Although the face of the Hillary Step was significantly altered by the 2015 Nepal earthquake, it is still a very challenging portion of the climb. Groups preparing to summit will arrive at the Hillary Step in waves, which can sometimes double the wait time from just a few moments prior. Determining when to leave Camp 4 is crucial. If you do not plan properly, your group may wait up to two hours in a single file line before the Hillary Step. facing the constant threats of oxygen shortages or cold temperatures that could bring an unfavorable end to the journey. There are four total legs of this final trek: 1. From Camp 4 to the Hillary Step