In a beautiful picturesque place of Krainka in Tula Oblast with a favorable temperate climate and air saturated with salts and minerals, 250 km from Moscow, in the territory of the Likhvinsky geological fault, a unique balneological resort with a 170-year history is located. The Likhvinskiye Vody Spa-Hotel in Krainka is located near the picturesque coast of the Oka River, Optina Desert, and Dobrinsky Monastery. This is the closest to Moscow full-fledged natural resort with healing mineral waters and muds, which is listed in the UNESCO register. Due to the presence of mineral waters Krainka NN 1, 2, 3, 4 and therapeutic peat mud in the resort, the Likhvinskiye Vody Health Resort successfully treat diseases of the digestive system, locomotor system, peripheral nervous system, kidney and urinary tract diseases, and gynecological diseases.