It springs from Ribnite Lakes, which together with another 12 lakes are known as Bunderishki Lakes. The lakes are located in the Banderitsa circus at altitude over 2100 m. Bunderitsa River has rainy, snow and lakes supply. During the dry periods of the year, the water is lost at the upper end of Banderishka Polyana. The river valley is covered with coniferous forests - klek, fir, white pine, spruce, fir. The length of Banderitsa River is 13.1 km and the area of its catchment area - 36.5 km2.