Esla river

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View of the Esla River
Mouth Duero River
Basin countries Spain
Length 275 kilometres (171 mi)
Source elevation 1,500 metres (4,900 ft)
Avg. discharge 135 cubic metres per second (4,800 cu ft/s)[1]
Basin area 16,081 square kilometres (6,209 sq mi)[2]

The Esla is a river in the provinces of León and Zamora in the northwest of Spain. It is a tributary of the Duero River that starts in the Cantabrian Mountains and is 275 kilometres (171 mi) long.[2] Its direction of flow is from north to south. It is the largest tributary of the Duero in terms of discharge; in fact, at its mouth, it has a greater discharge at the confluence than the Duero.[2]

The most official source of the river is the “Fuente del Naranco” in Valdosín (near La Uña in León province).[3][4]

This river was known as the Astura to the Ancient Romans, from which the Asturian people took their name, the ancestors of the modern inhabitants of Asturia and León, living on both sides of the Cantabrian Mountains. Many of the toponyms in the area owe their name to the river; for example, Villafalé ("Villa Fértil a orillas del Río Astura"), "Vega del Esla", "Mansilla del Esla", etc.

In the 19th century the Canal del Esla was built to irrigate the Vega de Toral.

The principal tributaries of the Esla are:

See also[edit]


  1. ^ Discharge of the Esla according to CHD
  2. ^ a b c Fernández-Aláez, M.; Fernández-Aláez, C.; de Luis Calabuig, E. (1992). "The Esla River Basin: From the Cantabrian Mountain to the Duero" (PDF). Limnetica 8: 131–40. Retrieved 20 August 2014. 
  3. ^ Ministerio de Fomento. Instituto Geográfico Nacional.
  4. ^ Atlas de España (1992). El Pais. Aguilar S.A. de Ediciones. ISBN 84-86459-39-7

Coordinates: 41°35′29.33″N 5°58′46.12″W / 41.5914806°N 5.9794778°W / 41.5914806; -5.9794778