Natural monuments around La Pierre feature a diverse mountainous landscape with prominent peaks, scenic passes, and waterfalls. This region offers 17 distinct natural monuments, providing opportunities to explore varied terrain and geological formations. The area is characterized by its elevated features and natural water elements, making it suitable for outdoor exploration.
Last updated: August 25, 2026
Highlight • Summit
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Highlight • Mountain Pass
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Highlight (Segment) • Waterfall
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Highlight • Mountain Pass
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Partially steeper ascent, but the critical sections are secured with ropes, footholds or steps. Good footwear important
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The cross of the Aulp du seuil is located at 1825m above the cirque and marks the entrance to the high plateaus.
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It is one of the waterfalls of the Alloix, not the highest, but one of the most beautiful.
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Beautiful pass. Relatively steep climbs from the valley. There are rest stops at the top.
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A stunning summit with views of Mont Blanc. The two climbs from the Col des Ayes are relatively steep, but steel cables are installed at the more dangerous sections. The climb north via the Trou du Glaz is a bit longer and a bit easier. The climb east is a bit steeper and more exposed. The view is good, though.
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Great hike! Make sure you have good shoes with crampons because some slopes are a bit slippery. Magnificent view at the top.
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on private property, with no-entry signs, especially at hunting time
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Magnificent and relatively easy pass, with basic fitness. Offers a magnificent view of Mont Blanc. Be careful though, the Chaos and the Col are currently completely covered in snow. Being in a group, I did not attempt the ascent of the Col which, without equipment, can be particularly slippery and dangerous. Possibility of going back down via Prayet towards Saint Pierre en Chartreuse. Tested in November, however, no problems observed, very accessible.
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The region around La Pierre features several highly-regarded natural monuments. Among the most popular are Dent de Crolles, a summit offering a 360-degree view over the Grésivaudan valley, and Gouille Waterfall, known for its collection of cascades and easy paths. Visitors also appreciate Revollat Cross for its stunning views facing the Chartreuse massif.
The natural monuments around La Pierre are characterized by a diverse mountainous landscape. You can expect to see prominent peaks like the Dent de Crolles, scenic mountain passes such as Bellefont Pass and Marcieu Pass, and beautiful waterfalls like the Gouille Waterfall. The area also offers numerous viewpoints overlooking the Grésivaudan valley and the Grenoble Basin.
Yes, Gouille Waterfall is particularly suitable for families. It features easy-to-access paths and wooden bridges along an 800-meter stretch of waterfalls, making it a pleasant and safe exploration for all ages. There's even an ancient ruin along the way to discover.
The area around La Pierre offers a variety of outdoor activities. You can find numerous routes for running, mountain biking, and road cycling. For instance, there are challenging running trails like the "Col des Ayes (944 m) – Chemin des Vignes loop" and various MTB trails, including a difficult "Mountainbike loop from Lumbin." For more details on routes, you can explore the running trails, MTB trails, and road cycling routes guides for the region.
Yes, hiking is a popular activity. Many natural monuments, especially summits and passes like Dent de Crolles and Bellefont Pass, are accessible via hiking trails. The ascent to Dent de Crolles, for example, is considered technical in parts, offering a rewarding challenge with incredible views. You can find various running trails, which often double as hiking paths, in the running trails guide for La Pierre.
The difficulty varies depending on the monument. For instance, the ascent to Dent de Crolles is considered more technical, with sections requiring concentration due to steepness and exposure, including a chain to assist climbing. Mountain passes like Bellefont Pass offer climbs that are not overly strenuous. For a more relaxed experience, the paths around Gouille Waterfall are easy and accessible.
Visitors consistently praise the breathtaking views, especially the 360-degree panoramas from summits like Dent de Crolles, which encompass the Grésivaudan valley, the Chartreuse massif, and even Mont Blanc from Bellefont Pass. The peaceful natural settings, the beauty of the waterfalls, and the sense of accomplishment after a challenging hike are also frequently highlighted.
Yes, the region is part of the Chartreuse massif, known for its impressive limestone formations. The sheer wall of Dent de Crolles is a prime example of the dramatic geological features. The various passes and valleys also showcase the area's unique mountainous geology, shaped over millennia.
While popular spots like Dent de Crolles attract many, exploring some of the mountain passes or lesser-known viewpoints can offer a more tranquil experience. The Marcieu Pass, for example, is described as a "pass little passing" with a very quiet road, suggesting a more serene visit. Exploring the numerous trails in the region can also lead to discovering your own hidden gems.
The best time to visit largely depends on the activity. For hiking and enjoying the views, late spring through early autumn (May to October) generally offers the most favorable weather conditions. During winter, some areas, particularly higher elevations like Marcieu Pass, transform into small ski resorts, offering different activities. Always check local conditions before planning your trip, especially for higher, more technical routes.
While the natural monuments themselves are often in pristine, undeveloped areas, some passes or nearby villages may offer amenities. For instance, Marcieu Pass has a small ski resort in winter, which implies some facilities. For more extensive options, you would typically need to visit the nearby towns and villages in the Grésivaudan valley or around Grenoble.
Yes, bivouacking without a tent is authorized at the top of Dent de Crolles. This offers a unique opportunity to wake up to exceptional views and potentially see chamois in the early morning. Always practice Leave No Trace principles when bivouacking.


Extend your search for the best caves by checking out these guides of the top ones around La Pierre: