About 30km drive from Hoa Binh will lead to a rest house named Kim Boi. The house was built near a large mineral water pool. Visitors sitting inside the house can hear the water, which is at a constant temperature of 36C, continuously spouting out. Scientific tests have shown that the mineral water at
Hoa Binh is a mountainous province located in the north. It is bordered by Son La in the west, Phu Tho and Ha Tay in the north, Ha Nam and Ninh Binh in the east, and Thanh Hoa in the south. The culture of Hoa Binh combines six minorities with their own languages, traditional literature, and festivals.