Ier

For other uses, see Ier (disambiguation).

The Ier or Eriu (Hungarian: Ér) is a right tributary of the river Barcău (Berettyó) in Romania and Hungary.^[1][2] It discharges into the Barcău in Pocsaj. The Andrid Dam is constructed on this river. The Ier flows through the villages Mihăieni, Eriu-Sâncrai, Ghirolt, Rădulești, Hotoan, Sudurău, Dindești, Andrid, Sălacea, Cherechiu, Săcueni, Diosig in Romania, and Pocsaj in Hungary. In Romania, its length is 100 km (62 mi) and its basin size is 1,392 km² (537 sq mi).^[2]

Ier Ér
The frozen river
Show map of Hungary Show map of Romania
Location
Countries	Romania and Hungary
Counties	Satu Mare Bihor Hajdú-Bihar
Villages	Andrid Săcueni Diosig Pocsaj
Physical characteristics
Mouth	Barcău (Berettyó)
• location	Pocsaj
• coordinates	47.2779°N 21.7997°E / 47.2779; 21.7997
Basin features
Progression	Barcău→ Crișul Repede→ Körös→ Tisza→ Danube→ Black Sea
Tributaries
• left	Checheț
• right	Salcia

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, Santău, Sărvăzel, Pir
• Right: Cubic, Sânmiclăuș, Pârâul Morii, Zimoiaș, Rât, Salcia, Ierul Îngust