4.6
(202)
4,931
riders
200
rides
Road cycling routes around Saint-Geoire-En-Valdaine traverse a varied topography of plains and hills within a pre-Alpine natural context. The region, located in the Isère department, features the Ainan river valley, plateaus, and remnants of ancient glacial lakes. Cyclists can experience routes ranging from gentle gradients through valleys to more challenging ascents in the surrounding hills. This diverse landscape provides a range of road cycling experiences.
Last updated: May 20, 2026
5.0
(3)
47
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(3)
24
riders
41.2km
02:17
900m
900m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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5.0
(1)
16
riders
16.4km
00:58
420m
420m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
17
riders
32.5km
01:45
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
8
riders
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
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A superb climb which leads us to a magnificent view of the Chartreuse mountains, much more beautiful than at the summit of the Col des Mille Martyrs, and yet much less known!
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Here is the route for the ascent of the Col des Mille Martyrs starting from Saint-Geoire-en-Valdaine
1
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Not very busy but watch out for oncoming traffic
0
0
Very pleasant pass to climb, not too steep a slope, well marked all the way.
2
1
Beautiful spot on the famous Lac d'Aiguebelette, a lake whose views are rare when cycling around it.
0
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Imposing church overlooking a superb view of the Chartreuse!
0
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Pretty little village with a breathtaking view of the Chartreuse!
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End of the climb and arrival on the plateau
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0
There are over 200 road cycling routes available around Saint-Geoire-En-Valdaine, catering to various skill levels. The komoot community has explored more than 6,100 of these routes.
The region offers a varied topography, from plains to hills, providing a range of experiences. You'll find approximately 20 easy routes, over 120 moderate routes, and nearly 60 difficult routes, ensuring options for all abilities.
The komoot community highly rates the road cycling experience here, with an average score of 4.5 stars from over 260 reviews. Cyclists often praise the diverse terrain, scenic views, and the well-maintained roads that traverse both valleys and hills.
Yes, many routes offer scenic views and pass by interesting sites. You can cycle past the prominent Lake Paladru, or explore routes that lead to historical sites like the castles on the 'circuit des 7 châteaux'. Some routes also offer views of natural features such as the Gorges du Crossey.
Yes, Lake Paladru is a major feature in the region. A popular route is the Lake Paladru – Lac de Paladru loop from Saint-Bueil, a moderate 59.9 km trail. Another option is the Lac de Paladru – Lake Paladru loop from Velanne, which is 38.3 km and also offers scenic views of the lake.
The terrain is quite varied, ranging from the flat Ainan river valley to rolling hills and pre-Alpine ascents. You'll find routes with gentle gradients, as well as more challenging climbs. For example, the Col des Mille Martyrs – Côte de Voissant loop from Massieu features significant elevation gain, traversing local hills and valleys.
Yes, many of the routes are designed as loops, allowing you to start and finish in the same location. Examples include the Col des Mille Martyrs loop from Saint-Geoire-en-Valdaine and the various loops around Lake Paladru.
While specific weather conditions vary, the region generally offers pleasant cycling conditions from spring through autumn. The varied topography means you can find suitable routes even during warmer months by choosing routes with more shade or higher elevations.
Yes, the region's diverse terrain includes flatter sections, particularly in the Ainan river valley and around Lake Paladru, which are suitable for families. While specific family-friendly road routes are not highlighted, the presence of low-slope options suggests easier rides can be found.
The 'circuit des 7 châteaux' is a popular route that allows visitors to discover several castles, including the historic Château de Saint Geoire and Château de Longpra. You can find more information about this route and other cultural attractions on the Chartreuse Tourisme website.
Yes, while Saint-Geoire-En-Valdaine itself offers substantial climbs, its location in the Isère department, part of the French Alps, means it's close to areas renowned for more demanding cycling, including famous mountain passes. Experienced cyclists can find routes with maximum altitudes reaching up to 770 meters within the immediate Pays Voironnais area.


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