PHITSANULOK, Phitsanulok City spans the banks of Maenam Nan and has Maenam Kwae Noi running through it. Therefore, it is locally known and historically referred to as Song Kwae City (song means two and kwae means a river). Most of Phitsanulok's terrain is flatlands, with one third of the area being mountain ranges on the north and the east. Its unique natural endowments including natural parks and waterfalls make a trip to Phitsanulok worthwhile.