Trekking

Trekking is a long journey undertaken on foot in areas where common means of transport is generally not available. Trekking is not mountaineering; is days of walking, along with adventure.

The term derived from South African Dutch word trek (noun), trekken (verb), (literally meaning to "pull, travel"), became a word in English language in mid 19th century, and means a long arduous journey, typically on foot.