Count Morozzo of Turin was inspired by the view of Monte Rosa and in 1787 he tried to reach its summit from the east face. However he did not go very high, and the mountain looked much too inaccessible to encourage him to proceed further. He reached the place of the actual Marinelli hut, 1,500 m below the summit. The route on the east face was opened only in 1872. In 1789, following the recommendation of the Count, Horace-Bénédict de Saussure went to Macugnaga to explore the mountain. He climbed Pizzo Bianco, a 3215 m summit facing the mountain from the east and measured the altitude of Monte Rosa. He found a height of 2430 toises.