In 1962 he led the Austro-German Expedition to Greenland from April to July where he climbed for the first time remote Mount Paatusoq, considered the highest unclimbed peak in southern Greenland. The expedition climbed a total of 37 other peaks in the area, including some near the Southern Sermilik fjord.
Together with Austrian expedition member Ernst Herzinger and German members Stefan Rausch and Alois Häusl, Toni Dürnberger published articles of geographical interest on the little-known areas of Greenland he visited.
Toni Dürnberger died in a fatal fall, together with his wife Elfi, while descending Khan Tengri after having successfully climbed the 7,010 m high peak located in the Kyrgyzstan–Kazakhstan–China border on 17 August 1992.
Publications
Dürnberger T. et al. Erlebnisbericht über die Österreichisch-Deutsche Grönlandexpedition 1962. Jahrbuch des Österreichischen Alpenvereins 1963. Vol 88.