Hanle Astronomical Observatory

The Indian Astronomical Observatory (IAO) is a premier high-altitude astronomy research facility situated in Hanle, India, and managed by the Indian Institute of Astrophysics. Nestled in the Western Himalayas at an impressive elevation of 4,500 meters (14,764 ft), the IAO boasts a unique location, ranking among the world's highest sites for cutting-edge optical, infrared, and gamma-ray telescopes. Notably, it stands as the tenth highest optical telescope globally, offering unparalleled opportunities for astronomical research and discovery.