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France
Auvergne Rhône Alpes
Annecy

Vallières

Top 4 Natural Monuments around Vallières

Best natural monuments around Vallières, a commune in Haute-Savoie, France, offer diverse geological features and landscapes. The region is characterized by its mountainous terrain, carved by rivers and tectonic activity. These natural sites provide opportunities to observe unique rock formations and explore varied environments. Vallières serves as a base for discovering the natural heritage of this part of the French Alps.

Best natural monuments around Vallières

  • The most popular natural monuments is Fier Gorge, a gorge where a footbridge, suspended approximately 25 meters above the Fier River, allows visitors to explore the impressive canyon. This site is renowned for its spectacular rock formations and the feeling of being immersed in a wild, natural environment.
  • Another must-see spot is Sillingy Fault Mirror, a geological feature where rock surfaces have been smoothed and polished by tectonic movement along a fault line. It offers a fascinating insight into the geological forces that shaped the region.
  • Visitors also love Rochetaillée Passage, a gorge characterized by steep, rocky sides and impressive waterways. This area is attractive for experiencing rugged natural beauty.
  • Vallières is known for its gorges, geological fault lines, and caves. These sites offer diverse opportunities for exploring the region's natural formations.
  • The natural monuments around Vallières are appreciated by the komoot community, with over 100 upvotes and more than 120 photos shared.

Last updated: May 21, 2026

Fier Gorge

Highlight • Gorge

Les Gorges du Fier is located 10 km west of Annecy. Haute-Savoie. By "Fier" is meant the mountain river. A catwalk leads about 25 m above the Fier through the gorge in the nature reserve. Definitely worth seeing.
Open from 15 March to 15 October. Entry. Accessible by train or by car. The PP are free.

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Sillingy Fault Mirror

Highlight • Natural Monument

Sillingy Rift Mirror is quite amazing. The place where two geological plates slide over each other is called a "fault mirror". You are currently in front of one of the most important mirrors in Europe! Panels allow you to learn more about the place, but also to understand the ecosystem of the cliff. It is home to many species. It is not uncommon to come across chamois there.

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Rochetaillée Passage

Highlight • Gorge

Living in Chindrieux, I know this passage well which, about a year ago, was not equipped with rope or line!! Only the hooks remained!!

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Resistance shelter 1944

Highlight • Cave

Here lived free from May 12 to August 19, 1944 the maquisards of the secret army of the Megevant group, called "PAN PAN".

A little history, even during a mountain bike outing, doesn't hurt!

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La Grande Cuve

Highlight • Cave

A gaping hole due to the collapse of the vault of a cave, explanatory panel near the path.

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Tips from the Community

Jean-Marc Pilloux
July 29, 2025, La Grande Cuve

Nearby, see the 15m high observation tower

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Very nice hike to do again

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Here lived free from May 12 to August 19, 1944 the maquisards of the secret army of the Megevant group, called "PAN PAN". A little history, even during a mountain bike outing, doesn't hurt!

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The Vuache Fault mirror is an easy to access but impressive site that is well worth a little detour!

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It’s beautiful… but not really passable by bike except mountain bike. It’s a gravel/stone path which, without big suitable tires, will make you skid.

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Living in Chindrieux, I know this passage well which, about a year ago, was not equipped with rope or line!! Only the hooks remained!!

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A gaping hole due to the collapse of the vault of a cave, explanatory panel near the path.

Translated by Google

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Sillingy Rift Mirror is quite amazing. The place where two geological plates slide over each other is called a "fault mirror". You are currently in front of one of the most important mirrors in Europe! Panels allow you to learn more about the place, but also to understand the ecosystem of the cliff. It is home to many species. It is not uncommon to come across chamois there.

Translated by Google

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Frequently Asked Questions

What are the most notable natural monuments to visit around Vallières?

The region around Vallières offers several remarkable natural monuments. Among the most popular are the Fier Gorge, known for its impressive canyon and suspended footbridge, and the Sillingy Fault Mirror, a fascinating geological feature showcasing tectonic movement. Another significant site is the Rochetaillée Passage, a gorge with rugged natural beauty.

What unique geological features can I observe in the natural monuments near Vallières?

