The first stupa at Boudhanath was built sometime after AD 600, when the Tibetan king, Songtsen Gampo, converted to Buddhism. In terms of grace and purity of line, no other stupa in Nepal comes close to Boudhanath. From its whitewashed dome to its gilded tower painted with the all-seeing eyes of the Buddha, the monument is perfectly proportioned. Join the Tibetan pilgrims on their morning and evening koras (circumambulations) for the best atmosphere.