Lashio is the largest town in northern Shan State, Myanmar, about 200 kilometres north-east of Mandalay. It is situated on a low mountain sp…Lashio is the largest town in northern Shan State, Myanmar, about 200 kilometres north-east of Mandalay. It is situated on a low mountain spur overlooking the valley of the Yaw River. Loi Leng, the highest mountain of the Shan Hills, is located 45 km to the south-east of Lashio.