Sardab River
Sardab River (), or Sardab Rud is a river in Mazandaran Province of northern Iran.

The river flows northwards, through the Central Alborz mountain range.

It is a tributary of the Chalus River, which flows into the Caspian Sea.

Central Alborz mountain range map

See also 
 Kelardasht
 Sardab Rud

Rivers of Mazandaran Province
Alborz (mountain range)
Tributaries of the Chalus River