K2, also known as Mount Godwin-Austen or Chhogori, is the second highest mountain in the world, after Mount Everest, at 8,611 metres above sea level.
Elevation: 8,611 m
First ascent: July 31, 1954
Prominence: 4,017 m
First ascenders: Lino Lacedelli, Achille Compagnoni
Mountain range: Himalayas, Karakoram
Listing: Eight-thousander, Seven Second Summits, Ultra-prominent peak