If you look at the Kilimanjaro map below, you can see that there are 7 routes to reach the summit (Uhuru Peak). Mweka route is only for descent and the other route for descent is Marangu route when crossing Rongai route or Marangu route.
Mount Kilimanjaro is the tallest free-standing mountain in the world at 5,882 meters or 19,298 feet from its base. It is a volcano with three volcanic cones, Kibo, Mawenzi and Shira. Kibo’s highest peak (Uhuru Peak) reaches 5,895 meters or 19,341 feet above sea level. Kilimanjaro is one of the famous “Seven Peaks”, the highest peaks on each of the seven continents. Just 200 miles from the equator, the glittering snow and ice peaks of Mount Kilimanjaro tower over Africa’s Great Rift Valley.