The cave situated to the south of the Bihor Massif shelters a glassier, a monument of nature. The entrance stands at an altitude of 1,200 m, by a gallery 48 m deep. The vault at the entranceway lets light penetrate the whole cave which comprises: the Large Hall, the Small Hall, and the Old Church. In the Large Hall and the Great Church there are ice stalagmites. In the Palace of Fairies one can see limestone structures.