Guru Shikhar

Guru Shikhar, a peak in the Arbuda Mountains of Sirohi district in Rajasthan, is the highest point of the Aravalli Range, Rajasthan, and Western India. It rises to an elevation of. It is 75 km from Sirohi city, the district headquarter and 15 km from Mount Abu and a road from there leads almost to the top of the mountain. It is named Guru-Shikhar or 'the peak of the guru' after Dattatreya, an incarnation of Vishnu, and of a cave at the summit contains a temple dedicated to him, plus one dedicated his mother, Anasuya, wife of sage Atri nearby.
Adjacent to the temple is the Mt [Abu Observatory] operated by the Physical Research Laboratory. This observatory hosts a 1.2m infrared telescope and also several Astronomy experiments.