The Kupa () or Kolpa ( or ; from la, Colapis in Roman times; hu, Kulpa) river, a right tributary of the Sava, forms a natural border between north-west Croatia and southeast Slovenia. It is long, with its border part having a length of and the rest located in Croatia.

Name

The name ''Colapis'', recorded in

antiquity Antiquity or Antiquities may refer to: Historical objects or periods Artifacts *Antiquities, objects or artifacts surviving from ancient cultures Eras Any period before the European Middle Ages (5th to 15th centuries) but still within the histo ...

, is presumed to come from the Proto-Indo-European roots ''*quel-'' 'turn, meander' and ''*ap-'' 'water', meaning 'meandering water'. An alternative interpretation is ''*(s)kel-''/''*skul-'' 'shiny, bright', meaning 'clear river'. Kupa River from Šišinec

Course

The Kupa originates in Croatia in the mountainous region of Gorski Kotar, northeast of

Rijeka Rijeka ( , , ; also known as Fiume hu, Fiume, it, Fiume ; local Chakavian: ''Reka''; german: Sankt Veit am Flaum; sl, Reka) is the principal seaport and the third-largest city in Croatia (after Zagreb and Split). It is located in Primor ...

, in the area of Risnjak National Park. It flows a few kilometers eastwards, receives the small Čabranka River from the left, before reaching the Slovenian border. It then continues eastwards between the White Carniola region in the north and Central Croatia in the south. The Kupa receives influx from the river Lahinja from the left in Primostek, passes Vrbovsko, and eventually detaches from the Slovenian border having passed Metlika. It then reaches the city of

Karlovac Karlovac () is a city in central Croatia. According to the 2011 census, its population was 55,705. Karlovac is the administrative centre of Karlovac County. The city is located on the Zagreb- Rijeka highway and railway line, south-west of Zagre ...

, where it receives influx from two other rivers from the right, Dobra and Korana (which in turn is joined by Mrežnica). The Kupa continues flowing to the east, where it merges with Glina from the right, it then passes through two small towns called Šišinec and Brkiševina, and then proceeds to the town of

Sisak Sisak (; hu, Sziszek ; also known by other alternative names) is a city in central Croatia, spanning the confluence of the Kupa, Sava and Odra rivers, southeast of the Croatian capital Zagreb, and is usually considered to be where the Posavin ...

where it merges with

Odra Odra may refer to: Rivers * Odra (Poland), also known as Oder, a river in Czech Republic, Poland and Germany * Odra (Kupa), a river in Croatia * Odra (Spain), a river in Spain Populated places * Odra, Silesian Voivodeship, a village in southern ...

from the left and, after passing through Sisak town centre, flows into the Sava River.

Pollution

Fairly unpolluted downstream to Karlovac, the upper Kupa is a popular place for bathing in summer. The section from Stari Trg down to Fučkovci since 2006 is part of the Slovenian Krajinski park Kolpa nature reserve. The hydrological parameters of the Kupa are regularly monitored at Radenci, Kamanje,

, Jamnička Kiselica and Farkašić.

References

Sources

External links

source of Kupa picturesAwarded "EDEN - European Destinations of Excellence" non traditional tourist destination 2010
{{DEFAULTSORT:Kupa (River) Rivers of Croatia Rivers of White Carniola International rivers of Europe Croatia–Slovenia border Border rivers Natura 2000 in Slovenia Landforms of Karlovac County