The Kostenski waterfall (Kostenets waterfall, Костенски водопад) is nice waterfall with a single drop of approximately 12 meter. The waterfall is located south of Kostenets in the region Sofia, Bulgaria.
From Kostenets the Kostenski waterfall is easy to reach. Drive southwest until the road ends. There is enough space to park the car. Within 5 minutes you reach the Kostenski waterfall.