Mount Popa, 1500m high is an extinct volcano located about 67 km south east of Bagan. Among the western foothills, the mountain stands a perpendicular rock formation with almost vertical sides. The whole top is dotted with pagodas and shrines which are made accessible by a series of stairways. It is generally known as the abode of legendary “Nats” ( spirit Gods) for which the annual festival is held during the Myanmar month of Nayon (May/June).