Piolets d'Or - Jannu East (7,460m), Nepal Himalaya

Jannu East (7,460m), Nepal Himalaya

©Marot

The first ascent of Jannu East, Kangchenjunga Himal, via Le Sommet des Pieux (2,300m, M6 WI5) on the north face and east ridge, October 12-15. The climbers rappelled and downclimbed the route to reach the base of the mountain on the 16th.

The highest of the peaks awarded a Piolet d'Or this year, Jannu East is connected to the main summit of Jannu (7,710m) by a narrow, two-kilometre ridge. Jannu East has little prominence above the col with the main peak but has been a much-coveted objective for decades. Until very recently, most attempts had taken place on the east face, where the first, as long ago as 1991, reached above 7,000m. In 2022, Americans were the first to make a serious effort on an ambitious direct route up the steep and technical north face, and they would return for subsequent attempts in 2023 and '24. In 2024, French alpinists Léo Billon, Nicolas Jean and Benjamin Védrines also attempted the north face, but by a line further left that would reach the east ridge. They descended from 6,700m.

In 2025, Jean and Védrines returned, and in early September established a base camp at 4,700m in the valley below the north face. From here they acclimatized by ascending a 6,000m subsummit of Merra and making a one-day first ascent of Anidesh Chuli (6,808m), a nearby peak that had also rebuffed previous parties. Their ascent of the north ridge (1,140m, TD) took more than seven hours.

The pair planned a route on Jannu that would play to their proven ability to climb light and fast. On October 12, they camped at 5,100m on the glacier below the face and fixed the first pitch. Next day, they climbed 1,100m through hanging snowfields, steep snow, WI5 and a tenuous mixed pitch of M6. Much of the terrain was poorly protected. From a bivouac at 6,200m, they slanted left to reach the east ridge at 6,900m, where they spent the night. Next day, precarious climbing along the narrow and heavily corniced ridge above led to the summit. Descending their line over the next one and a half days required around 50 rappels and downclimbing.

Jannu East is a high mountain with much history, and the north face consistently steep with few opportunities for secure protection. Jury members felt it was climbed in perfect lightweight style, demanding a high level of technical competence for a successful completion. It is an excellent example of the athleticism achieved by today's modern professional mountaineers, executed in a remote and committing location.

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