Length of cave is 23 kilometres, from them about three accessible for a review; it only from the cascade of the Podolsk caves, open for a visit whole-yearly; a temperature here both in summer and the winter remains permanent are 11 degrees higher than zero at relative humidity of air about 100%. By the feature of cave there is that, that in her enhanceable ionising of air and water, absolute absence of pathogenic organisms, and the mineral peat-silt and water is recently educed.To cover the walls of cave snow-white, and also by the crystals of secondary gypsum painted in different colors, from here and the name - Crystal . All of it does "Crystal" a найперспективнешим object for medical and recreational aims. The excursion route of cave has electric illumination and comfortable enough. For his passing it is not needed the special equipment and clothes. But some off-route areas of cave are closed for tourists with the purpose of prevention of violation of microclimate of cave and negative .Length of cave is 23 kilometres, from them about three accessible for a review; it unique from the cascade of podilskykh caves, opened for a visit whole-yearly; temperature here and in summer, and in winter it remains permanent — 11 degrees higher zero at relative humidity of air about 100%.