The Körös () or Criș () ( German: ''Kreisch'') is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

in eastern

Hungary Hungary ( hu, Magyarország ) is a landlocked country in Central Europe. Spanning of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the ...

and western

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central, Eastern, and Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, Serbia to the southwest, Moldova to the east, and ...

. Its length is from the confluence of its two source rivers Fehér-Körös ('' Crișul Alb'') and Fekete-Körös ('' Crișul Negru'') to its outflow into the

Tisza The Tisza, Tysa or Tisa, is one of the major rivers of Central and Eastern Europe. Once, it was called "the most Hungarian river" because it flowed entirely within the Kingdom of Hungary. Today, it crosses several national borders. The Tisza be ...

. Its

drainage basin A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

area is .Analysis of the Tisza River Basin 2007
IPCDR It has three source rivers, all of which have their origin in the

Apuseni Mountains The Apuseni Mountains ( ro, Munții Apuseni, hu, Erdélyi-középhegység) is a mountain range in Transylvania, Romania, which belongs to the Western Romanian Carpathians, also called ''Occidentali'' in Romanian. Their name translates from Ro ...

Transylvania Transylvania ( ro, Ardeal or ; hu, Erdély; german: Siebenbürgen) is a historical and cultural region in Central Europe, encompassing central Romania. To the east and south its natural border is the Carpathian Mountains, and to the west the Ap ...

: Crișul Alb (Fehér-Körös), Crișul Negru (Fekete-Körös) and

Crișul Repede The Crișul Repede (Romanian Crișul Repede ("the rapid Criș"); Hungarian Sebes-Körös) is a river in Bihor County, Crișana, Romania and in southeastern Hungary (Körösvidek). Together with the rivers Crișul Alb ("the white Criș") and Criș ...

(Sebes-Körös). The confluence of the rivers Fehér-Körös (''Crișul Alb'') and Fekete-Körös (''Crișul Negru'') is near the town Gyula. The Körös downstream from Gyula is also called the Kettős-Körös (Hungarian for "double Körös"). 37.3 km further downstream, near

Gyomaendrőd Gyomaendrőd is a town in Békés county, Hungary. The city covers an area of 303.98 km2 with 15,095 residents. The approach to the town is excellent both by road and railway, as the city is crossed by highway number 46 and the Budapest-Szolnok-B� ...

, the Sebes-Körös (''Crișul Repede'') joins the Criș/Körös. The section downstream from Gyomaendrőd is also called the Hármas-Körös (Hungarian for "triple Körös"). The Körös flows into the

River near

Csongrád Csongrád ( ro, Ciongrad; tr, Conğrad sr, Чонград, Čongrad, archaically also ''Црноград/Crnograd'') is a town in Csongrád County in southern Hungary. History At the time of the Hungarian Conquest (the end of 9th century) the ...

. It was known in antiquity as the "Chrysus", ''Crisus'', ''Crisia'', ''Grisia'', or ''Gerasus''.

References

Rivers of Hungary International rivers of Europe {{Hungary-river-stub