Hemis Monastry is one of the wealthiest, best-known and biggest gompa of Ladakh. Its popularity stems from the major annual festival held here in summer. The festival is in honour of Guru Padma Sambhav's birth anniversary. Hemis was built in 1630 during the reign of Sengge Namgyal, an illustrious ruler of Ladakh. It flourished under the Namgyal dynasty for the royalty favoured the Drugpa sect, which managed the monastery. It is divided into two, the assembly hall on the right and the main temple on the left. The hall Dukhang is also used as "green room" by the dancers during the festival. The temple is known as Tshogkhang. The varandahs have a surfeit of frescoes, among them the Buddhist 'wheel of life' (Kalachakra) and the lords of the four quarters, besides the prayer wheel.