The Hiking Club

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2021 Tour du Mont Blanc Trail Conditions

*Update July 3rd*: New images and update from @jayacobi completing the section from Courmayeur to La Fouly.


Another cold and snowy May has made for some difficult early-season hiking conditions on the Tour du Mont Blanc. While the recent spell of warm weather is causing the snow to rapidly melt, it will still take a few weeks before the trial is completely snow-free. The late snow and warm weather are also causing wet slide avalanches to come down throughout the Alps.

In the last week, a hiker has been caught in an avalanche on what was a snow-free and be considered a safe section of middle mountain trail near the Combins massif. Vigilance and acceptance of the early season hiking risks are required for anyone venturing out in the next few weeks. Know what your plan b is and be prepared to turn around if you’re stepping too far out of your comfort zone - making it home safely is the most important part of the journey :)

Over the last couple of weeks, we’ve been supporting Sanna to complete a solo hike of the Tour du Mont Blanc. It is earlier than we recommend hiking the trail, however, her experience in the Alps and completing the Pacific Crest Trail meant that she was well-positioned to attempt the trail. We’ve also been in touch with Bruno from Alp Trails who has been guiding a father and daughter on a run (fast walk through the snow) around Mont Blanc. The following images and information come from their journeys between 6th and 15th June. If you ever meet them on the trail - shout them a drink 🙌

*Update July 3rd*: New images and update from @jayacobi completing the section from Courmayeur to La Fouly.

TOUR DU MONT BLANC TRAIL CONDITIONS

Identifying where snow is still covering the trail is always the focus of June and early July updates. The general guidance at the moment is that some snow is still present (but rapidly receding) above 2,000m (6,560 feet) on north-facing slopes. There are always exceptions in sheltered/shaded areas where a build-up of snow has occurred. The following sections of trail lie above 2,000m (6,560 feet) the main trail.

Gear Recommendation

If you are hiking in June

  • Recommend sticking to the main trail, with the exception of Col du Tricot and Lac Blanc.

  • Know and trust your experience and capability

  • Have a plan b and turn back if necessary

  • Add some extra time to complete sections as the snow will slow you down

  • Be aware and prepared to have sections of deep post-holing

  • Be vigilant of the weather

  • The most up-to-date information is from hikers coming towards you on the trail so make lots of friends along the way :)

COVID-19 Travel Restrictions

If you want to understand how COVID-19 travel restrictions could impact your trip, we have a dedicated page focused on this information which you can find here;

SECTIONS ABOVE 2,000M ON MAIN TMB TRAIL

Col du Bonhomme - 2,329m

Approaching Col du Bonhomme from Refuge de la Balme. Early June Image cred

The traverse leaving col du Bonhomme for Col de la Croix. Early June Image cred

Looking towards Refuge de la Balme from Col du Bonhomme early June Image cred


Col de la Croix - 2,483m

Col de la Croix Looking towards the Refuge early June Image cred


Col de la Seigne - 2,512m

Descending toward Rifugio Elisabetta from Col de la Seigne ealy June Image cred

Between Cabane Combal and Rifugio Mason Ville

  • Lots of snow but I don’t have images to share yet.


Between Rifugio Bertone and Rifugio Elena on the main trail

Snow patches in some of the gullies between Bonatti and Elena are challenging to cross, otherwise a good stretch.

*Update from July 3rd* no more snow on the main trail between Rifugio Bertone and Grand Col Ferret.

Clear balcony trail between Rifugio Bertone and Rifugio Bonatti 🙌 early June Image cred

Rifugio Elena from trail on way to Grand Col Ferret early June Image cred

Challenging snow crossing between Rifugio Bonatti and Rifugio Elena early June Image cred


Between Rifugio Bertone and Rifugio Bonatti on the Col Sapin Alternative Route

Looking towards Rifugio Bertone from just below Col Sapin end June. Image cred: @jayacobi

Looking towards Pas-entre-deux-sex from Col Sapin end June. Image cred: @jayacobi

On the Rifugio Bonatti side of Pas-entre-deux-sex looking towards Col de Malatra end June. Image cred: @jayacobi


Grand Col Ferret - 2,537m

*Update from July 3rd* Snow only on Switzerland side and quickly receeding.

Looking at Grand Col Ferret from just above La Peule end June. Image cred: @jayacobi

Descending from Grand col Ferret towards La Peule Early June Image cred

Exposed traverse on Italian side of Grand Col Ferret early June Image cred

Difficult snow covered traversing around La Peule early June Image cred


La Fouly to Trient via Alp Bovine

Only a couple of small patches around Alp Bovine in shaded gullies.

Stream crossing between Alp Bovine and Champex Lac Image cred

Between Champex Lac to La Fouly Image cred

Col de Balme - 2,204m

*Update from July 3rd* no more snow on the main trail over Col de Balme

Looking towards Col de Balme from Aiguillette des Posettes end June. Image cred: @Alistair Crompton

Looking towards col de blame from Le Peuty side early June Image cred

Looking at the Le Tour side of col de blame from Possetts early June Image cred

Grand Balcon Sud

Grand Balcon Sud between Plan Praz and La Flegere mid June Image cred

La Flegere mid June Image cred

Ladders above Aiguillette d'Argentiere mid June Image cred

Le Brevent - 2,526m

Still very challenging, particularly between Plan Praz and Col du Brevent

Below Le Brevent looking towards Refuge Bellachat mid June Image cred

Looking towards Le Brevent from Col du Brevent mid June Image cred

Looking at Plan Praz from just below Col du Brevent mid June Image cred

Celebrating a solo hike of the Tour du Mont Blanc in difficult conditions! Mid June Image cred

SECTIONS ABOVE 2,000M ON Alternative TMB TRAIL

Lac Blanc - 2,352m

Lots of snow but managable

Route up to Lac Blanc from La Flegere Mid June Image cred

Happy to find some grass at Lac Blanc mid June Image cred

I’ll update the page again as new photos are available

Stay safe out there and enjoy the adventure!

Brendan