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France
Auvergne Rhône Alpes
Grenoble

Treffort

Top 8 Natural Monuments around Treffort

Natural monuments around Treffort offer diverse natural landscapes for exploration. The area, situated at the foothills of the Jura mountains, features undulating hills, caves, and waterfalls. It is known for its scenic viewpoints and extensive hiking trails, providing opportunities for outdoor activities. This region provides a variety of natural features for visitors to discover.

Best natural monuments around Treffort

  • The most popular natural monument is La Pierre Percée, a natural arch that features a 3-meter high hole framing panoramic…

Last updated: June 20, 2026

La Pierre Percée

Highlight • Natural Monument

The Pierre Percée is a natural arch and is one of the seven wonders of Dauphiné. The rock is pierced with a 3m high hole which frames the panoramic view …

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Col de l'Allimas

Highlight • Mountain Pass

The Col de l'Allimas, located at 1,354 meters, offers two possible climbs. From Saint-Guillaume, you have to climb 13.6 kilometers at an average of 5.2 kilometers. From Saint-Michel-les-Portes, the gradient is 5.4% over 10 kilometers.

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Col des Deux

Highlight • Mountain Pass

The Col des deux from St-Andéol is 12.3 km long with a total drop of 588 m. The average gradient is 7% with maximum gradients of 10.5%. The climb from …

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Brisou Ridge

Highlight • Viewpoint

Very nice view into the valley and to the Mont-Aiguille and the Grand-Veymont. You can also find two picnic tables.

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Serpaton Pass

Highlight • Mountain Pass

360° view of the mountains

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Hiking around Treffort

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Tips from the Community

unvara
March 10, 2026, Col de l'Allimas

From Saint-Michel-les-Portes, it's about 7 km at an average gradient of 8%. The last few kilometers often reach double digits. A cruel climb if it's the last one of your day...

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Hervé
January 25, 2026, Col de l'Allimas

Beautiful view and nice place with a table

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Catoche
July 2, 2025, Col des Deux

The Col des Deux is not located in the Bauges Massif but in the Vercors between the Col de l’Arzelier and the Col de l’Allimas. This trilogy is well known to cyclists in the Grenoble metropolitan area.

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Very beautiful panorama once you arrive at the Pierre Percée!

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I did it on gravel, climbing via the Aveillans hill (west), it was fine. Direct descent to Putteville, very limited at the beginning on gravel, much steeper but it was fine.

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Whether you're on gravel or mountain bike, this is a must-do for the many trails, paths, and roads that surround it. And the view of Mont-Aiguille 🤩

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Carole
November 4, 2024, La Pierre Percée

1st part very smooth and very pleasant, 2nd part much more technical with a nice climb on a very greasy muddy path, steep slopes and quite technical descents. The final does not take the greenway recently set up and which allows you to avoid the road.

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Clément
October 18, 2024, Col de l'Allimas

The Col de l’Allimas – 1352 m – is a pass located to the east of the Vercors Massif but it is an isolated pass because it does not allow you to reach the interior of the massif. On the other hand, it offers one of the most beautiful views of the massif with the remarkable peaks of the Grand Veymont and Mont Aiguille. Source: alpes4ever

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Frequently Asked Questions

What types of natural features can I explore around Treffort?

The Treffort area, nestled at the foothills of the Jura mountains, offers a rich landscape with undulating hills, caves, and waterfalls. You can discover scenic viewpoints, mountain passes, and natural arches. The broader Revermont region is known for its unspoiled natural environment, including Mont Myon, the highest peak, and the scenic Ain Gorges.

Are there any prominent viewpoints among the natural monuments near Treffort?

Yes, several natural monuments offer stunning panoramic views. La Pierre Percée, a natural arch, frames the Matheysine plateau at 1220 meters. Col de l'Allimas provides exceptional views of the Vercors Massif, including Grand Veymont and Mont Aiguille. Additionally, Brisou Ridge offers a beautiful perspective into the valley towards Mont-Aiguille and Grand-Veymont.

What outdoor activities can I do near these natural monuments?

