Mountain passes near La Buisse are situated in the Isère department of the Auvergne-Rhône-Alpes region in southeastern France. The area is surrounded by mountainous landscapes, providing access to passes within the Chartreuse and Belledonne massifs. These passes offer diverse terrain for outdoor activities. La Buisse serves as a base for exploring the natural features of the region.
Last updated: May 13, 2026
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The approach from the south is very nice, the descent to the north via the forest road is not allowed, but with great caution and pushing in tunnels possible
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Located above the Bannettes alpine pasture at 1,752 meters, the ol d'Hurtières offers multiple panoramas of the Chartreuse and Belledonne massifs, and the eastern slope of the Vercors.
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Located above the Bannettes alpine pasture at 1,752 meters, the Col d'Hurtières offers multiple panoramas of the Chartreuse and Belledonne massifs, and the eastern slope of the Vercors.
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The Col de la Charmette is hidden in the middle of the Chartreuse at the end of a dead-end road at an altitude of 1,261 meters. Located in the middle of the forest, it is a starting point for many hiking trails.
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Hanging on the edge of a cliff, the path offers spectacular views of the valley and the walls of the Vercors massif.
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The Col de la Charmette (1261 m) is a hidden pass within the Chartreuse Massif. The southern slope – and its three variants – is the official ascent of this pass but it can also be climbed from its northern slope. The latter is closed to traffic but... Despite its modest altitude, it is not easy to climb, you will have to face numerous steps at more than 10%!
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Small pass above Voreppe with two completely different climbs. From Voreppe (6.5%) or from Saint-Laurent-du-Pont (<2%)
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Top from St Laurent to do in autumn to enjoy the colors
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For breathtaking vistas, consider visiting Pas de la Clé, which offers spectacular views of the valley and the Vercors massif from its position on the edge of a cliff. Another excellent choice is Col d'Hurtières, situated at 1,752 meters above the Bannettes alpine pasture, providing extensive panoramic views of the Chartreuse, Belledonne, and Vercors massifs.
Yes, Charmette Pass offers a unique and challenging experience. The road leading to it, especially from the north side (from Saint-Laurent-du-Pont), is known for its degraded tarmac, gravel sections, and several dark, narrow, and winding tunnels. This makes it particularly suitable for gravel or mountain biking, providing a sustained climb through the forest.
The region around La Buisse offers a variety of outdoor activities. You can find numerous hiking trails, such as the 'Le Grand Ratz viewpoint – Roche Brune Viewpoint loop' or the 'Gorges du Bret loop'. For cyclists, there are options for both road cycling and gravel biking, including routes like the 'Col des Mille Martyrs – Pierre Chave Bridge loop' for road cyclists or the 'Via chartreuse – Canal de l'Herretang loop' for gravel enthusiasts. You can explore more options on the hiking guide, gravel biking guide, and road cycling guide for La Buisse.
The Col de la Charmette is often referred to as one of the 'secret passes of Chartreuse'. Tucked away deep within the massif at the end of a dead-end road, its secluded nature and challenging access contribute to its charm, offering an immersive experience in the heart of the forest.
The mountain passes around La Buisse are rich in natural beauty. You'll encounter dense forest sections, especially on the climb to Charmette Pass. Many passes, like Pas de la Clé and Col d'Hurtières, offer spectacular viewpoints with panoramic views of the surrounding massifs (Chartreuse, Belledonne, Vercors) and valleys.
Visitors frequently praise the stunning panoramic views offered by passes like Col d'Hurtières. The unique adventure and immersive forest experience of climbing Charmette Pass are also highly valued, with many appreciating the quiet, shaded climbs away from heavy traffic.
Yes, Placette Pass is known as a gateway to the Chartreuse massif. From here, you can access other notable passes within Chartreuse, such as Col des Milles Martyrs, Col du Cucheron, and Col de Porte.
The road to Charmette Pass can be quite varied. From the south side (Proveysieux or Quaix-en-Chartreuse), you can expect degraded tarmac and a sustained climb over the last 6 km. From the north side (Saint-Laurent-du-Pont), the road is officially closed to motor vehicles after the Chartreuse de la Curière monastery and features degraded tarmac, gravel, broken pavement, and several dark, narrow, and winding tunnels, making it more suitable for gravel or mountain biking. Lighting is recommended for the tunnels.
Yes, Placette Pass is considered an intermediate mountain pass. From Voreppe, it's a relatively easy and short climb, about 5.40 km with an average gradient of 6.43%. While there can be traffic, a dedicated cycle lane makes it accessible for many.
Absolutely. Col de la Charmette is a popular starting point for numerous hiking trails, offering an immersive experience in the heart of the forest. The journey to the pass itself, even for cyclists, presents a unique adventure due to the varied road conditions.
Placette Pass offers a nice view over the valley, serving as a scenic entry point to the Chartreuse massif.
Yes, the Col d'Hurtières is one of the higher passes in the vicinity, situated at an altitude of 1,752 meters above the Bannettes alpine pasture. Its elevation contributes to the extensive panoramic views it provides.


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