Cașin (Râul Negru)

The Cașin is a right tributary of the river Râul Negru in Romania. It discharges into the Râul Negru in Catalina. It flows through the villages and towns Plăieșii de Sus, Plăieșii de Jos, Iacobeni, Valea Seacă, Sânzieni, Târgu Secuiesc and Catalina. Its length is 54 km and its basin size is 482 km2.

Tributaries
The following rivers are tributaries to the river Cașin (from source to mouth):


 * Left: Borviz, Cetatea
 * Right: Carpen, Pârâul Primejdios, Bella, Pârâul Adânc, Valea Seacă, Cetatea de Piatră, Pârâul Văii, Turia