Description: Hanle Observatory is the Indian Astronomical Observatory on Mt. Saraswati, Digpa-ratsa Ri, Hanle village. It is located near south-eastern Ladakh in the eastern Jammu and Kashmir state, India. It is the world's highest Observatory. It is operated by the Indian Institute of Astrophysics, Bengaluru. The Observatory is at an altitude of 4,500 m (14,764 ft).