Aiguille d'Argentière: West flank and NW Ridge (Whymper route)

  • Activities:
  • Min / max altitude:
    2550m / 3901m
  • Elevation gain / loss:
    1350m
  • Difficulties lenght:
    150m
  • Main facing:
    W
  • Route type:
    return trip / abseil down
  • Duration:
    1 day
  • Slope:
    45°
  • Global rating:
    PD+
  • Commitment grade:
    III
  • Quality of in-place protection:
    P4 (no bolts)
  • Toponeige technical grade:
    5.1
  • Toponeige exposure grade:
    E2
  • Labande descent grade:
    S5
  • Labande global grade:
    TD-
Summits, passes, lakes and cliffs:
Huts, usual bivis and valley accomodation:
Access points:
Gare de Lognan  1973m - r
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Historic route, replaced by the glacier du Mileu

Route

Follow the itinerary for the ‘col du Chardonnet’ until a  plateau at 3050m. Loop around to the right towards the upper Chardonnet glacier.
Climb this glacier to its bergschrund  (~3500m, can be awkward) then follow the most obvious gully (“Couloir en X”), that gives access to the NW ridge of  Aiguille d'Argentière at around 3650m.
Follow this ridge to a rocky outcrop around 3750m. Go onto the N face and climb a large steep slope (often icy unfortunately) which gives access to the W summit of  the Aiguille d'Argentière.

Descent

By the same route, (two 50m abseils down the ice slope and another abseil over the bergschrund,) or by the ‘glacier du Milieu’.

Remarks:
  • N facing all the way up to the summit ridge, then W.
  • 45° for 150m in the relatively narrow gully under the NW ridge then 45° for 100m on the N face.
External resources:
Alpinisme plaisir dans le massif du Mont Blanc - Jean-Louis Laroche, Florence Lelong - 2010
Sommets du Mont Blanc - Les plus belles courses de F à D - Jean-Louis Laroche, Florence Lelong - 2010
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Version #2, date 20 December 2011