4.8
(47)
399
riders
17
rides
Gravel biking around Flerden offers diverse terrain within the Heinzenberg region, characterized by forests, alpine peaks, and varied surfaces. The area features prominent mountain passes such as Glaspass, providing challenging climbs and descents for gravel cyclists. Routes often incorporate serene mountain lakes and offer panoramic views of surrounding valleys and peaks. This landscape provides a mix of tarmac, gravel, and natural trails suitable for different skill levels.
Last updated: July 2, 2026
12
riders
36.4km
04:23
1,590m
1,590m
Hard gravel ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
8
riders
27.4km
02:55
1,010m
750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(4)
15
riders
18.6km
01:24
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.9
(9)
81
riders
64.6km
05:23
1,760m
1,760m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
4.6
(16)
146
riders
54.5km
03:12
590m
590m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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A place of power in a special class
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Ruinaulta Rhine Gorge The Ruinaulta, or Rhine Gorge, is a gorge of the Vorderrhein River, up to 400 meters deep and approximately 13 kilometers long, between Ilanz and the mouth of the Hinterrhein River near Reichenau in the canton of Graubünden in Switzerland. The Romansh name 'Ruinaulta' is composed of the two words ruina (scree slope, quarry) and aulta (high). The Ruinaulta was formed after the Flims Landslide almost 10,000 years ago. At that time, over 10 billion cubic meters of rock broke off between the Flimserstein and Piz Grisch, burying the Vorderrhein Valley between the present-day villages of Castrisch and Reichenau under a mass of debris several hundred meters thick. Because the Vorderrhein River could no longer drain away, a lake was dammed over a length of approximately 25 kilometers. Over time, the river cut deep into the landslide, and the resulting lake drained away completely. What remained was the Ruinaulta, with its steep limestone scree cliffs in impressive erosion formations. Text / Source: Wikipedia https://de.wikipedia.org/wiki/Ruinaulta
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Confluence of the Vorderrhein and Hinterrhein, Reichenau Dominated by Reichenau Castle, the hamlet lies at the confluence of the Vorderrhein and Hinterrhein rivers, making it virtually the birthplace of the Rhine. It all began 10,000 years ago. Between the Flimserstein (a high plateau) and Piz Grisch, over 10,000 cubic meters of rock broke off and thundered down into the valley. Towards Reichenau, the Vorderrhein valley disappears under a gigantic mass of rubble. From there, the Rhine diligently ate its way through the rock, creating the spectacular Swiss "Grand Canyon" – the Ruinaulta. Text / Source: myswitzerland.com https://www.myswitzerland.com/de-ch/erlebnisse/route/vom-zusammenfluss-der-rheine-in-die-rheinschlucht/
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Great little place. Incidentally, the Vorderrhein and Hinterrhein rivers converge in this village.
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Great mountain village with old houses
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very nice on sunny days
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Until now I only knew this as a ski slope, but it's also great for riding a bike
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There are over 18 gravel bike trails around Flerden, offering a variety of experiences. These include 3 easy routes, 5 moderate routes, and 10 difficult routes, catering to different skill levels.
The Heinzenberg region around Flerden offers diverse terrain, from forests to high alpine peaks. You'll encounter a mix of surfaces, including tarmac, gravel, and natural trails. Many routes feature challenging mountain passes like Glaspass and offer panoramic views of surrounding valleys and peaks.
The warmer months, from late spring to early autumn, are generally ideal for gravel biking in Flerden, offering pleasant temperatures and clear trails. During autumn, the landscape is particularly scenic. While some trails might be accessible in winter, many higher-altitude routes or passes could be snow-covered and require specific winter sports equipment or conditions.
Yes, Flerden offers several routes suitable for beginners. For instance, the Canova Cruise is a moderate 11.6-mile trail that provides varied terrain for a steady ride without overly challenging ascents.
Experienced gravel bikers will find plenty of challenging routes. The Thusis - Glaspass - Thusis route is a difficult 22.6-mile path featuring significant elevation changes, including the demanding Glaspass. Another challenging option is Through the Viamala Gorge from Thusis to Andeer, a 17.0-mile trail with substantial climbs.
Many gravel routes in the Flerden area pass by stunning natural attractions. You can explore the dramatic Viamala Gorge, the impressive Roffla Gorge, or ride along the historic Alter Schin Historic Trail. The region also features serene mountain lakes like Pascuminer Lake and Patrutgsee, offering picturesque views.
The gravel biking routes in Flerden are highly rated by the komoot community, with an average score of 4.8 stars from over 30 reviews. Riders often praise the diverse terrain, the challenging mountain passes, and the panoramic views of surrounding valleys and peaks that enhance the cycling experience.
While many routes in Flerden involve significant elevation, some of the easier or moderate sections can be suitable for families with older children or those comfortable with varied terrain. The Canova Cruise, for example, is a moderate route that might be manageable for families seeking a steady ride.
Yes, several routes in the Flerden area are designed as circular tours, allowing you to start and end at the same point. An example is the challenging Polenweg Trail – Alter Schin Historic Trail loop from Sils im Domleschg, which offers a comprehensive experience of the region's diverse landscapes.
Flerden and the surrounding Graubünden canton are generally well-connected by public transport, including post buses and trains, which often allow for bicycle transport (sometimes with a reservation or specific ticket). This can be a convenient way to reach starting points or return from end points of routes, especially for longer, non-circular tours.
Parking is typically available in Flerden and nearby towns like Thusis, which serve as common starting points for many gravel bike routes. Look for designated public parking areas, often near train stations or village centers, though availability and fees may vary.
Yes, many routes pass through or near villages and towns where you can find cafes, restaurants, and guesthouses. Towns like Thusis and Andeer, which are often part of longer tours, offer various options for refreshments and accommodation. It's always a good idea to check opening hours, especially in smaller villages or during off-peak seasons.


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