Sierra de Algairén

Sierra de Algairén is a mountain range in Aragon, Spain, located between the comarcas of Campo de Cariñena and Comunidad de Calatayud. The ridge's highest summit is Pico de Valdemadera (1,276 m).[1]

Sierra de Algairén
The Sierra de Algairén behind Cariñena
Highest point
PeakPico de Valdemadera
Elevation1,276 m (4,186 ft)
ListingList of mountains in Aragon
Coordinates41°21′23″N 01°22′35″W / 41.35639°N 1.37639°W / 41.35639; -1.37639Coordinates: 41°21′23″N 01°22′35″W / 41.35639°N 1.37639°W / 41.35639; -1.37639
Sierra de Algairén is located in Spain
Sierra de Algairén
Sierra de Algairén
Location in Spain
LocationCampo de Cariñena & Comunidad de Calatayud
Parent rangeIberian System
OrogenyAlpine orogeny
Age of rockPaleozoic
Type of rockSandstone and slate
First ascentUnknown
Easiest routeDrive from Almonacid de la Sierra, Cosuenda or Tobed


The Algairén Mountains are covered with forest made up pine, Carrasca (Quercus ilex), cork oak, and also maple trees.[2] They are a Special Protection Area for birds.

These mountains are part of the central area of the Iberian System and the summits are often covered with snow in the winter.


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