The highest area of Paklenica National Park is the narrow ridge of Velebit, 1 to 3 km wide. The highest peak of Velebit – Vaganski vrh (1 757 m asl) is also here. The area of Paklenica National Park is one of the most completely explored areas in Croatia in terms of speleology. 76 speleological objects are known and have been explored in the Park, namely 39 pits and 37 caves. We will mention some of the most interesting speleological objects in the National Park. Vodarica Pit is the longest cave in Velebit at 300 meters, Precipice on Bunovac (534 m) is the deepest object in Central and South Velebit.