The Top 9 Mountain Passes around Treffort
Whether it be for the views, for the climbs or for the downhill descents, browse our list of the best mountain passes around Treffort and make your next adventure one to remember. Contributed by the community, for the community, each mountain pass Highlight is a personal recommendation you know you can trust, so simply find your favorite and go.
Last updated: October 7, 2025
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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12 km between 6.5 and 8%. One km of rest after Prelanfrey.
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The Col de l'Aupet, located at an altitude of 1,627 meters, is located exactly where a geological fault passes. This favored the erosion and separation of Mont Aiguille from the …
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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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Absolutely magnificent roads at the foot of the eastern cliffs of the Vercors. From Grenoble, you have to earn them by passing through Arzelier. They continue to St Andeol and the Col des Deux.
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See even more epic mountain passes by checking out these guides around Treffort:
ChartreuseSaint-Christophe-Sur-GuiersSaint-Pierre-D'EntremontSaint-Pierre-De-ChartreuseSaint-Laurent-Du-PontSainte-Marie-Du-MontSaint-HilaireProveysieuxBerninCrollesSaint-PancrasseSaint-Nazaire-Les-EymesSaint-BernardLe Bourg-D'OisansSaint-IsmierVillard-De-LansLumbinTencinLe Sappey-En-ChartreuseSarcenasVillard-BonnotLes AdretsHurtièresFrogesTheysLe Champ-Près-FrogesLa TerrasseLa GardeLa PierreLe VersoudLe TouvetChâteau-BernardMont-De-LansVénoscLivet-Et-GavetBesseAurisRencurelSaint-Martin-Le-VinouxHuezSainte-AgnèsVillard-Notre-DameGoncelinLe Freney-D'OisansOrnonLa Combe-De-LanceyLans-En-VercorsMontbonnot-Saint-MartinAllemondQuaix-En-ChartreuseBiviersVillard-ReculasVillard-ReymondGresse-En-VercorsSaint-AndéolSaint-Vincent-De-MercuzeLavalSaint-ÉgrèveClavans-En-Haut-OisansOullesOzChantelouveSaint-Christophe-En-OisansSaint-Mury-MonteymondVaujanyAutrans-Méaudre-En-VercorsPommiers-La-PlacetteMizoënLe PérierGièresLavaldensCorrençon-En-VercorsLe GuaLa FlachèreSaint-Paul-Lès-MonestierSaint-Paul-De-VarcesMeylanMiribel-LanchâtreChichilianneCorencRevelSeyssinet-ParisetSaint-Nizier-Du-MoucherotteVoreppeFontanil-CornillonLa FerrièreEnginsFontaineNoyareyMurianetteMonestier-De-ClermontSaint-GuillaumeLa MorteSaint-Joseph-De-RivièreValjouffreyMont-Saint-MartinSassenageSaint-Martin-De-La-CluzeChapareillanLa TroncheChamrousseSinardCrêts-En-BelledonneSaint-Martin-D'UriageSaint-Jean-Le-VieuxLe CheylasDomèneSaint-Julien-De-RazEntre-Deux-GuiersMiribel-Les-ÉchellesSaint-Georges-De-CommiersVaulnaveys-Le-HautVifClaixÉchirollesSeyssinsSaint-Martin-D'HèresRoissardSéchilienneVeurey-VoroizeL'AlbencAvignonetVaulnaveys-Le-BasVenonSaint-Quentin-Sur-IsèreClellesVarces-Allières-Et-RissetLavarsHerbeysSaint-GervaisEybensPoliénasSaint-Michel-Les-PortesMontaudSainte-Marie-D'AlloixEntraiguesTréminisSaint-Martin-De-ClellesChorancheChâtelusBarrauxLa BuissièrePontcharraMonteynardLa RivièrePinsotPoisatRovonVillard-Saint-ChristopheOris-En-RattierLa ValetteSaint-AuprePréboisMoiransPreslesChamp-Sur-DracLe Pont-De-ClaixPellafolNotre-Dame-De-MésageVizilleCordéacSaint-VérandJarrieBrié-Et-AngonnesMarcieuLalleyTullinsChantesseCoublevieSaint-Étienne-De-CrosseySaint-MaximinLa BuisseSaint-Baudille-Et-PipetVinayPercyPont-En-RoyansLa Salette-FallavauxLa Chapelle-Du-BardSaint-HonoréChampagnierMonestier-D'AmbelTêcheBressonValbonnaisSaint-Barthélemy-De-SéchilienneLe MoutaretNantes-En-RattierMoretteNotre-Dame-De-L'OsierCrasMensSaint-Jean-De-MoiransBeaulieuLe Monestier-Du-PercyAllevardSaint-SébastienSaint-Maurice-En-TrièvesSaint-Jean-D'HéransQuet-En-BeaumontSainte-LuceLes Côtes-De-CorpsSaint-Michel-En-BeaumontBeaufin
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