Guian province whose area is 14711 km 2 has been sepreated from Mazandaran province at east by sefid Tameshk river in between of chaboksar and from Republic of Azerbaijan at west by Astarachay river .Alburz MTs with the average height of 3000 meters , is expended like a wall to the east and south of guilan .the highest summit in guilan is somamouse summit with the height of 3678 metters (sum souices said 3620 meters ) located in Roodsar township which is the highest
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