This 400 year old monastery is the largest in India and the second largest in Asia. An important place for the Mahayana sect of Buddhism, this monastery is the chief tourist attraction in Tawang. Also known as the Galden Namgyal Lhatse, it is situated at a height of 3500 m. The complex is huge with around 65 building inside, one of which is an amazing library containing old manuscripts. There are around 450 lamas and 700 monks living here currently. This is the single Buddhist structure of such size and magnificence in the country. This monastery is also a center for social and cultural events of Tawang. All in all it forms an essential part of life in the Tawang valley and its beauty and serenity can be compared with very few structures.