The
Aladagh Mountains or the
Aladagh Range refers to a mountain range situated in the southeastern section of
North Khorasan Province in the northeastern part of
Iran southeast of the
Caspian Sea. The range is located almost 25 kilometres south of
Bojnurd, the capital city of North Khorasan. The Aladagh Mountains merge with the
Elburz or
Alborz Mountains in the west and then run southeastwards in a northwest-southeast direction. The highest peak of the range is
Mount Shahjahan with an elevation of 3032 metres. This peak is located about 35 kilometres east of
Esfarayen almost in southeastern part of North Khorasan Province.