The
Una is a river in
Croatia and
Bosnia and Herzegovina. The river has a total length of and watershed area of .
Geography
The Una spring, also known as Vrelo Une, is located at the north-eastern slopes of the
Stražbenica mountain in Croatia. After the river first reaches Bosnia and Herzegovina. It flows through towns and villages of
Martin Brod and
Kulen Vakuf, in a region where it crosses the border between the two countries several times. Near
Ripač it winds into Bosnia, entering
Bihać, turning west on to
Bosanska Krupa and
Bosanska Otoka. Near the villages of Dobretin and
Javornik it becomes the border between Croatia and Bosnia. It then passes by
Bosanski Novi (Novi Grad),
Dvor,
Hrvatska Kostajnica,
Bosanska Kostajnica,
Hrvatska Dubica,
Bosanska Dubica. It flows into the river
Sava near small town of
Jasenovac.
The Una is a right tributary of the
Sava river and the main tributaries are the
Unac, the
Sana, the
Klokot and the Krušnica. The hydrological parameters of Una are regularly monitored in Croatia at
Kostajnica.
Flora and fauna
Over 170 types of medicinal herbs grow by the Una River; a rare plant called
Campanula unensis, the Una
Bluebell, was named after the Una river's bright turquoise and green colors. 28 kinds of fish live in this river and the biggest of which is the
huchen (
mladica, scientific name:
Hucho hucho).
Regatta
There is also an annual event held on the river,...
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