Zagros mountain range extending northwest-southeast from the border areas of eastern Turkey and northern Iraq to the Strait of Hormuz. Zardkooh Bakhtiari or Zardkuh mountain range is located between the two great rivers Koohrang and Bazaft. This mountain with a length of 123 km and an average width of 20 km, in southwestern Iran and the westernmost part of Chaharmahal and Bakhtiari province and east and northeast of Khuzestan province. Zardkooh is one of the richest water reserves in Iran, the source of important rivers such as Karun, Karkheh, Zayandeh Rud and Dez so it’s really worth to climb this mountain.This range has many peaks above 3,000 meters and 4 important peaks above 4,000 meters. Klonchi (Klonchin) with a height of 4,221 meters, is the roof of Chaharmahal and Bakhtiari province and the highest peak of this mountain range. After Klonchi, the peaks of Haft Tanan with a height of 4,180 meters, Shah Shahidan with a height of 4,076 meters and Dozardeh with a height of 4,000 meters are the highest peaks of yellow mountain.