The Secaș (also: Secașul Mic) is a left tributary of the river Târnava in Romania. It discharges into the Târnava in Obreja.Secas / Secasul Mic (jud. Alba), e-calauza.ro Its length is and its basin size is .
Tributaries The following rivers are tributaries to the river Secaș (from source to mouth):
Left: Lunca Satului, Valea Pustie, Trecătoarea, Valea Hăncii, Păuca, Gârdan, Ungurei, Valea lui Sânui, Bolânda, Ohaba, Gârbău, Valea Seacă, Henig, Valea Largă
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