In the 1930s, she made many first ascents in the Alps and in the Caucasus, which she described in A Good Line (1932). She also made the first female ascent of the highest peak, Batian, on Mount Kenya, March 1938. She joined the Ladies Alpine Club in 1929 and served as its president in 1957. She lived for many years in Courmayeur, Italy, and made many ascents in the Mont Blanc range. She died in Buckingham, England.