The Tara (Serbian Cyrillic: Тара) is a river in Montenegro and Bosnia and Herzegovina. It emerges from the confluence of the Opasnica and Veruša Rivers in the Komovi mountain, part of Dinaric Alps of Montenegro. The total length is 144 km, of which 104 km are in Montenegro, while the final 40 km are in Bosnia and Herzegovina; it also forms the border between the two countries in several places.