Arribes del Duero Natural Park is a protected area in western Spain

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

, covering 106.105 ha

Hectare

The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

 in the autonomous community of Castile and León

Castile and León

Castile and León is an autonomous community in north-western Spain. It was so constituted in 1983 and it comprises the historical regions of León and Old Castile...

. In this area the river Duero forms the national boundary between Spain and Portugal, and the Portugal side is also protected under the figure of International Douro Natural Park

International Douro Natural Park

The International Douro Natural Park is one of the thirteen natural parks of Portugal. It is located in the municipalities of Miranda do Douro, Mogadouro, Freixo de Espada à Cinta and Figueira de Castelo Rodrigo, spanning through a wide area along the Douro River as it makes the border between...

.
The most notable characteristics of this natural space are its biodiversity

Biodiversity

Biodiversity is the degree of variation of life forms within a given ecosystem, biome, or an entire planet. Biodiversity is a measure of the health of ecosystems. Biodiversity is in part a function of climate. In terrestrial habitats, tropical regions are typically rich whereas polar regions...

 and range of watercourse

Watercourse

A watercourse is any flowing body of water. These include rivers, streams, anabranches, and so forth.-See also:* physical geography* Environmental flow* Waterway* Hydrology* Wadi-External links:...

s, which have eroded deep valleys and vertiginous precipices. This landscape is known as Arribes, from where the reserve name come.

Fauna

The park is a Special Protection Area

Special Protection Area

A Special Protection Area or SPA is a designation under the European Union Directive on the Conservation of Wild Birds.Under the Directive, Member States of the European Union have a duty to safeguard the habitats of migratory birds and certain particularly threatened birds.Together with Special...

, recognised by European Union

European Union

The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...

 for birds such as the Black Stork

Black Stork

The Black Stork Ciconia nigra is a large wading bird in the stork family Ciconiidae. It is a widespread, but rare, species that breeds in the warmer parts of Europe, predominantly in central and eastern regions. This is a shy and wary species, unlike the closely related White Stork. It is seen in...

.

See also

• International Douro Natural Park
  International Douro Natural Park
  The International Douro Natural Park is one of the thirteen natural parks of Portugal. It is located in the municipalities of Miranda do Douro, Mogadouro, Freixo de Espada à Cinta and Figueira de Castelo Rodrigo, spanning through a wide area along the Douro River as it makes the border between...
  
  
• Arribes
• Sayago
  Sayago
  Sayago is a comarca in the province of Zamora, central Spain.- Geography :The comarca is located at the southwest of the Zamora province. The main geographical characteristic is the isolation caused by the Duero and Tormes rivers canyons...