He had made at least ten first ascents of peaks over 6,100 m (20,000 ft) including Pauhunri, 7,128 m (23,386 ft), in Sikkim, which was the highest peak climbed up to that point, although this was only discovered 80 years later.
He had made at least ten first ascents of peaks over 6,100 meters, including Pauhunri in Sikkim. This was the highest peak climbed up to that point, though it wasn't until 80 years later that this achievement became widely recognized.