1856年，十五号峰的高度被记录为29002英尺，这个数字非常接近今天登山机构认可的高度。不过希克达尔的贡献只被放到脚注，为了纪念艾佛勒斯(Everest)，十五号峰最终更名为Mount Everest。

Mountaineers Moni Mulepati, right, and Pem Dorjee Sherpa look on during a function to congratulate them, on their return after an expedition to Mt. Everest, in Katmandu, Nepal, Thursday, June 2, 2005.