Mount Kolon Bastak Northern Tehran has countless mountains above 4000 m. which are geographically located in central Alborz mountains.  Mount Kolon Bastak is one of the highest summits in the region with an altitude of 4170 m. above sea level.  The closest village to this summit is Shemshak being 40 km north of Tehran and

Mount Sarak Chal Mount Sarak Chal is one of the highest summits in the central Alborz Mountains at 4210m above sea level. There are actually three Sarak Chal peaks which are located on the famous Kolon Bastak-Sarak Chal mountain ridge line. All three mountains are above 4000 m. The closest village to this mountain is

  Shemshak village is one of the highest villages in Iran situated in the heart of the Central Alborz Mountain, with 2,700 m altitude. It is only 65 km from the centre of Tehran, about a 1 ½- hour drive to reach through a mountainous road. There is also a ski resort beside Shemshak village