sentences:  The altitude of this park varies from 570 m (in valley of Ba River to 1,748 m (Kon Ka Kinh peak).Streams from the eastern part of the park are a water source for the Ba River, a twisted river running north–south until it meets the confluence A Yun River and then changes its direction to northwest–southeast before emptying into the South China Sea in Tuy Hòa city; while to the west of the river lie distributaries of the Mekong river.Owing to the sloping topography, rivers in this park are short, run fast, and create many waterfalls.