| Ier Ér | |
|---|---|
 The frozen river | |
   | |
| Location | |
| Countries | Romania and Hungary |
| Counties | |
| Villages | |
| Physical characteristics | |
| Mouth | Barcău (Berettyó) |
• location | Pocsaj |
• coordinates | 47°16′40″N 21°47′59″E / 47.2779°N 21.7997°E |
| Basin features | |
| Progression | Barcău→ Crișul Repede→ Körös→ Tisza→ Danube→ Black Sea |
| Tributaries | |
| • left | Checheț |
| • right | Salcia |
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]
- ^ "Planul național de management. Sinteza planurilor de management la nivel de bazine/spații hidrografice, anexa 7.1" (PDF, 5.1 MB). Administrația Națională Apele Române. 2010. p. 220.
- ^ a b Atlasul cadastrului apelor din România. Partea 1 (in Romanian). Bucharest: Ministerul Mediului. 1992. pp. 123–125. OCLC 895459847. River code: III.1.44.33.28