Adams became the first woman to ascend El Misti in Peru in 1912.
In January 1912, Harriet Chalmers Adams became the first woman to reach the summit of El Misti, a prominent volcano near Arequipa, Peru. This achievement not only highlighted her as a pioneer in female mountaineering but also advanced her reputation as an intrepid explorer in Latin America. Her ascent of El Misti was an inspirational feat in an era when women's participation in such adventures was rare.