The spring springs on the southern edge of the basin, at an altitude of 350 m, below the Big Black (539 m). The vase is used at the bottom of the Great Kuril slope in various limestone, layered, bank and massive, and at the bottom covered with blocks and sculpted material. It is open to the north where it is enclosed by a wall about 3 m high, which creates an enriched basin. The basin is deep about 2.5 m with a diameter of 15 m, and its bottom is covered with scorpion and clay material. The springs of the springs are spacious and include Veliko kurilo, Popov and Šljivovički vrh (1256 m).The spring clouds of the spring consist of three types of limestone walls. The forehead is constructed of bank lime trees. On them from the east side are layered limestone, while on the opposite side are found massive limestone. The contacts between the different limestone walls are marked by rashes that cut at an angle of 35º at the top of the source spring, about 30 meters above the boiling point. In this tectonic structure, a cave system was built, from which the Belopalanac spring emerged.