Arete du Blanc (Blanc de Moming)

Page Type
Route
Location:
Valais, Switzerland, Europe
Route Type:
Mountaineering, Scrambling, Skiing
Season:
Spring, Summer, Fall
Time Required:
Most of a day
Difficulty:
PD -
Grade:
I

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Arete du Blanc (Blanc de Moming)
Created On: Oct 2, 2012
Last Edited On: Sep 4, 2016

Overview

In the Valais Alps you can find many gems, far away from the “classic” 4000er – routes and summits. Unknown gems to most mountaineers. Summits which are much lower than the “grand summits” of the area. Blanc de Moming is such a gem. And the Arete du Blanc – route is the polish for that gem.

Located in the center of the triangle Zinalrothorn - Weißhorn - Dent Blanche at the very upper end of Val d´Anniviers the surrounding of Blanc de Moming is wild. Ice cascades, sharp ridges, huge glaciers, deep valleys and immense rock faces build a remote and unique surrounding. It’s a must if you want to escape the hustle and bustle of Zematt surroundings and the well-known routes.

Arete du Blanc – Blanc de MomingArete du Blanc and Zinalrothorn
Blanc de MomingArete du Blanc and Blanc de Moming (right) as seen from Schalihorn ascent


Arete du Blanc is part of the connecting ridge Blanc de Moming – Zinalrothorn. It is a mixed snow – ice and rock, or better, talus ridge, in some parts similar to famous Biancograt of Piz Bernina. The odd thing is: the starting point of the ridge is higher than the summit (see the route description)! But this does not spoil the fun.

Combine Arete du Blanc with the descent via the southwest ridge to a great traverse of Blanc de Moming. Or tackle it during a spring ski tour ascent to Blanc de Moming with the famous and great downhill route via Glacier de Moming.



Getting There

Arete du Blanc – Blanc de MomingCabane du Mountet


Starting point for that route is Cabane du Mountet.

You reach this swiss alpine club hut from the last parking area south of Zinal by following the closed forest road up to Le Vicchiesso, an old alm hut. At the footbridge across the Navisence creek there are two possibilities:

West route: This is the old route to the hut, however, due to glacier retreat and rockfall not the best one. Follow the supply road to the Cabane du Petit Mountet. A trail starts behind the hut following the moraine crest first and then traversing the steep east slopes of Grand Cornier in ups and downs.

The trail descends then to Glacier du Zinal and crosses the mostly talus and scree covered glacier below Glacier des Bouquetins to the east side of the Zinal glacier. Another trail starts there ascending to the hut.

East route: Cross the Navisence on the foot bridge and follow the signposts to “Grand Mountet” at the trail junction after the bridge. A good trail starts ascending the moraine and then in some zigzags the northwest slopes of Besso. At about 2400 m starts the long traverse of the Besso slopes in southern directions, traversing some gullys and steep ravines. After a steep ascent to a sort of notch in the southwest ridge of Besso you reach the talus cirque of former Glacier du Besso. The red and white signs guide you through this chaos to the west ridge of Le Mammouth and finally to Cabane du Mountet.

Arete du Blanc – Blanc de MomingBlanc de Moming
Arete du Blanc – Blanc de MomingArete du Blanc and Zinalrothorn
Arete du Blanc - Blanc de MomingBlanc de Moming as seen from Bishorn










Route Description

Arete du Blanc – Blanc de MomingOn the Arete du Blanc


Follow the trail that starts at the hut and goes in southern direction to the moraine bordering the huge cirque of the Glacier du Mountet. Follow the trail on the moraine crest in northeastern direction. At a level part you recognise left hand a broad col in the ridge between Le Mammouth and Blanc de Moming, it is called La Forcle.

Don´t climb La Forcle, follow some cairns to your right and aim to the west border of upper Mountet glacier below the southwest ridge of Blanc de Moming.

