Map showing the Jajrud

The Jajrud (Jājrūd) (Persian: جاجرود), also spelled as Jajrood, Djadjéroud or Djaderoud, is the largest river in Shemiranat County, Tehran province, Iran. Its sources are actually three different massifs of Southern Alborz mountain range and it flows mostly southwards until it is drained into the endorheic Namak Lake. Jajrud drainage basin covers an area of 698 square kilometres. There are two dams on Jajrud, Latyan Dam on upstream and Mamloo Dam on downstream, which are the main source of drinking water and hydropower for citizens of east and southeast of Tehran.

Central Alborz mountain range map

Number 5 on the lower side of map shows the Jajrud.

Map of central AlborzPeaks: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 Kuh3 Damavand
4 Do Berar5 Do Khaharan
6 Ghal'eh Gardan7 Gorg
8 Kholeno9 Mehr Chal
10 Mishineh Marg11 Naz
12 Shah Alborz13 Sialan
14 Tochal15 Varavašt
Rivers:0
1 Alamut2 Chalus
3 Do Hezar4 Haraz
5 Jajrood6 Karaj
7 Kojoor8 Lar
9 Noor10 Sardab
11 Seh Hazar12 Shahrood
Cities:1 Amol
2 Chalus3 Karaj
Other:D Dizin
E Emamzadeh HashemK Kandovan Tunnel
* Latyan Dam** Lar Dam

See also