Iran the country of ancient culture, rich history, unique architectural masterpieces, and natural beauty is a true paradise for anyone who loves and enjoys history and nature. The tourism industry is drastically developing, attracting more and more tourists from all over the world. Iran, with varied and rich resources, has more than150 protected areas and 26 national parks which is a suitable place for eco-tourism and visitors can not only see but also touch the pristine nature. Ecotourism can be considered an attractive aspect of tourism that includes mountaineering, caving, migration of nomads, diving, ice climbing, desert hiking, biking in the desert and rock climbing. Due to a very diverse natural setting, Iran offers a lively and interesting environment to the nature lovers. The nature setting varies from north to south. It embraces temperate forests in the north with relatively high humidity and rainfall, deserts and salt lakes in the central parts, towering mountain ranges and picks, as well as glaciers and coastal areas. You can enjoy 4 seasons’ weather in one day all year round in Iran. From high and snow-capped mountains like majestic mount Damavand, large lakes and rivers, stunning jungles and grasslands in the north to hot and dry lands in the Lout desert and tropical weather in the coast of Persian Gulf there is the possibility of enjoying different weather diversity all year round (Source: EAVAR).