Calar Alto is the highest peak (2168 m over sea level) in the Sierra de Los Filabres, a mountain chain in Andalusia, Spain. It is also the highest peak in the said mountain range.

Calar Alto
View of the Calar Alto Observatory
Highest point
Elevation2,168 m (7,113 ft)
Coordinates37°13′25″N 02°32′46″W / 37.22361°N 2.54611°W / 37.22361; -2.54611Coordinates: 37°13′25″N 02°32′46″W / 37.22361°N 2.54611°W / 37.22361; -2.54611
Calar Alto is located in Spain
Calar Alto
Calar Alto
Location in Spain
LocationAlmería Province, Spain
Parent rangeSierra de Los Filabres
Mountain typeSchist
Easiest routeFrom Gérgal

It hosts the Calar Alto astronomical observatory, which benefits from two aspects of the climate in the region: the dry atmosphere reduces the restrictions that atmospheric water vapor adds to the transmission characteristics of seeing through the atmosphere (see also the article Tabernas Desert), and the low number of cloudy nights adds nicely to the efficiency of observations through the year.

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