Hin Dat Hot Spring, formerly known as Kuimang Hot Spring, located 130 km. from Kanchanaburi between Km. 105-106 on Highway 323.
It is a well of natural hot water of 45-55 degrees Celsius discovered beside a stream of cool water by Japanese troops during World War II and two cement wells were then constructed at the site.
It is believed that the water from this hot spring has a healing property for various ailments such as beriberi and rheumatism.
A hot spring bath in the well is available.