Hissar rose to fame as a spa resort due to the healing effect of its numerous mineral springs and its mild climate. There are 22 mineral springs in the town with temperature ranging from 37 ºC to 51 ºC. This is unique not only for Bulgaria, but also for the rest of the world. The water is of low mineralization, clear, colourless, and pleasant for drinking. The magical springs of Hissar differ from our other resorts in their varied chemical composition, temperature and characteristics. Every spring is known to heal different health problems. The healing effects of Hissar mineral springs are countless. They lead to a positive outcome in the treatment of kidney, urological, stomach, and liver conditions, as well as injuries of the locomotive system. In addition, they have a favourable effect on patients with concerns with the digestive system, chronic gastritis, stomach ulcer, gall-stones, diabetes, chronic hepatitis, chronic pancreatitis, and many others.