The Iaz is a left

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 ...

. It discharges into the Barcău in Boghiș.Iaz (jud. Salaj)
e-calauza.ro Its length is and its basin size is .

References

Rivers of Romania Rivers of Sălaj County {{Sălaj-river-stub