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Lac du Collet walks
Le Grand Charnier via the shortest route
Visorando Member
7.01 mi
+3,622 ft
-3,602 ft
6h 25
Difficult
Departure from La Chapelle-du-Bard (Isère)
On the Allevard side, the Grand Charnier is the Belledones peak that must absolutely be added to your list of conquests. At 2,561 metres, it offers 360° views of all the peaks of the two Savoie departments and Isère. Here I suggest the shortest route to reach it, but ‘shorter’ means steeper, and is best suited to experienced hikers. A pleasant hike with a significant elevation gain that becomes technical over the final 300 metres; this summit sometimes remains snow-covered until the end of June.
Walks near Lac du Collet
Sept Laux J2
10.35 mi
+2,408 ft
-5,026 ft
6h 50
Difficult
Departure from La Ferrière (Isère) (Isère)
The second stage of this circular route in the Belledonne Massif, sometimes along a balcony trail, sometimes through wild valleys, takes you around the Allevard Massif.
⚠️15/06/2026: a notice indicates a rockfall at Cul de la Vieille between 2 and 3, making it impossible to follow this route. You must take the GR®738 as a detour. Please let us know in the comments if you have any information regarding the lifting of this notice.
Refuge des Sept Laux – Rivier d’Allemond
5.19 mi
+407 ft
-3,248 ft
2h 45
Moderate
Departure from La Ferrière (Isère) (Isère)
A classic, well-known hike in the area to explore the Lacs des 7 Laux. Here, only the descent is described and used to complete this traverse, as it is not possible to continue easily on to the Refuge de l’Oule.
Lac de la Jasse and Col de Bédina
4.20 mi
+410 ft
-2,562 ft
2h 15
Moderate
Departure from Les Adrets (Isère)
A beautiful high-altitude lake accessible by chairlift from Prapoutel. Descent via the wilder side of the resort. Passes by Gros Caillou, a popular spot for climbers.
From Lac de la Jasse to Prapoutel via Gros Cailloux
3.08 mi
+2,241 ft
-2,684 ft
3h 20
Moderate
Departure from Les Adrets (Isère)
This is a magnificent, easy walk that takes you through many beautiful natural sites, with breathtaking views of the Grésivaudan valley and the Chartreuse mountains.
Montpascal – Valbuche
8.10 mi
+4,413 ft
-1,834 ft
5 hrs
Very difficult
Departure from Pontamafrey-Montpascal (Savoie)
First day of a two-day hike in the Maurienne with a bivouac.
Hike completed in 2016 with a break at the Col de la Baisse, another above the Chalet des Brunes and a final one at the Chalet du Tovet.
Note: The route shown is based on my GPS watch, which I never paused, which explains the circular patterns in certain places.
Aulp du Seuil Hut – Pravouta Hut
6.81 mi
+2,815 ft
-3,009 ft
8 hrs
Very difficult
Departure from Saint-Bernard (Isère) (Isère)
Day2 of this trip via the Col de Bellefont to reach the Dent de Crolles plateau.Descent via the pass above the Trou du Glaz, then down to the Col des Ayes and up the Roc d’Arguille to the Col de Pravouta and the hut of the same name.
⚠️ 27/11/2025: Route modified following a rockfall. It is no longer possible to take the path via the Trou du Glaz (5). The area remains particularly dangerous due to the high risk of further rockfall and falling boulders. Following this incident, the municipality of Saint-Pierre de Chartreuse has issued a by-law to close several hiking trails (for walking, snowshoeing and ski touring). For an ascent of the Dent de Crolles, it is possible to take the route via the Pas de l’Oeille.
You can also go via the Guiers waterfalls to reach (E).