spain). It is 818 kilometres (508 mi) long, of which 578 kilometres (359 mi) are within Spanish territory, 140 kilometres (87 mi) within Portugal, while 100 kilometres (62 mi) are shared between the two nations. About 82 percent, 55,444 square kilometres (21,407 sq mi), of its basin

209-602: The Elder , was that the river originated from the Lagunas de Ruidera and divided into two branches: the Upper Guadiana (Spanish: Guadiana Viejo ) and the Guadiana, while separated by a subterranean course. This legend developed from a misguided belief (which persisted until the 19th century) that the river appeared and disappeared over time, because of its subterranean tributary. In fact, no subterranean course exists, and

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228-413: The Guadiana is the highest waterfall is Southern Portugal called Pulo do Lobo . The ecosystem has Mediterranean hydrological characteristics, including high variation in intra- and inter-annual discharge, large floods and severe droughts. This variability is a consequence of considerable variation in rainwater supply averaging around an annual mean of 400 to 600 millimetres (16 to 24 in). The climate

247-461: The belief that the Lagunas de Ruidera is the source is also controversial. toponymically and traditionally the Upper Guadiana, which runs from Viveros ( Albacete ) until Argamasilla de Alba ( Ciudad Real ) had been identified as the main branch of the Guadiana. But even hydro-geological characteristics indicate that the Upper Guadiana may not be the principal river within the system. Another of

266-778: The eastern portion of Extremadura to the southern provinces of the Algarve; the river and its tributaries flow from east to west, then south through Portugal to the border towns of Vila Real de Santo António (Portugal) and Ayamonte (Spain), where it flows into the Gulf of Cádiz . With a course that covers a distance of 829 kilometres (515 mi), it is the fourth-longest in the Iberian Peninsula , and its hydrological basin extends over an area of approximately 68,000 square kilometres (26,000 sq mi) (the majority of which lies within Spain). Ptolemy's Geography recorded

285-630: The origin theories, postulated that the Cigüela and Záncara rivers were the sources of the Guadiana. Today, they are considered integral parts of the river's headwaters and important tributaries, but not necessarily the exact origin. The Ciguela's source is in Altos de Cabreras ( Cuenca ) and pertains to the Sistema Ibérico , at an elevation of 1,080 metres (3,540 ft). Its course is 225 kilometres (140 mi) long, receiving contributions from

304-1030: The river basin. The following are the dams on the Guadiana river itself: Ojos del Guadiana Look for Ojos del Guadiana on one of Misplaced Pages's sister projects : [REDACTED] Wiktionary (dictionary) [REDACTED] Wikibooks (textbooks) [REDACTED] Wikiquote (quotations) [REDACTED] Wikisource (library) [REDACTED] Wikiversity (learning resources) [REDACTED] Commons (media) [REDACTED] Wikivoyage (travel guide) [REDACTED] Wikinews (news source) [REDACTED] Wikidata (linked database) [REDACTED] Wikispecies (species directory) Misplaced Pages does not have an article with this exact name. Please search for Ojos del Guadiana in Misplaced Pages to check for alternative titles or spellings. You need to log in or create an account and be autoconfirmed to create new articles. Alternatively, you can use

323-464: The rivers Jualón, Torrejón, Riánsares, Amarguillo and Záncara . The union of the rivers Ciguela and Záncara permits the replenishment of the waters in the Tablas de Daimiel National Park , a wetland that was designated for protection by the Spanish government in 1973 (situated in the municipalities of Villarrubia de los Ojos and Daimiel , in the province of Ciudad Real). From its origin/spring runs from

342-520: The southern Iberian plain in a direction east to west, to near the town of Badajoz , where it begins to track south leading to the Gulf of Cádiz. The Guadiana marks the border of Spain and Portugal twice as it runs to the ocean: first, between the River Caia and Ribeira de Cuncos , then later from the River Chança until its mouth. The river is not used to completely mark the boundary between

361-512: The two states; between the Olivenza ravine and the Táliga ravine, the border still remains a disputed section claimed de jure by both countries and administered de facto by Spain (as part of the Spanish autonomous community of Extremadura ). For the most part, the Guadiana is navigable from the Atlantic Ocean until Mértola , a distance of 68 kilometres (42 mi). North of Mértola on

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