Dizin ski complex, in the Alborz mountain range, is the first ski and winter sport resort in Iran, which has been officially recognized, and granted the title by the International Ski Federation for its capability in administrating official and international competitions. Dizin is located 123 kilometers away from Tehran (in Chaloos Road) and 74 kilometers from the city of Karaj and 17 kilometers from Shemshak. This ski resort has 23 lifts, including four cable cars, two ski-lifts, seven dish tel-skis and one Hammer tel-ski.

The development of the resort area amenities include 2 hotels, 19 cottages and 5 restaurants. Good winter weather (-20 Celsius) with high number of sunny days, pleasant summer weather (Max 20°C), abundant amenities and convenient access have changed Dizin into a unique tourist village in winter and summer in the Middle East.

During the summer, grass skiing is possible in this resort. Dizin grass track is 650 meters long. Every year Ski World Championships is held on the lawn in this area. At the same time, in other areas, including the resort of Dizin grass track, other activities such as mountain biking, archery, hang gliding etc. are possible. Travelers visit the flower garden and rare species of alpine plants.