-abulja mountain is next to Velež, another mountain whose slopes are built by Mostar, and its highest peak is Velika Vlajna 1,780 m a.s.l. The trail is the final stage of the Highland Herzegovinian transversal (KT 21). The starting point for climbing on Velika Vlajna is from Bogodol 840 m a.s.l. At about 5.5 km of the light climb to 1.430 m a.s.l there is an artificial lake Gon-uša from which begins a steeper climb first through the beech forest and then a lowland rocky. From the top is a magnificent view of the Drežanka river canyon, a depth of 1,500 m.
Top: Velika Vlajna, 1.780 meters above sea level (m a.s.l.),