Best natural monuments around Crans are found in the Valais canton of Switzerland, situated on a sunny plateau above the Rhône Valley. This region features a diverse array of natural formations, from alpine peaks to serene lakes and unique geological sites. The landscape offers a blend of grandeur and natural beauty, providing varied outdoor experiences. Visitors can explore a range of natural features that define the area's character.
Last updated: June 19, 2026
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The Bief de la Ruine waterfall is located in the spectacular Malvaux Gorge. One of the most astonishing features of this waterfall is the fact that it only comes alive after heavy rainfall or during snowmelt. When it dries, it gives way to the spectacle of the carved stone, revealing the "Creux des Joyaux," a natural cave where the water swirls with varying degrees of vigor, polishing a multitude of limestone pebbles thanks to the force of its current.
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The Gorges de la Langouette are impressive for their vastness and the uniqueness of their wild environment. With the many light effects illuminating the mosses and ferns growing beneath the wooded canopy, they exude a gentle and tranquil atmosphere, particularly conducive to relaxation. This unspoiled spot offers a privileged view of the water's work, carving the canyon with its capricious meanders. The Petit Saine River, roaring and unpredictable, overcomes all obstacles to continue its course before converging with the Ain a few kilometers further on.
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Lac d'Ilay, also called Lac de la Motte, is a lake in the Jura department of France, about 14 km south of Champagnole in Franche-Comté. It lies at an altitude of 774 m in the municipalities of Le Frasnois and La Chaux-du-Dombief and covers an area of approximately 0.7 km². The lake is 1.9 km long, has a maximum width of 400 m, and has a small island (Île de la Motte). Its greatest depth is 32 m.
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Lacs de Maclu are two adjacent lakes in the western part of the French Jura, in the Jura department of Franche-Comté. They are located at an elevation of 779 m in a depression in the High Jura, in the region of the Five Lakes near Le Frasnois, about 12 km south of Champagnole. The Petit Maclu, located to the northeast, has an area of 5 hectares, a length of about 500 m, and a maximum width of about 120 m. Its greatest depth is 11 m. It lies entirely within the municipal territory of Le Frasnois.
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waterfalls don't always flow
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Easy, shaded path, perfect for cooling off in hot weather.
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Very nice walk but a lot of tarmac
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The tour of the lakes is not of much interest, mainly being wide paths, without much relief, and with no view worthy of the name, including on the lakes (which we see very little, except on the eastern part, which is a shame). The western part is even difficult (we follow the road for 2km...). In short, a walk to forget, except perhaps for a running outing, or a detour via the Eagle peak.
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Visitors frequently enjoy the Langouette Gorges, known for its deep canyons and footbridges that allow safe exploration of its wild environment. Another favorite is Petit Maclu Lake, a serene spot within a Natura 2000 area, offering an exceptional habitat for animal species. Lake Ilay is also highly regarded for its scenic location and an island within its waters.
Yes, several natural monuments are suitable for families. Petit Maclu Lake and Lake Ilay offer easy, shaded paths perfect for a relaxed outing. The Mont Lachman Scenic Lookout is also accessible via a family-friendly hike or cable car, providing stunning panoramic views and ideal spots for picnics.
The region boasts several unique geological formations. Le Boup, often described as a 'lunar chasm,' is a remarkable 140-hectare landslide scar with colorful, brocaded rocks ranging from rose to blue. The Plaine-Morte Glacier Plateau offers a high-altitude glacial experience. Additionally, mountains like Six des Eaux Froides are known for their unique rock formations.
Crans-Montana's natural monuments offer experiences year-round. Spring transforms Le Boup into an 'Amazonian forest' as vegetation returns. Summer is ideal for hiking and exploring lakes like Petit Maclu and Lake Ilay. The Plaine-Morte Glacier Plateau is popular for both winter and summer activities. Winter sports enthusiasts will find mountains like Wildhorn and Diablerets perfect for skiing and panoramic views.
Yes, you can find beautiful waterfalls in the area. The Bief de la Ruine Waterfalls, located in the spectacular Malvaux Gorge, are particularly striking after heavy rainfall or during snowmelt. Another notable cascade is the Moulin du Saut Waterfall, a 15-meter high natural waterfall that comes to life when the water level is sufficient.
The region is surrounded by majestic peaks offering diverse experiences. Mont Bonvin provides a vast ski area, luxury restaurants, and scenic hiking paths, accessible by cable car. Six des Eaux Froides is known for panoramic views and unique rock formations, ideal for climbing. Wildhorn and Diablerets are prominent features for winter tourism, offering skiing and electric ski car rides with majestic summit views. Mont Lachman Scenic Lookout offers stunning panoramic views over the Alps and valleys.
The area around Crans offers a wide range of outdoor activities. You can find numerous running trails, including challenging routes like the 22.5 km 'Pertes de l'Ain – Château-Villain ruins loop'. Cycling enthusiasts can explore routes such as the 35.4 km 'Lac du Petit Maclu – Lake Narlay loop'. For mountain biking, options like the 20.9 km 'Shore of Lac de Narlay – Grand Maclu Lake loop' are available. You can find more details on these activities in the Running Trails around Crans, Cycling around Crans, and MTB Trails around Crans guides.
Yes, the Pfyn-Finges Nature Park is situated near Crans-Montana and is recognized as a hotspot for biodiversity in Switzerland. It features a unique landscape where wine-growing areas meet wilderness, making it a compelling destination for nature enthusiasts. Additionally, Petit Maclu Lake is located within a Natura 2000 area, highlighting its ecological importance.
Yes, the Underground Lake of St-Léonard offers a unique subterranean experience. It is one of the largest navigable underground lakes in Europe, providing a mystical journey by boat through its serene waters.
Visitors particularly appreciate the stunning vistas and the diverse opportunities for outdoor activities like skiing, hiking, and climbing. The unique geological formations, such as the colorful rocks of Le Boup, and the tranquil atmosphere of places like Langouette Gorges, are also highly valued. The combination of accessible peaks, serene lakes, and unique geological sites provides a comprehensive natural escape.
Yes, the Grand Bisse is an ancient irrigation channel that winds around Le Châtelard hill. This 8.6 km bisse offers a unique hiking experience through forests, oak groves, spruce, and deciduous trees, acting as a natural gateway between the localities of the Louable Contrée.
Many natural monuments offer accessible paths. For instance, the area around Petit Maclu Lake provides easy, shaded walks. Lake Ilay also has an easy walk around its perimeter. The Grand Bisse offers a relatively gentle pathway through varied natural landscapes.


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