Wikipedia
Barcău (Criș)
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 . After crossing Bihor County in Romania and Hajdú-Bihar and Békés County in Hungary, it flows into the Sebes-Körös (Romanian: Crișul Repede) near Szeghalom.
The upper reach of the Barcău, upstream of the junction with the Răchita River is locally called the Ștei, Berchesei or Bărcașu. The reach between the junctions with the Răchita and the Toplița is locally known as the Tusa. The name Barcău is only used following its confluence with the Toplița.