K2

K2 — History

1954 · First ascent

Achille Compagnoni and Lino Lacedelli reached the summit on 31 July 1954 with the Italian expedition.

2021 · First winter ascent

A team of ten Nepalese climbers made the first winter summit of K2 on 16 January 2021.

References

K2 Abruzzi Spur expedition diagram

Historical summaries and route references are research context, not a verified survey. Check original expedition accounts before relying on precise attribution.

Terrain and route accuracy

Copernicus GLO-30 digital surface elevation data accessed through OpenTopography. Samples do not represent current snow, ice, cornices, crevasses or climbing safety.

Waypoint connections are schematic unless a recorded GPS track is explicitly verified. Not for navigation or safety decisions.