Wat Wang Khanai, the location of a mineral spring in Kanchanaburi, was analyzed and proven by Kasetsart University, Kamphaengsan Campus staff, as a place with variety of minerals in the water. The spring is suitable for those with paralysis, beriberi, physical weakness, poor circulation, or those with acnes, blemish, dermatitis, bone pains. Then, 57 ponds have been built for visitors to soak in the water.