Boljske grede,the imposing rocks, strech for almost 3.5 kilometers and they are high 700meters. Their highest peak is located at the altitude of 2,091 meters above the Komarnica canyon. Boljske grede is a great challenge for climbing enthusiasts. The north wall of these rocks and the wall called Soa Nebeska belong to the group of the most impressive walls of Durmitor whose beauty takes your breath away.