The region around Treffort is a natural playground for outdoor enthusiasts. You can enjoy extensive hiking and mountain biking trails. Specific activities include gravel biking, mountain hikes, and road cycling. For instance, you can find routes like the 'View of Lac du Sautet – Ebron Footbridge loop' for gravel biking or 'Path with panoramic view – Grand Veymont loop' for mountain hiking. For more details on routes, check out the Gravel biking around Treffort, Mountain Hikes around Treffort, and Road Cycling Routes around Treffort guides.

Are there family-friendly natural monuments or activities in the Treffort area?

While specific natural monuments aren't explicitly labeled 'family-friendly' in the data, the broader Revermont area is described as a 'natural playground' with wide-open spaces, trails, lakes, and ponds suitable for various ages. La Grange du Pin, at the foot of the Revermont mountains, offers family activities like stand-up paddle, swimming, and a treetop adventure course. Many trails, especially those with moderate difficulty, can be enjoyed by families.

What is the best time to visit Treffort for exploring its natural monuments?

The region is generally beautiful for outdoor activities. For hiking and cycling, spring, summer, and early autumn offer pleasant weather conditions. During these seasons, trails are typically clear, and the natural scenery is vibrant. Winter conditions can vary, especially at higher elevations like mountain passes, so it's advisable to check local conditions if planning a visit during colder months.

Can I bring my dog to the natural monuments and trails around Treffort?

The natural environment around Treffort, including the Revermont region and its numerous trails, is generally dog-friendly. Many marked trails crisscross the region, offering opportunities for walks with your canine companion. However, it's always recommended to keep dogs on a leash, especially in protected natural areas or near livestock, and to follow local regulations regarding pet access.

What are some of the more challenging natural monuments or trails for experienced hikers?

For experienced hikers and cyclists, the mountain passes like Col de l'Allimas and Col des Deux offer challenging ascents and rewarding views. Trails leading to these passes often involve significant elevation gain. For instance, the climb to Col des Deux from St-Andéol is 12.3 km long with an average gradient of 7%. Mountain hikes like the 'Path with panoramic view – Grand Veymont loop' are also rated as difficult.

Are there any unique geological features to discover in the Treffort area?

Yes, the region boasts unique geological formations. La Pierre Percée is a prime example, a natural arch with a 3-meter high hole, considered one of the seven wonders of Dauphiné. The broader Revermont area also features caves and waterfalls, contributing to its diverse geological landscape.

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

Visitors frequently praise the stunning panoramic views offered by sites like La Pierre Percée and Col de l'Allimas. The opportunity for beautiful walks and the overall scenic beauty of the region are also highly appreciated. Many find the natural arch at La Pierre Percée to be a perfect photo opportunity, and the views of the Vercors Massif from the passes are often described as 'MAG-NI-FIQUE'.

Are there any hidden natural gems or less-known spots worth exploring near Treffort?

While the main highlights are popular, the region is rich with less-traveled paths. The 'secret waters of the Suran' and the Drom Valley are highlighted as picturesque areas for walks, offering a chance to discover quieter natural beauty. Serpaton Pass is also described as a 'true hidden and lost paradise,' offering 360° mountain views and being less famous but incredibly beautiful for cycling.

What amenities are available near the natural monuments in Treffort and the Vercors region?

Treffort itself, as part of the Val-Revermont commune, offers local amenities. In the broader Vercors Massif where many natural monuments are located, you can find villages and towns that provide cafes, pubs, and accommodation options. It's advisable to check specific locations for available services, especially when venturing into more remote areas of the natural parks.

How long should I plan for a visit to the natural monuments around Treffort?

The duration of your visit depends on the specific natural monuments you wish to explore and the activities you plan. A visit to a single viewpoint like La Pierre Percée might take a few hours, including a short hike. For exploring mountain passes or undertaking longer hiking or cycling routes, you might need a full day or even multiple days to fully immerse yourself in the region's natural beauty and trails.

