The Duboka (Дубoкa) river (Deep river) is left tributary of the Vrbanja river in (Bosnia). It rises under Međugorje Mountain (1,116 m), and Bojići village (Skender Vakuf), on around 1,030 meters above sea level. It grows strong after large Gladno vrelo (Hungry spring). To its mouth Duboka receives the abundance of streams, brooks and coastal streams (on both of river banks). Cord area around Međugorje (Ravna gora, Ravna planina, Paljike, Paunica and Borak) is extraordinary rich with drinking water streams flowing all over the area.