Calar Alto is the highest peak (2168 m over sea level) in the Sierra de Los Filabres, a mountain chain in

Andalusia Andalusia (, ; es, Andalucía ) is the southernmost autonomous community in Peninsular Spain. It is the most populous and the second-largest autonomous community in the country. It is officially recognised as a "historical nationality". The ...

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' ( Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...

. It is also the highest peak in the said mountain range. 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.

External links

Calar Alto Observatory Homepage
{{Spain-geo-stub Mountains of Andalusia Geography of the Province of Almería Penibaetic System Two-thousanders of Spain