Ganden monastery is the first and the greatest of the six Gelug Sect’s monasteries, which is called one of “the three principal monasteries” (the other two are Dreprung Monastery and Sera Monastery). At its peak, it had a registration of more than 4,000 monks. The monastery was established by Tsongkhapa the founder of Gelug Sect, in 15th century. It takes about 2 hours to reach the monastery by car.