Pak Chong Nam Phut or Ban Tha Chang Natural Spring is located at Mu Si Subdistrict, Pak Chong District, Nakhon Ratchasima Province. It is a water eye with water springs all year round. Naturally, the water that springs up will be rainwater that falls into the underground. and before it rises from the surface, it is filtered from calcium carbonate rocks. The height is high, so the water is clear and blue and green. that is similar to the Emerald Pool, sure enough