 Its surface area varies between 2,5 and 6 km², while its average depth is 1,9 m, with altitude of 1.184 m a.s.l.Accompanying some of the rocky and seemingly lifeless slopes are thick forests of pine, including the endemic white-bark pine at Masna Luka called Pinus leucodermis "(Bosnian pine)".Three types of wild thyme and dozens of wild flowers cover the valley and mountain sides in the spring and summer.