You can observe a variety of geological formations. The Fier Gorge displays spectacular rock formations carved by the river. The Sillingy Fault Mirror is a unique geological fault line where rock surfaces have been smoothed by tectonic forces. Additionally, the area features caves like La Grande Cuve, offering insights into subterranean geology.

Are there family-friendly natural monuments around Vallières?

Yes, the Fier Gorge is considered family-friendly. It features a safe footbridge suspended above the river, allowing visitors of all ages to explore the canyon. There's also a story for children related to the nearby Château de Montrottier, making it an engaging visit for families.

What outdoor activities can I do near the natural monuments?

The natural monuments around Vallières are excellent starting points for various outdoor activities. You can find numerous hiking trails, such as the 'Hiking loop from Vallières-sur-Fier' (easy) or 'Forest Path loop from Saint-Eusèbe' (moderate). For cyclists, there are routes like the 'Steep climb in the forest – Princes' Mountain loop from Vallières' (difficult). You can explore more options on the Hiking around Vallières guide or the Cycling around Vallières guide.

What is the best time of year to visit the natural monuments?

Many natural monuments, such as the Fier Gorge, are typically open from March 15th to October 15th. This period generally offers favorable weather for exploring the outdoor sites and enjoying activities like hiking. The Plateau des Glières, while further afield, is also beautiful in autumn with its striking landscapes.

How can I access the Gorges du Fier, and is parking available?

The Gorges du Fier are accessible by train or car. Free parking is available on-site, making it convenient for visitors arriving by vehicle. It is located approximately 10 km west of Annecy.

Are there any historical sites combined with natural monuments in the area?

Yes, the Resistance shelter 1944 is a cave that served as a historical site for the French Resistance during World War II. While exploring this natural cave, you can also learn about its significant past. Further afield, the Plateau des Glières is a natural site with historical importance as a national memorial to the Resistance.

What kind of terrain should I expect on trails near these natural monuments?

The terrain can vary. For instance, the path leading to the Sillingy Fault Mirror is described as a gravel/stone path, which might be challenging for bikes without suitable tires. Gorges like the Rochetaillée Passage typically feature steep, rocky sides. Hiking trails in the region range from easy, paved paths to more challenging, rugged routes through forests and mountainous areas.

What do visitors particularly enjoy about the natural monuments around Vallières?

Visitors frequently praise the spectacular rock formations and the immersive feeling of being in a wild, natural environment, especially at the Fier Gorge. The Sillingy Fault Mirror is often highlighted as an amazing geological curiosity. The overall appeal lies in the unique natural beauty and the opportunities for exploration and outdoor activities.

Are there any natural monuments that are less commonly known but worth visiting?

Beyond the more popular sites, the region offers hidden gems. La Grande Cuve, a cave formed by a collapsed vault, provides a distinct natural experience. While not as widely known as the gorges, these sites offer unique geological insights and a sense of discovery.

Can I bring my dog to the natural monuments or nearby trails?

While specific rules for each natural monument regarding dogs may vary, many hiking trails in the broader Haute-Savoie region are dog-friendly. It's always recommended to check specific site regulations or local signage before visiting, especially for protected areas or attractions with specific access rules like the Fier Gorge.

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

SeynodSaint-JoriozDuingtViuz-La-ChiésazSévrierSaint-EustacheTalloires-MontminQuintalEntrevernesLa Chapelle-Saint-MauriceLeschauxVeyrier-Du-LacGruffyMenthon-Saint-BernardLathuileThônesDoussardAlexAllèvesChevalineLa Balme-De-ThuyCusyAnnecy-Le-VieuxBluffyChainaz-Les-FrassesMontagny-Les-LanchesMarcellaz-AlbanaisMûresDingy-Saint-ClairChavanodChapeiryAlby-Sur-ChéranSaint-SylvestreManigodFaverges-SeythenexSaint-FerréolHéry-Sur-AlbyLes ClefsLes Villards-Sur-ThônesLe Grand-BornandSerravalGiezSaint-Jean-De-SixtMarigny-Saint-MarcelLa ClusazVal-De-ChaiseNâves-ParmelanVillazÉviresSaint-FélixLe Bouchet-Mont-CharvinLovagnyMeythetPoisyCran-GevrierArgonayGroisyPringyÉpagny-Metz-TessyBoussyThorens-GlièresÉtercyNonglardVaulxLes OllièresLa Balme-De-SillingySillingyThusySaint-EusèbeLornay

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