Term trekking comes from Southern Africa. Verb trek means to pull something or to travel. In the middle of the 19th century this term became familiar in English and it means a long journey on foot.
Trekking is a long journey on foot in areas where other means of transport is not available. It mostly includes walking on trails. Climbing is usually not a part of a trekking. Best known are trekking routes in the valleys between the mountains in Himalaya, where they can reach altitude up to 5000 meters.
Trekking requires good physical condition, since the duration of these hikes can be several days or even a few weeks. Trekking is a perfect way of spending an active holidays that gives us genuine contact with nature.