The Drepung Monastery is the largest in Tibet. Its foundations were laid in 1416 by Jamyang Chojey, a direct disciple of Je Tsongkhapa, the founder of the Gelukpa Schools. This beautiful monastery is atop the Gambo Utse Mountain, 5 kilometers from the western suburb of Lhasa. Before the Cultural Revolution of 1959, the monastery housed about 15,000 monks. The ground floor of the monastery is organized on the caves and temples of Jamyang Chojey. There are also two white pagodas on which the buildings of this monastery rests. In the southwest corner, there is the Ganden Potrang which is a building which was constructed by the second Dalai Lama in 1530. At the centre, there is the Coqen Hall with a large square before it. A wide series of stone stairs will lead to the Entrance Hall. Once you enter through, you can see the Sutra Hall which is supported by 183 pillars. Inside the monastery there are statues of Sage Manjushri Tsong Khapa and Kwan-yin Bodhisattva. The Coqen hall has the conch of Jamyang Chojey.
Drepung Monastery located 8km from west of central Lhasa is one of the 'Great Three” Gelukpa university monasteries of Tibet, (the other two being Ganden and Sera). Drepung is the largest of all Tibetan monasteries, and was at one time the world’s largest monasteries, home to over 10,000 monks. It was founded in 1416 by Jamyang Chojey, a direct disciple of Je Tsongkhapa, the founder of the Gelukpa school. In 1530, second Dalai Lama established Ganden Palace, home to Dalai Lamas until the 5th Dalai Lama built Potala Palace. In its hey days, it had seven colleges.