Koh Luang Waterfall there is the limestone waterfalls include seven-levels with different heights and the waterfalls every year. The waterfalls in the Mae Ping National Park had prominent point be known as 'Nam Tok Sam Sri', which comes from the water. Below are colorful seasonal changes to 3 colors. The rainy season, the water becomes to ice tea color. The end of rainy season the color of the waterfall begins to change color the turquoise color. In the dry season the water becomes to the emerald color.