In the central part of Durmitor , on the altitude level of 2.028 m is situated Zeleni Vir(Green vortex) and it is not too far away from the most highest Durmitor peak, Bobotov kuk ,just 1 km. Its length is 50 m, its width is 40 m and its depth is 2 m. text: http://durmitorcg.wordpress.com/national-park/lakes/