The Avan peak rises to about 3,750 m. and is located in the Alborz Mountain Range in the north of Roodbar. This summit is also known as Kheshteh Chal. In the south west direction it is connected to the gorge and summit of Sialan, and in northwest direction to the Bazakooh and Parch Kooh mountains. The Azgin, Sefid Ab and Avan rivers originate in the southern highlands whereas the Chalak river originates from north. The beautiful and splendid lake of Avan lies in the southern skirts of the mountain. It gains its water from the springs in the lake.
Evan Lake, located 88 km North East of Qazvin. Tehran-Qazvin Qazvin freeway entrance and in terms of the local people, get to the loneliest stretch, your right hand side you can see into the ravine. Qazvin and Alamut track the path of prairie and of course the spectacular and rugged mountains and is very beautiful and full of dangerous precipice to proceed. When you pass the prairie Rajai about 3 hours to walk the path came to a crossroads. Goes one way and the other way to the lake early in the ravine. After 8 kilometers beyond the village green Zarabad, the final pass to reject, Lake Evan found. Evan is a lake with an area of 70 thousand ...see more square meters at an altitude of 1815 meters above sea level in the four villages Evan, Vrbn, pilgrims plain Zarabad is located. According to the latest estimates of the depth of the lake in the 92 conducted a dive to 6.8 meters was measured. Does not fall into the lake and river water from boiling springs lake floor comes up and the overflow water supply, farmlands are around food.