Lo Manthang is a walled city located at an altitude of 4,000 m in Mustang, northern Nepal. It is a former principality which was once ruled by the Raja of Mustang. There is a monastery of the Sakyapa order located within the walled city which was constructed in the 15th century. It contains priceless old manuscripts and idols of the Buddhas. A special permit is required to visit upper Mustang that lies to the north of Kagbeni.
Access: Upper Mustang is accessible via Jomsom which is accessible by both air and land. Upper Mustang is five days trek from Jomsom.