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

Saint-Pierre-D'EntremontSaint-HilaireLans-En-VercorsSaint-Pierre-De-ChartreuseSaint-Christophe-Sur-GuiersChartreuseSainte-Marie-Du-MontSaint-BernardAutrans-Méaudre-En-VercorsRencurelVillard-De-LansSaint-Laurent-Du-PontCrollesSaint-PancrasseClaixLumbinLa TerrasseSaint-Nazaire-Les-EymesProveysieuxLe TouvetSeyssinet-ParisetEnginsTencinVifEntre-Deux-GuiersSaint-IsmierBerninVarces-Allières-Et-RissetSaint-Paul-De-VarcesLe Bourg-D'OisansSeyssinsÉchirollesSaint-Nizier-Du-MoucherotteLe Sappey-En-ChartreuseBarrauxCorrençon-En-VercorsChapareillanSaint-Vincent-De-MercuzeGoncelinMiribel-Les-ÉchellesChorancheLe GuaSainte-AgnèsLa Combe-De-LanceyLa PierrePommiers-La-PlacettePreslesSarcenasChâtelusSaint-Joseph-De-RivièreSaint-Julien-De-RazLa FlachèreTheysFrogesLes AdretsSaint-Christophe-En-OisansLa BuissièrePontcharraLe Pont-De-ClaixLe Champ-Près-FrogesLe CheylasSaint-ÉgrèveSaint-Paul-Lès-MonestierBiviersSaint-Martin-Le-VinouxQuaix-En-ChartreuseMonestier-De-ClermontSassenageVoreppeNoyareySaint-Mury-MonteymondChâteau-BernardHurtièresSaint-Quentin-Sur-IsèreVillard-BonnotAurisMontaudSainte-Marie-D'AlloixJarrieIzeronChampagnierSaint-Pierre-De-ChérennesFontaineSaint-GervaisLa BuisseLe VersoudAllemondSaint-AndéolCrêts-En-BelledonneLa RivièreLa GardeSaint-Martin-De-La-CluzeVeurey-VoroizeLe Freney-D'OisansFontanil-CornillonSaint-André-En-RoyansSaint-Michel-Les-PortesMontbonnot-Saint-MartinClellesSaint-GuillaumeMeylanMont-De-LansOzRovonLavalMalleval-En-VercorsMont-Saint-MartinChamp-Sur-DracGresse-En-VercorsRevelMiribel-LanchâtreVenonSaint-Étienne-De-CrosseyValjouffreySaint-Martin-De-ClellesSaint-RomansBesseAuberives-En-RoyansMurianetteLa TroncheEybensGièresVillard-ReymondPoliénasVénoscChichiliannePont-En-RoyansSaint-Martin-D'UriageSaint-Martin-D'HèresCorencSinardBrié-Et-AngonnesMizoënBressonRoissardSaint-Georges-De-CommiersPoisatBeauvoir-En-RoyansMoiransSaint-Jean-Le-VieuxLivet-Et-GavetDomèneClavans-En-Haut-OisansVizilleVaujanyOullesL'AlbencSaint-AupreSaint-MaximinNotre-Dame-De-CommiersVillard-Notre-DameSaint-Just-De-ClaixLe PérierHuezSaint-SauveurCognin-Les-GorgesAvignonetSéchilienneCoublevieVoironChantelouvePercyRéserve naturelle des Hauts Plateaux du VercorsChatteSaint-MarcellinSaint-Hilaire-Du-RosierTullinsLe Monestier-Du-PercyAllevardVaulnaveys-Le-BasChamrousseSaint-Jean-De-MoiransBeaulieuHerbeysLavarsVaulnaveys-Le-HautMarcieuMontchaboudSaint-Maurice-En-TrièvesVillard-ReculasMonteynardLa SôneNotre-Dame-De-MésageLavaldensOrnonLa FerrièreSaint-VérandTêcheSaint-Barthélemy-De-SéchilienneSaint-Nicolas-De-MacherinChantesseVinayVoureySaint-Pierre-De-MésageSaint-Jean-De-VaulxLa MorteLa Motte-Saint-MartinCrasNotre-Dame-De-L'OsierSaint-CassienLaffreyEntraiguesNotre-Dame-De-VaulxLa Motte-D'AveillansSaint-LattierLe MoutaretRéaumontChirensCholongeVatilieuVillard-Saint-ChristopheTréminisMoretteCharnèclesPierre-ChâtelSaint-ThéoffreyPréboisLalleyMayres-Savel

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