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The Lar River is located in northern Iran, in the province of Mazandaran and Tehran. It flows through the Alborz mountain range, and is a tributary of the Haraz River.

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

v t e Rivers of Iran
Lake Urmia basin	Aji Chay Quri Chay Alamlou River Barandouz River Gadar River Ghaie River Leylan River Mahabad River Nazlou River Rozeh River Shahar River Simineh River Zarrineh River Saqqez River Zola River
Persian Gulf basin	Arvand Rud Karun River Marun River Dez River Koohrang Jarahi River Bahmanshir Mehran River Mond River
Oman sea basin	Bahu Kalat River
Caspian basin	Aras Sefid-Rud Ghezel Ozan Shahrood (River) Alamut River Zarjoob Chalus River Sardab River Haraz River Lar River Atrek River Kojoor River Do Hezar River Atrek River Qarasu River Gorganrud River Astarachay
Gavkhouni basin	Zayanderud
Namak Lake basin	Qom (River) Abhar River Jajrud Karaj River Jajrud
Hamun-e Jaz Murian basin	Halil River Bampur River
Other	Shesh Taraz