He succeeded on 23 June 1962, with Siegfried Löw and Anderl Mannhardt the first ascent of Nanga Parbat on the Diamir face, and thus the second ascent of Nanga Parbat at all. He is named for today's normal route to the Nanga Parbat, the Kinshoferroute. Together with husband Hardt, Toni Hiebeler and Walter Almberger he had in 1961 made the first winter ascent of the Eiger North Face. Shortly before, he had succeeded with Mannhardt and Hiebeler the first winter exceeded the Karwendel main ridge.
Other important things were:
On October 24, 1964 Kinshofer crashed in climbing on Battert in the Black Forest from and succumbed to his injuries in a hospital in Baden -Baden.