Trekking is a term which is derived under the concept of adventure Tourism. It generally means to walk freely in the mountains, consequently one who loves going on outdoors, dares against nature and have a stamina to climb the challenging high points, may join trekking trips. Usually the treks are characterized as soft, medium and tough.For those fascinated by the unexplored, the hills of India offer breathtaking adventurous trekking routes. Trekking is the best way of getting to know any land, its people,
its culture and traditions.Trekking is very often confused with mountaineering. Whilst mountaineering is more technical in nature and entails a lot of preparation in the way of equipment, provisions, technical data, weather reports etc. Trekking does not require anywhere near as much preparation. From time immemorial, hill folk and pilgrims trekked over hills and dales due to lack of roads and means of transportation.Adi Shankaracharya trekking in the Garhwal Himalayas in the 8th century A. D. and he was the pioneer who opened trekking routes in this part of the country.