Cave Vranjaca is situated in the foothills of the central part of Moser, the northern side. The cave is 65 meter deep, and separated in more champers, in the upper part, evidence has been found that people where living here several thousand years ago. The cave is about 65-70 million years old, and it was created by an underground river. Today parts of the river Jadro are running about 10 meters below the lower parts of the cave.