Ascend on the glacier (rope, ice axe and crampons) in northeastern direction to a snow col ahead of you. This snow col marks the beginning of both Arete du Blanc and the northern arête of Zinalrothorn to L´Epaule.
You have to overcome a bergschrund, which in 2012 had several subsequent crevasses, to reach the col at a height of about 3750 m.

Only with good snow cover you can reach Arete du Blanc a bit earlier, too, by ascending one of the steep snow chutes west of the above mentioned snow col.

Turn left at the col and follow nearly level or slightly descending the fine snow ridge crest of Arete du Blanc. A steeper descent has to be made on a talus and rock part of the ridge (about UIAA grade I). After that you reach another snow part of the Arete du Blanc. Follow this snow ridge best on its crest line in some ups and downs. Depending on the snow conditions follows a mixed snow and rock terrain until you reach a col which marks the lowest point of Arete du Blanc (about 3580 m).

Arete du Blanc – Blanc de MomingLa Forcle and snow col above Glacier du Mountet
Arete du Blanc – Blanc de MomingAscent on Glacier du Mountet
Arete du Blanc – Blanc de MomingOn the ridge crest


Ascend the secondary summit of Blanc de Moming by following the scree ridge or the snow and ice part north of the ridge. There is a huge cairn south of this secondary summit marking the end or beginning of the southwest ridge route.

Arete du BlancRoutes Overview
Arete du BlancRoutes Overview


Traverse the ice and snow cap of the fsecondary summit into a col south of Blanc de Moming summit. Pay attention: there are some hidden crevasses! Climb the snow/ice and the talus and scree slope to Blanc de Moming summit.

Allow 3 to 4 hours for the whole ascent.

Arete du Blanc – Blanc de MomingOn the ridge crest
Arete du Blanc – Blanc de MomingArete du Blanc
Arete du Blanc – Blanc de MomingDent Blanche and Grand Cornier







Gear & Route Condition

Arete du Blanc – Blanc de MomingGeared up on the Arete


Arete du Blanc is a mixed glacier and (easy) rock route which can bring much fun even though Blanc de Moming is one of the lower Valais ice peaks. The route is rated PD-. I consent!

Crampons, ice axe and rope are obligatory. With normal conditions Arete du Blanc is not a very difficult route for those who know how to behave on glaciers. With ice and bad weather, however, Arete du Blanc can be a serious undertaking. Ask the landlord of Cabane du Mountet about the actual conditions. He will give you good advive (only in French!) and gladly will show you a photo map with the proper route.

The Arete du Blanc is a ski tour, too. Ascent via Glacier du Zinal, Glacier du Mountet and the Arete du Blanc, downhill via Glacier du Moming on its left side (steep and full of crevasses but rated as one of the best ski tour descents of the Alps!).

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Maps & Guide Books



  • Landeskarte der Schweiz / Carte Nationale de la Suisse, scale 1 : 25.000
    1327, Evolene
    Bundesamt für Landestopographie, Wabern

  • Landeskarte der Schweiz / Carte Nationale de la Suisse, scale 1 : 50.000
    283, Arolla
    Bundesamt für Landestopographie, Wabern



  • Arete du Blanc – Blanc de MomingObergabelhorn as seen from the Arete
    Arete du Blanc – Blanc de MomingDent Blanche as seen from the Arete
    Arete du Blanc – Blanc de MomingBesso as seen from the summit


    The main guidebooks, available in German, are

  • SAC Clubführer Walliser Alpen 3
    Vom Col Collon zum Theodulpass
    Schweizer Alpenclub 2004

  • Michael Waeber
    Gebietsführer Walliser Alpen
    Bergverlag Rudolf Rother



  • Arete du Blanc - Blanc de MomingTiny Blanc de Moming below mighty Dent Blanche, as seen from Bishorn
    Arete du Blanc – Blanc de MomingA bunch of celibates near La Forcle









    Arete du Blanc (Blanc de Moming)

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    Geography

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    Parents

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