en Sardab River

The Sardab River (Persian: رود سرداب, romanized: Rud-e Sardâb), or Sardab Rud is a river located 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

Map of central Alborz	Peaks:	1 Alam-Kuh
−25 to 500 m (−82 to 1,640 ft) 500 to 1,500 m (1,600 to 4,900 ft) 1,500 to 2,500 m (4,900 to 8,200 ft) 2,500 to 3,500 m (8,200 to 11,500 ft) 3,500 to 4,500 m (11,500 to 14,800 ft) 4,500 to 5,610 m (14,760 to 18,410 ft)	2 Azad Kuh	3 Damavand
	4 Do Berar	5 Do Khaharan
	6 Ghal'eh Gardan	7 Gorg
	8 Kholeno	9 Mehr Chal
	10 Mishineh Marg	11 Naz
	12 Shah Alborz	13 Sialan
	14 Tochal	15 Varavašt
	Rivers:	0
	1 Alamut	2 Chalus
	3 Do Hezar	4 Haraz
	5 Jajrood	6 Karaj
	7 Kojoor	8 Lar
	9 Noor	10 Sardab
	11 Seh Hazar	12 Shahrood
	Cities:	1 Amol
	2 Chalus	3 Karaj
	Other:	D Dizin
	E Emamzadeh Hashem	K Kandovan Tunnel
	* Latyan Dam	** Lar Dam