Montsec Astronomical Observatory, Astronomical research center in Sant Esteve de la Sarga, Spain.
The Montsec Astronomical Observatory is a research facility located in the Montsec mountains at 1570 meters elevation near Sant Esteve de la Sarga. Multiple telescopes and observation equipment operate from this mountain site in favorable conditions for studying the night sky.
The Institute of Space Studies of Catalonia established this research facility in 2008 to support astronomical research and educational outreach to the public. The mountain location was chosen specifically to provide optimal conditions for observation far from urban interference.
The observatory draws students and astronomy enthusiasts to explore space sciences through hands-on exhibitions and a digital planetarium. The teaching approach makes astronomy accessible to visitors of all backgrounds interested in learning about the cosmos.
The site is reached by taking the C-13 road toward Guàrdia de Noguera, then following signs to Sant Esteve de la Sarga and turning left at the Ares pass. The location requires driving on mountain roads, so plan for a slower journey from nearby towns.
The facility earned UNESCO Starlight Reserve certification in 2013 for its exceptionally clear night skies and minimal light pollution. This international recognition reflects how important the location is for serious sky observation and research.
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