The lower of the two summits was first ascended on by Khillar Khachirov, a guide for an Imperial Russian army scientific expedition led by General Georgi Emmanuel, and the higher (by about 40 meters ) in 1874 by an English expedition led by F. Crauford Grove and including Frederick Gardner, Horace Walker, and the Swiss guide Peter Knubel of St. Niklaus in the canton Valais.