Vrelo Bune

The Buna is a short river in Bosnia and Herzegovina and it is a left bank tributary of the Neretva river. Its source (Bosnian: Vrelo Bune), a strong karstic spring, emerging from hugh karstic cavern beneath a high vertical cliff. This region is specific for the diversity of its above-ground and underground hydrography. The source of the Buna river is the finest example of an underground karst river. Its one of the largest and most beautiful springs in Europe, producing approx. 30 m3/sec with extremely cold and clean water.