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Location Spain, Castilla y León
Central coordinates 4o 32.00' West  40o 22.00' North
IBA criteria A1, A4ii, B1iii, B2, C1, C2, C6
Area 8,440 ha
Altitude 850 - 1,959m
Year of IBA assessment 2000


Site description A mountain valley with numerous gorges and streams. The dominant vegetation is scrub and Pinus forest with small areas of Quercus and Castanea woodland and riverine forest. The main human activities are forestry, hunting and livestock-farming.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Cinereous Vulture Aegypius monachus resident  1996  90 breeding pairs  good  A1, A4ii, B1iii, B2, C1, C2, C6  Near Threatened 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
CERRO DE GUISANDO - ES0000185 Birds Directive 3,655 protected area is adjacent to site 0  
CERRO DE GUISANDO - ES4110113 Habitats Directive 3,489 protected area is adjacent to site 0  
Cuencas de los r Habitats Directive 82,919 protected area is adjacent to site 0  
Encinares del r Birds Directive 83,156 protected area is adjacent to site 0  
Valle de Iruelas Natural Reserve 8,440 protected area contained by site 8,440  
VALLE DE IRUELAS - ES0000116 Birds Directive 8,619 protected area contains site 8,440  
VALLE DEL TIÉTAR - ES0000184 Birds Directive 64,377 protected area is adjacent to site 0  
VALLE DEL TIÉTAR - ES4110115 Habitats Directive 63,355 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Broadleaved evergreen woodland; Mixed woodland; Native coniferous woodland  50%
Shrubland Scrub  40%
Grassland Alpine, subalpine and boreal grassland  10%
Rocky areas Scree & boulders  -
Artificial - terrestrial Forestry plantations  -

Land use

Land-use Extent (% of site)
agriculture 10%
forestry 80%
hunting -
tourism/recreation -

Protection status National High International High8,440 ha of IBA covered by Natural Reserve (Valle de Iruelas, 8,440 ha). 8,440 ha of IBA covered by Special Protection Area (Valle de Iruelas, 8,440 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Iruelas valley. Downloaded from on 03/09/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife