Alison Chadwick-Onyszkiewicz was a British mountaineer, painter, and lithography lecturer. She made the first ascent of Gasherbrum III, at the time the highest unclimbed mountain in the world. Chadwick-Onyszkiewicz died along with her climbing partner, Vera Watson, during an attempt on Annapurna I Central.
- Occupation
- mountaineer, painter, himalayist
- Citizenship
- United Kingdom
- Born
- 1942
- Died
- October 17, 1978
