Mountain passes near Challes-Les-Eaux offer access to the Bauges and Chartreuse mountains. This region provides diverse terrain for outdoor activities, including cycling and hiking. The landscape features significant elevations and panoramic views, making it a destination for exploring mountain environments.
Last updated: May 13, 2026
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Highlight • Mountain Pass
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Warning: This section is very technical for about fifteen meters. There are metal ladders, bars, and lifelines. Experience in climbing or via ferrata is required for safety. Personally, there were three of us with rucksacks weighing 10, 12, and 15 kilos respectively, and we had to make three round trips, carrying each bag together (one holding it from above, the other from below). With a fair amount of experience, this was accomplished without any problems, but we had to take our time and reassure one of us, for whom the section was particularly technical. We did it downhill and in very light rain, which didn't help. It took us about 20/30 minutes for our three return trips. Very technical descent, probably easier ascent. → Photos for illustration purposes only, not contractual.
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Warning: The climb from the east side is extremely steep! An average gradient of around 10% over 9-10 km.
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Very good and quite accessible as a pass. Be careful of overtaking cars.
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From Saint Pierre you pass through Entrement le veux and arrive at the top of Col de Granier, if you take the first right towards Col de Marcieu until Saint Hillaire de Touvet and descend into the valley to Grenoble, very calm, rolling and bucolic
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Very nice pass; % real on the terminals. Hard but really quiet, because very few vehicles. Not very long either.
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In response to CamilleD, a useful link: https://climbfinder.com/fr/montees/col-de-marocaz-arbin The % indicated on the terminals correspond to the average percentage over the km following the terminal. It seems that this nice pass deserves the % indicated. Pass covered on a Sunday afternoon, little attendance, mainly motorbikes.
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It's beautiful but it's steep. Sustained passages at 9/10%. But it's beautiful! And then very few cars so a real pleasure.
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Very pleasant ; I ride it from St jean d'Arvey, Thoiry; Few vehicles from Thoiry.
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For cyclists, the Granier Pass is a classic, having been featured multiple times in the Tour de France. It offers various challenging ascents, including a particularly difficult 10.5 km route from Chapareillan. Col des Prés is also popular, known for its generally good road conditions and scenic, less strenuous routes, making it suitable for a wider range of cyclists.
Yes, the area around Granier Pass transforms into a family-friendly ski resort in winter, offering snowshoeing, cross-country skiing, and winter hiking. For hiking, the Croix du Nivolet offers a popular and relatively easy route from La Féclaz/Le Sire, with minimal elevation gain, suitable for families.
The Croix du Nivolet, located at 1,547 meters, offers truly spectacular 360-degree panoramic views. On clear days, you can see Chambéry, Lac du Bourget, the Chartreuse massif, Belledonne, Beaufortain, and even Mont Blanc. The Granier Pass also provides stunning mountain views, often enhanced by mist and sunshine.
The region offers diverse hiking opportunities. Around Granier Pass, you'll find marked trails and starting points for exploring local villages. The Croix du Nivolet is primarily a hiking destination with various trails, from easy routes like the one from La Féclaz/Le Sire to more challenging ones from Saint-Jean-d'Arvey via Pas de l'Echelle, which includes technical passages with rungs and cables. You can find more hiking routes in the area by visiting the Hiking around Challes-Les-Eaux guide.
Absolutely. For cyclists, the ascent to Granier Pass from Chapareillan is particularly difficult, gaining 854 m in height with an average gradient of 8.13%. For hikers, the Pas de l'Échelle (Ladder Pass) near Croix du Nivolet is a challenging route requiring some climbing experience due to its well-secured but technical passages with rungs and cables. The Marocaz Pass is also noted as a challenging climb with little car traffic.
The area around Granier Pass is known for its serene atmosphere and opportunities to observe rare flora, such as Venus slippers, particularly in early summer. Col des Prés leads into the heart of the Bauges Natural Park, offering beautiful views of mountains and meadows.
The mountain passes are generally accessible for cycling and hiking from spring through autumn. Early summer is ideal for observing rare flora like Venus slippers near Granier Pass. In winter, Granier Pass transforms into a winter sports destination, offering snowshoeing and cross-country skiing.
Yes, at the summit of Granier Pass, visitors can find a charming Savoyard chalet-style restaurant. Near Col des Prés, there is a small kiosk about 1km after the pass, which opens early in the morning.
Visitors frequently praise the stunning mountain views, the varied and scenic routes for all levels, and the year-round outdoor activity options. The historical significance of passes like Col du Granier in cycling, the peaceful roads around Col des Prés, and the truly spectacular panoramic views from Croix du Nivolet are often highlighted.
Yes, the area around Col des Prés can be combined with other nearby passes like Leschaux, Plainpalais, Frêne, and Marocaz for extended loops through the Bauges. The region also offers various MTB and gravel biking routes. For more ideas, explore the MTB Trails around Challes-Les-Eaux guide or the Gravel biking around Challes-Les-Eaux guide.
While specific public transport routes directly to the summits are not detailed, the region is accessible, and local transport options may connect to nearby towns or trailheads. It's advisable to check local bus schedules for routes from Challes-Les-Eaux to villages like Entremont-le-Vieux or La Féclaz, which serve as starting points for exploring passes like Granier Pass or Croix du Nivolet.
Some routes, like the Pas de l'Échelle near Croix du Nivolet, involve technical passages with rungs and cables, requiring some experience and comfort with heights. Always be prepared for changing mountain weather conditions, carry appropriate gear, and inform someone of your route. For cycling, be aware of traffic on main roads, though some passes like Col des Prés are known for quiet roads.


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