Mountain passes around Tullins are situated within reasonable proximity to the Chartreuse Massif and the wider French Alps. This commune in the Isère department of France serves as a gateway to diverse mountain landscapes. The region offers a variety of passes known for their challenging ascents and scenic routes. These areas are popular for cycling, hiking, and exploring natural features.
Last updated: June 26, 2026
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Hanging on the edge of a cliff, the path offers spectacular views of the valley and the walls of the Vercors massif.
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The view from the pass is worth the effort!
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Magnificent site with a superb view
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The Col de Chatain from Tullins is 7.23 km long with a total drop of 469 m. The average gradient is 6.49% with maximum gradients of 12%.
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There is a small cafe, a free water point and a small picnic area in the sun.
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A fairly steady climb from Vinay, the start has easier grades of 2-4% with the second and final part increasing to 5-6%. The views from the top are definitely worth the effort!
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Magnificent plateau accessible on foot from Engins, by bike from the mortar tunnel or from Les Égauds (mountain bike/gravel) or by car from Autrans. Shuttles make the bus trip to limit the number of cars.... Summer or winter, the panorama is just magnificent. Chartreuse, Belledonne and on a clear day you can see Mont Blanc perfectly.
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Located between the Chambarans and the Bièvre plain, it gives a view of "all horizons" at an altitude of 628m.
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Near Tullins, you can explore several popular spots. La Molière Alpine Pasture and Panoramic View is a high-altitude alpine pasture at 1,632 meters offering superb panoramic views of the Alps. Another favorite is Pas de la Clé, a mountain pass with a path hanging on the edge of a cliff, providing spectacular views of the valley and the Vercors massif. Col de Châtain (684 m) is also well-regarded, known for its challenging ascent.
Yes, the region offers several challenging passes. Within the Chartreuse Massif, the Col de Châtain (684 m) features an average gradient of 6.49% with maximum gradients of 12% over 7.23 km from Tullins. Further afield in the French Alps, iconic passes like Col du Galibier and Col de l'Iseran present significant challenges for cycling enthusiasts, often featured in the Tour de France.
The mountain passes offer diverse and stunning views. From La Molière Alpine Pasture, you'll get a superb panoramic view of the Alps, including the Chartreuse and Belledonne massifs, and even Mont Blanc on a clear day. Pas de la Clé provides spectacular views of the valley and the Vercors massif. Passes like Col du Coq offer magnificent views of the Dent de Crolles and the Massif de Belledonne, while the higher Alpine passes like Col de l'Iseran boast breathtaking views of wild and unspoiled scenery.
Some passes offer basic facilities. For instance, Toutes Aures Pass provides a small picnic area, a free water point, and a small cafe, making it a convenient stop for visitors.
The area around Tullins and its mountain passes is excellent for various outdoor activities. You can find numerous road cycling routes, including challenging loops like the 'Lans-en-Vercors – The Furon Gorges loop' or the 'V63 cycle route – Col de Romeyère loop'. For hikers, there are trails such as the 'Roches Corbière gorge – Étangs de la Troussatière loop'. You can explore more options on the Road Cycling Routes around Tullins, Running Trails around Tullins, and Hiking around Tullins guide pages.
While many passes offer challenging terrain, some areas are more accessible. La Molière Alpine Pasture, for example, is accessible by car from Autrans or via shuttles, making the panoramic views available without extreme effort. The general area around Tullins offers intermediate trails, and some passes have gentler sections, especially at their start, like the Lachard Pass (695 m) with initial grades of 2-4%.
The best time to visit the mountain passes around Tullins and the surrounding French Alps is generally from late spring to early autumn (May to October). During these months, the weather is milder, and the passes are typically free of snow, making them ideal for cycling, hiking, and scenic drives. High-altitude passes like Col de l'Iseran are usually only open from late May or early June until October, depending on snow conditions.
Several passes in the wider French Alps region boast significant history. The Col du Petit Saint-Bernard, for instance, has been used since Roman times for trade and military movements, connecting France to Italy. Many passes, including Col du Galibier, Col de l'Iseran, and Col de la Croix-de-Fer, are iconic stages in the Tour de France, cementing their place in cycling history.
Yes, La Molière Alpine Pasture and Panoramic View is a prime example. Situated at 1,632 meters, it's a high-altitude alpine pasture where hundreds of cows graze every summer, offering a picturesque scene alongside stunning panoramic views of the Alps.
While not widely publicized as major tourist attractions, passes like Lachard Pass (695 m) offer a rewarding experience with a fairly steady climb and views from the top that are definitely worth the effort. Col de Clémencières, just outside Grenoble, is also known for its wonderful, peaceful climb, especially via the steeper Narbonne road, providing a quieter alternative to more famous routes.
The gradients vary depending on the pass. For example, the Col de Châtain (684 m) from Tullins has an average gradient of 6.49% with maximum gradients reaching 12%. The Lachard Pass (695 m) starts with easier grades of 2-4% before increasing to 5-6% in its latter sections. Some sections of Col du Coq are known for exceeding a 15% gradient, indicating a range of challenges for cyclists.


See even more epic mountain passes by checking out these guides around Tullins: