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Location Spain, Castilla y León,La Rioja
Central coordinates 2o 0.00' West  41o 55.00' North
IBA criteria A4ii, B1iii, B2, C2, C6
Area 10,500 ha
Altitude 550 - 1,187m
Year of IBA assessment 2000


Site description A mountainous area in the Northern Iberian mountain range, including the Alhama river valley. The site comprises limestone cliffs, deforested slopes with open scrub, dry grassland and occasional patches of Quercus woodland. There are also small areas of cereal cultivation, olive-groves and orchards. The area is used for cattle-grazing.

Key Biodiversity The site is important for cliff-nesting raptors, with the largest Gyps fulvus colony in La Rioja.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Falco peregrinus resident  1994  5 breeding pairs  good  C6  Not Recognised 
Egyptian Vulture Neophron percnopterus breeding  1994  7 breeding pairs  good  C6  Endangered 
Griffon Vulture Gyps fulvus resident  1994  189 breeding pairs  good  A4ii, B1iii, B2, C2, C6  Least Concern 
Bonelli's Eagle Aquila fasciata resident  1994  2 breeding pairs  good  C6  Least Concern 
Eurasian Eagle-owl Bubo bubo resident  1994  9 breeding pairs  good  C6  Least Concern 


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest; Broadleaved evergreen woodland  -
Shrubland Sclerophyllous scrub, garrigue and maquis  26%
Grassland Steppes and dry calcareous grassland  26%
Rocky areas Inland cliffs  -
Artificial - terrestrial Arable land; Perennial crops, orchards and groves; Ruderal land  -

Land use

Land-use Extent (% of site)
agriculture -
not utilised 26%

Protection status National None International Partial8,600 ha of IBA covered by Special Protection Area (Sierra de Alcarama y Río Alhama, 8,600 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Alcarama mountain and Alhama river. Downloaded from on 22/10/2016

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