According to the recent survey, the country has more than 400 mountain streams, 260 of which are equivalent in taste and health index to springs around the world's areas of macrobians.

Those springs have been verified to be efficacious for digestive, endocrine and central nervous systems. They are also good for urination, hematosis and anti-inflammation function.

As well known to the world, in the country there are many and rich fountains, including Sindok mineral water and spas. In the 1970s and 1980s foreign experts stressed at international meetings that the DPRK is a zone for naturopathy with rich spas, mineral waters and springs.

Recently, a lot of springs were found around Ullim Falls and Mt. Chilbo through an intensive survey conducted under the government's decision for the improvement of people's health.