The Zambezi river is Africa’s fourth- largest river and is one of the finest and least spoilt in the world. is in Southern Africa. The river is 2,200 miles long, but boats can travel only on about 460 miles of it because of its waterfalls and rapids. It’s source from a tiny spring in North-western Zambia and flows for 2,700 kilometers. into the Indian Ocean at its delta o the Mozambique coast.