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Location Spain, Castilla y León,La Rioja
Central coordinates 3o 15.00' West  42o 40.00' North
IBA criteria B2, C2, C6
Area 35,000 ha
Altitude 600 - 1,434m
Year of IBA assessment 2000

SEO/BirdLife



Site description A low mountain range to the west of Miranda del Ebro, which includes many cliffs and a small gorge. The main vegetation-types are scrub, grassland and Quercus and Fagus woodland. The area is used for livestock-farming, arable agriculture and hunting.

Key Biodiversity This is an important site for cliff-nesting raptors.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Falco peregrinus resident  1995  9 breeding pairs  medium  C6  Not Recognised 
Egyptian Vulture Neophron percnopterus breeding  1995  15 breeding pairs  medium  B2, C6  Endangered 
Golden Eagle Aquila chrysaetos resident  1995  9-10 breeding pairs  medium  C6  Least Concern 
Bonelli's Eagle Aquila fasciata resident  1995  3-4 breeding pairs  medium  C6  Least Concern 
Eurasian Eagle-owl Bubo bubo resident  1995  15 breeding pairs  medium  C6  Least Concern 
Red-billed Chough Pyrrhocorax pyrrhocorax resident  1995  150-200 breeding pairs  medium  B2, C2, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
MONTES DE MIRANDA DE EBRO Y AMEYUGO - ES0000187 Birds Directive 6,662 protected area overlaps with site 5,431  
MONTES DE MIRANDA DE EBRO Y AMEYUGO - ES4120095 Habitats Directive 3,633 protected area overlaps with site 3,164  
MONTES OBARENES - ES4120030 Birds Directive 43,061 protected area overlaps with site 20,111  
OBARENES-SIERRA DE CANTABRIA - ES0000062 Birds Directive 5,162 protected area overlaps with site 3,225  
RIBERAS DEL RÍO EBRO Y AFLUENTES - ES4120059 Habitats Directive 160 protected area overlaps with site 59  
Sobrón - ES2110002 Habitats Directive 1,760 protected area is adjacent to site 0  
Valderejo - ES2110001 Habitats Directive 3,418 protected area is adjacent to site 0  
Valderejo-Arcena Mendilerroa / Valderejo-Sierra de Árcena - ES0000245 Birds Directive 6,672 protected area is adjacent to site 0  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved deciduous woodland; Broadleaved evergreen woodland  30%
Shrubland Sclerophyllous scrub, garrigue and maquis; Scrub  35%
Rocky areas Inland cliffs  10%
Artificial - terrestrial Arable land; Perennial crops, orchards and groves  35%

Land use

Land-use Extent (% of site)
agriculture 35%
forestry 7%
hunting 65%
other 30%
not utilised 14%

Protection status National None International Partial4,000 ha of IBA covered by Special Protection Area (Obarenes-Sierra de Cantabria, 5,350 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Obarenes mountains. Downloaded from http://www.birdlife.org on 19/12/2014

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