Zrmanja (, ) is a river in southern

Lika Lika () is a traditional region of Croatia proper, roughly bound by the Velebit mountain from the southwest and the Plješevica mountain from the northeast. On the north-west end Lika is bounded by Ogulin-Plaški basin, and on the south-east by t ...

and northern

Dalmatia Dalmatia (; ; ) is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Kingdom of Croatia (925 ...

Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...

. It is long and its basin covers an area of . It was known to the

ancient Romans The Roman people was the ethnicity and the body of Roman citizenship, Roman citizens (; ) during the Roman Kingdom, the Roman Republic, and the Roman Empire. This concept underwent considerable changes throughout the long history of the Roman ...

as ''Tedanius''. The spring of Zrmanja is located in southern part of Lika under Postak - the southern peak of Pljesevica mountain, and close to south end of

Velebit Velebit (; ; ) is the largest, though not the highest, mountain range in Croatia. The range forms a part of the Dinaric Alps and is located along the Adriatic coast, separating it from Lika in the interior. Velebit begins in the northwest near ...

mountain. It is characteristic for its spring located on the bottom of very steep, almost 200 m high funnel shape rock called Misije. It flows southward through the narrow and long arable valley which encircles the southern end of Velebit through a 200-metre-deep canyon, and then turns westwards, reaches Obrovac, and after a few kilometers flows into the

Adriatic Sea The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...

in the bay named ''Novigradsko more''. Its main tributary is right bank Krupa river, rich in

tufa Tufa is a variety of limestone formed when carbonate minerals precipitation (chemistry), precipitate out of water in ambient temperature, unheated rivers or lakes. hot spring, Geothermally heated hot springs sometimes produce similar (but less ...

and

travertine Travertine ( ) is a form of terrestrial limestone deposited around mineral springs, especially hot springs. It often has a fibrous or concentric appearance and exists in white, tan, cream-colored, and rusty varieties. It is formed by a process ...

rock sediments forming around its numerous waterfalls. In the 1990s the Velebit area was declared a nature park. Rafting trips on Zrmanja take place in spring and autumn, while kayaks and canoes are used during low water level period of July and August. The river was hit by an ecological disaster in December 2019 when waste from a former alumina plant was washed into the karst underground. Alkaline mud has been kept in open pools since the closure of the plant.

References

Where is Zrmanja on map?
Rivers of Croatia Drainage basins of the Adriatic Sea {{Croatia-river-stub