4.8
(10)
85
riders
12
rides
Gravel biking around Merlas features a diverse landscape, characterized by mountainous passes, tranquil canals, and a notable lake. The region offers varied terrain, from challenging ascents through the Chartreuse massif to flatter sections alongside waterways. Gravel bike trails in Merlas navigate through a mix of forested areas, open valleys, and routes with significant elevation changes.
Last updated: August 25, 2026
4.0
(3)
15
riders
53.1km
03:50
1,360m
1,360m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
20
riders
37.1km
02:28
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
11
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
7
riders
34.1km
02:26
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
12
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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The 2nd half of the North face has been redone recently, a beautiful and very smooth cycling path. Road quite busy (1 of the entrances to Chartreuse from Grenoble)
0
0
Nice flat gravel path to avoid the very busy road between St Laurent du Pont and St Joseph de rivière, up to the Demay bridge. Runs along the l'Herretang canal
0
0
Small pass, easy climb from the north, great descent to the south.
1
0
Small place, but suffers greatly from the busy main road.
2
0
Small bridge, unfortunately unpaved cycle path, but beautiful landscape, partial views of the Chartreuse.
2
0
Unfortunately unpaved cycle path, but beautiful landscape, partly views of the Chartreuse.
3
0
Unpaved cycle path Via Chartreuse
2
0
There are over 20 gravel bike routes in the Merlas region, offering a diverse range of experiences from easy canal-side rides to challenging mountainous ascents.
Yes, Merlas offers several easy gravel bike routes perfect for beginners. For example, the Via chartreuse – Canal de l'Herretang loop from Saint-Joseph-de-Rivière is an easy 22.3 km path that provides a gentle ride along a canal and through the Via Chartreuse.
The terrain around Merlas is quite varied. You'll find routes with significant elevation changes through the Chartreuse massif, flatter sections alongside tranquil canals, and paths leading through forested areas and open valleys. The region is characterized by mountainous passes, canal-side paths, and lake views.
Absolutely. For advanced gravel bikers seeking a challenge, the Merlas region has plenty to offer. A notable difficult route is the Charmette Pass – Col de la Charmette loop from Saint-Laurent-du-Pont, which is 53.2 km long and features significant elevation gain through mountainous terrain.
Many of the gravel bike routes in Merlas are designed as loops. For instance, the Lac de Paladru – Our Lady of the Vines loop from Montferrat offers a 34.1 km circular trail through varied landscapes including a lake.
Merlas offers several natural attractions along its routes. You can explore highlights like the Gorges du Crossey, the Grenant Stream, or enjoy views from the Croix des Cochettes View of Lac de Paladru. The region also features the beautiful Lake Paladru.
The gravel biking routes in Merlas are highly rated by the komoot community, with an average score of 4.4 stars from over 10 reviews. Riders often praise the diverse landscapes, from challenging mountain passes to serene canal paths and scenic lake views.
Yes, the region is known for its lake views. The Lac de Paladru – Our Lady of the Vines loop from Montferrat is a great option, leading through varied landscapes including the notable Lake Paladru. You can also find routes along the Cycle Path on the Eastern Shore of Lac de Paladru.
Yes, the Merlas area features routes that utilize former railway paths and canals. The Canal de l'Herretang – Via Chartreuse Cycle Path loop from Saint-Laurent-du-Pont is an excellent example, offering a gentle ride along the canal and the Via Chartreuse.
Gravel bike trails in Merlas vary significantly in length. You can find shorter, easy routes around 20-25 km, such as the Via Chartreuse Cycle Path – Canal de l'Herretang loop from Entre-deux-Guiers (22.2 km), up to longer, more challenging rides exceeding 50 km, like the Charmette Pass – Col de la Charmette loop (53.2 km).
Yes, the mountainous terrain and lake regions offer several scenic viewpoints. A notable one is the Croix des Cochettes View of Lac de Paladru, providing stunning vistas of the lake and surrounding landscape.


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