Trekking path planning The concept of trekking path is from European countries, with the purpose of promoting trekking and national fitness. The French Trekking Association was founded in the 1960s. since then the standard of national trekking path was widely popularized. Till now, the length of trekking path in France has been over 180,000 kilometers and there are over 8,000 volunteers serving for the trekking path.