Mawenzi is located about seven miles to the east of the cone Kibo and a long saddle has separated the two cones from each other. Mawenzi is an older cone that is already serrated from erosion exposing steep faces on various sides of the mountain.
Shahidi muhimu - akijulikana kama shahidi namba nne - alikuwepo katika mkutano ambako BwanaMuthaura na Bwana Kenyatta walituhumiwa kupanga kuwatumia kikundi cha Mungiki kinachoogopewa nchini humo kuwashambulia Wakalenjin, ambao walionekana kuwa wafuasi wa Bwana Odinga katika uchaguzi wa mwaka 2007.