The terrain. The park area dam part caused by building dam block River mother drum major tributaries) by the river. The creek, the creek flow line into the reservoir property, such as the mother brook turmeric. Huai Kha khaeng mother brook the Huai "glorious and mother brook pool Etc. there are also many Creek stream line flowing into the River Kwai Sai Yok district area, such as the Huai linthin. The topography of the limestone mountains and sedimentary rocks. The maximum altitude, about 1 100 meters from the sea level, the average height is 400 meters. Water area in the North Lake dam elevation around 180 meters from the sea level, the water level.