Nuptse Expedition the neighboring peak of Everest shares the glory of the Everest Massif and is the southern border of the Western Cwm. From Tengboche it appears as a massive wall guarding the approach to Everest and joined to Lhotse. Its steep west-face drops down more than 2300m to the Khumbu-glacier. Nuptse Expedition one of the interesting features of this mountain is that its south face is 2500m. high and five kilometers wide. The main summit was summited in 1961.