evidence: Kilimanjaro is the highest point in Africa and one of only three mountain ranges on the continent that has glaciers (the others are Mount Kenya in Kenya and the Ruwenzori Mountains on the Uganda-Democratic Republic of the Congo border); Tanzania is bordered by three of the largest lakes on the continent: Lake Victoria (the world's second-largest freshwater lake) in the north, Lake Tanganyika (the world's second deepest) in the west, and Lake Nyasa (Lake Malawi) in the southwest [...] Country name conventional long form: United Republic of Tanzania conventional short form: Tanzania local long form: Jamhuri ya Muungano wa Tanzania local short form: Tanzania former: German East Africa, Trust Territory of Tanganyika, Republic of Tanganyika, People's Republic of Zanzibar, United Republic of Tanganyika and Zanzibar etymology: the country's name is a combination of the first letters of Tanganyika and Zanzibar, the two states that merged to form Tanzania in 1964 [...] Waterways 1,594 km (2022) (Lake Tanganyika 673 km, Lake Victoria 337 km, and Lake Nyasa (Lake Malawi) 584 km are the principal avenues of commerce with neighboring countries; the rivers are not navigable)