- Tseng Ko-Erh
- 29:250 year(s):day(s)
- Nepal (Annapurna)
The youngest person to summit Annapurna I without supplementary oxygen (female) is 29 years 250 days, achieved by Tseng Ko-Erh (Taiwan, China, b. 21 August 1992), in Annapurna, Nepal, on 28 April 2022.
Tseng (a.k.a. Grace) is a keen climber and has also summited other mountains including Everest, Lhotse, Dhaulagiri, Manaslu and Kangchenjunga.