The Ier or Eriu () is a right

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the river

Barcău The Barcău or Bereteu ( Romanian or Berettyó in Hungarian) is a river which has its origin in Sălaj County, Romania. It is about long with a watershed area of .Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...

and

Hungary Hungary is a landlocked country in Central Europe. Spanning much 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 south, Croatia and ...

. It discharges into the Barcău in

Pocsaj Pocsaj () is a village in Hajdú-Bihar county, in the Northern Great Plain region of eastern Hungary. Geography It covers an area of and has a population Population is a set of humans or other organisms in a given region or area. Governme ...

. The Andrid Dam is constructed on this river. The Ier flows through the villages Mihăieni, Eriu-Sâncrai, Ghirolt, Rădulești, Hotoan, Sudurău, Dindești,

Andrid Andrid (, Hungarian pronunciation: ) is a commune situated in Satu Mare County, Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north ...

Sălacea Sălacea () is a Commune in Romania, commune in Bihor County, Crișana, Romania with a population of 3,036. It is composed of two villages, Otomani (''Ottomány'') and Sălacea. The Otomani culture, a local Bronze Age in Romania, Bronze Age culture ...

Cherechiu Cherechiu () is a commune in Bihor County, Crișana, Romania with a population of 2,248 as of 2021. It is composed of three villages: Cherechiu, Cheșereu (''Érkeserű''), and Târgușor (''Asszonyvására''). The commune is situated at an alti ...

Săcueni Săcueni (; ; ; ''Seklhid''; ), often spelled ''Săcuieni'', is a town in Bihor County, Crișana, Romania. It administers five villages: Cadea (''Kágya''), Ciocaia (''Csokaly''), Cubulcut (''Érköbölkút''), Olosig (''Érolaszi''), and Sân ...

Diosig Diosig () is a commune in Bihor County, Crișana, Romania with a population of 6,816 people. It is composed of two villages, Diosig and Ianca (''Jankafalva''). The commune is located in the northwestern part of the county, on the banks of the riv ...

in Romania, and

in Hungary. In Romania, its length is and its basin size is .

Hydronymy

The Hungarian name of the river means "brook". The Romanian name derives from that.

Tributaries

The following rivers are tributaries to the river Ier: *Left:

Checheț The Checheț is a left tributary of the river Ier in Romania. It flows into the Ier near Căuaș Căuaș (, Hungarian pronunciation: ) is a commune of 2,259 inhabitants situated in Satu Mare County, Crișana, Romania. It is composed of six vill ...

Santău Santău ( ) is a commune in Satu Mare County, north-western Romania. It is composed of three villages: Chereușa (''Érkőrös''), Santău and Sudurău (''Érszodoró''). The earliest document to mention Santău dates to 1213, and is found in t ...

Sărvăzel The Sărvăzel is a left tributary of the river Ier in Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to t ...

, Pir *Right:

Cubic Cubic may refer to: Science and mathematics * Cube (algebra), "cubic" measurement * Cube, a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex ** Cubic crystal system, a crystal system w ...

, Sânmiclăuș, Pârâul Morii, Zimoiaș, Rât, Salcia, Ierul Îngust

References

* Memoriu privind planul de apărare împotriva inundațiilor Satu Mar

Rivers of Romania Rivers of Bihor County Rivers of Satu Mare County Rivers of Hungary International rivers of Europe {{SatuMare-river-stub