Analysing terrain data
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The exposure grade describes the potential consequences of falling or slipping off the path.
Low Exposure: The path is on completely flat land and potential injury is limited to falling over.
Medium Exposure: The trail contains some obstacles such as outcroppings and rock which could cause injury.
High Exposure: Some trail sections have exposed ledges or steep ascents/descents where falling could cause serious injury.
Extreme Exposure: Some trail sections are extremely exposed where falling will almost certainly result in serious injury or death.
There are 3 options for reaching the hut - one 5 hours, another 3 hours and a final 2 hour option.
All converge 40 minutes below the hut and allow you to access one of the most dramatically placed huts in the area.
All involve walking up and downhill on uneven terrain and have a real "high mountain" feel.
The hut sits at 2707 metres and enjoys wonderful views across the glacier and up to the dramatic Aiguille du Chardonnet. The 3 options all begin at the village of Le Tour (1453 metres), at the northeast end of the Chamonix Valley, which can be reached by bus or car via a 20-minute drive from Chamonix centre.
If taking the longest, toughest option, cross the large grassy slope east of Le Tour to reach the top of the ski draglifts beneath the Combe de Vormaine Valley.
From the top of the lifts, follow a path east towards the toe of the Glacier du Tour.
The path climbs steeply and zig-zags before emerging at Fenêtre du Tour - a small concrete building at c.2000 metres.
From here, the path follows the crest of the rocky moraine to the north of the Glacier du Tour.
The path is rocky and feels unrelenting but it does lead (eventually!) to the hut.
Allow 5 hours for this route, which climbs a total of 1250 vertical metres.
The 2 shorter options for reaching the hut both begin from the Le Tour lift system.
Ride the Charamillon cable car to 1850 metres and either walk on a good, well-signposted trail eastwards and uphill to the Lac de Charamillon (2271 metres) or continue up the Autannes chairlift to 2195 metres and follow a good trail south as it gradually climbs to the Lac de Charamillon.
From the Lac, both routes converge and the path then climbs and traverses towards the Glacier du Tour.
Keep following it to the moraine north of the Glacier and then follow a rocky path up this to the hut.
The option from the top of the Charamillon cable takes 3 hours, going from the top of the Autannes chairlift takes 2.