The Umbwe route is the most difficult, it is steep but short.Umbwe Route is the most difficult route on Mount Kilimanjaro. This route is recommended for climbers with great climbing experience. The route joins the Machame route at Barranco camp on the second day. Visitors to this route will spend the first night at Umbwe Cave camp. This route takes a minimum of six days. The Umbwe route is least used and least crowded compared to the other routes on Kilimanjaro.