Best canyons around Attignat-Oncin are characterized by their geological formations and natural beauty. The region is home to the Canyon du Grenand, a prominent natural wonder near Lake Aiguebelette. This area showcases the results of fluvial erosion, with gorges and waterfalls carving through the landscape. It is a destination for outdoor activities, including canyoning, and offers a natural setting with riverside and forest locations.
Last updated: May 11, 2026
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Relatively far outside the villages within the nature park, isolated on the side of the road, the biker encounters a stone-carved statue (or rather, a relief image) of the Virgin Mary, holding her son Jesus on her lap. The divine child, in turn, holds a globe crowned by an oversized cross – a double symbol: The globe signifies Jesus as Lord of the world, while the cross refers to his death, which the Son of God endured out of love for us humans in order to redeem us.
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Beautiful bridge over the gorge
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As you travel to the Grenant stream above La Bridoire, you will discover a hidden stream that winds through a lush and tranquil forest in the heart of the Chartreuse mountains. The area around the stream is teeming with wildlife and you will often see birds and other woodland creatures. As you listen to the soothing sound of flowing water, let your mind escape into nature.
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In 1516, the King came to Chambéry for the Holy Shroud at the beginning of his reign. On the way back, the King and his court were caught in a violent storm… The only protection they found was this shelter under a rock for the night.
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Pretty statue on the side of the road which overlooks a dizzying view of the Gorges behind, in the middle of the Chartreuse.
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Amazing statue on the secondary road at the side of the road.
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Very nice, to do from the station of aiguebellette le lac. Must make the detour to the belvedere, a magnificent view of the whole lake!
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Surprising this stone statue at the bend of a bend🤩
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The region is renowned for its impressive results of fluvial erosion, featuring numerous gorges and waterfalls. A prominent natural wonder is the Canyon du Grenand, also known as Canyon du Grenant, which showcases these geological formations. You can also discover the tranquil Grenant Stream, winding through a lush forest, and the striking Waterfalls on the Nant du Pontet, with three successive cascades.
Yes, the area combines natural beauty with historical significance. You can visit François I's Cave, a gorge where legend says King François I found refuge during a storm in 1516. Another historical landmark is the Old Saint-Martin Bridge, which allows passage over the narrow gorge of the Guiers Vif and offers a glimpse into the region's past.
The Canyon du Grenand (or Grenant) is considered one of the most beautiful canyons in the Savoie region, located near Lake Aiguebelette. It's a major site for canyoning, attracting thousands annually with its exhilarating waterfalls and rivers. Beyond canyoning, a 2.5 km loop path, "La combe du Grenand," offers educational insights into its geological formations and the impact of water on the environment. For more details on canyoning, you can visit Chartreuse Tourisme.
The region around Attignat-Oncin is an outdoor activities hub. You can explore various MTB Trails, enjoy Gravel biking, or embark on challenging Mountain Hikes. The area also offers paragliding and water sports on nearby Lake Aiguebelette.
Yes, there are options suitable for families. The Old Saint-Martin Bridge is considered family-friendly, offering an accessible historical site over a gorge. Additionally, the Canyon du Grenand features a 2.5 km loop path, "La combe du Grenand," which is a great way for families to discover the geological formations and natural environment.
The canyoning season in the region generally runs from April 1st to September 30th. Specifically for the Grenand canyon, the season extends from March 1st to November 30th. It's important to note that it's advised not to practice canyoning after heavy rains or when the water is murky due to potential water quality issues.
The Waterfalls on the Nant du Pontet are a must-see. The Nant du Pontet has carved three successive waterfalls over several hundred meters. The most impressive is a 30-meter high waterfall located in a narrow gorge, accessible from a wooden bridge, while the first two are easily reached.
Yes, the region offers various hiking opportunities. For example, the Canyon du Grenand has a 2.5 km loop path, "La combe du Grenand," perfect for a scenic walk. For more extensive hiking, you can explore the Mountain Hikes around Attignat-Oncin guide, which includes trails like the Tracol loop or routes to Mont Outheran.
The Canyon du Grenand is suitable for a wide audience when accompanied by qualified professionals. While it offers an exhilarating experience for thrill-seekers, beginners can enjoy the sport safely with expert guidance. The descent typically takes 2.5 to 3 hours, covering a length of 1500m with a 180m difference in altitude.
Visitors appreciate the natural beauty and tranquility of the area, often highlighting the soothing sound of flowing water and the abundant wildlife. The geological formations, such as the gorges and waterfalls, are a major draw. The historical significance of sites like François I's Cave and the charm of the Old Saint-Martin Bridge are also frequently mentioned as enjoyable discoveries.
Absolutely. The Grenant Stream is considered a natural monument, winding through a tranquil forest in the Chartreuse mountains. The Waterfalls on the Nant du Pontet also offer impressive viewpoints of the cascades and the pools carved into the rock. Additionally, the Notre-Dame du Frou Statue provides a surprising viewpoint overlooking the dizzying gorges.
For more comprehensive information about the Grenand canyon, including its features and activities, you can visit the official tourism page at Chartreuse Tourisme. This resource provides details on what makes it a remarkable experience for nature enthusiasts and thrill-seekers alike.


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