Tibetan Buddhists traditionally visit the Jokhang Monastery first and the Chagyima Hall second. In Tibet, Riwooe means high mountains. There are emerald mountains shaded by towering trees and it originally belonged to the Darlung Gagyu Sect. Legend has it that the Rabxi family lived here, engaged mainly in farming. In 1277, while Rabxi was tilling the land, he met an old monk sitting by the field dyke. He was the son of the 4th Prince of Dharma of the Darlung Monastery, and told Rabxi he intended to have a monastery built here. Rabxi assisted the monk in the construction, and the monk, named Sanggyiwen, served as its first abbot. In 1326, Abbot Wogyain Gongbo had the Chagyima Hall built. As the Chagyima Hall was unique in shape and very elegant, it became the symbol of the Darlung Gagyu Sect. As the monastery and the hall were located in Riwooe, they were eventually referred to as the Riwooe Monastery.