A rift valley is formed by sinking of land between two regularly parallel faults. But the unusual thing of the Great Rift Valley is that it extends for thousands of km. In Africa, it extend from lake Malawi in the south to red sea in the south west Asia.

There are no great mountains ranges but most of Africa is covered with plateaus. In the east there are valleys 7000m long and 3000m deep carved by volcanoes like Kilimanjaro (5895m). Mt. Kilimanjaro is the highest peak in Africa. Atlas Mountain ranges from the southwest to northeast like our Himalayas. There is Drakensberg's mountain range extended in the south east. Nile River (6670m) originates from the Victoria Lake on the Zaire River valley. There is a tropical rain forest. North and south of equator are the savanna grasslands covering huge area..

African countries Kenya and Tanzania have generated enough revenue from national parks. Nepal also can develop tourism friendly infrastructures in such places where there are national parks and attract international tourists.