Ganden Monastery, also known as Ganden Namgyal Ling, is one of the most significant monasteries in Tibetan Buddhism. It was founded in 1409 by Je Tsongkhapa (1357–1419), the great reformer and founder of the Gelugpa(Yellow Hat) school. He passed away at Ganden in 1419, and his remains are enshrined in a sacred stupa at the site.