4.6
(395)
2,532
riders
27
rides
Mountain biking around Sumvitg offers a diverse environment within the Surselva region, characterized by its wild Val Sumvitg and the Vorderrhein river. The area features a network of trails that ascend towards the Greina high plateau, known for its untouched mountain landscape. Riders can explore deep alder forests, sunny slopes, and valleys bordered by peaks such as Piz Muraun and Piz Vial. This varied terrain provides a compelling setting for mountain biking.
Last updated: April 25, 2026
4.4
(18)
104
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.4
(11)
61
riders
26.1km
02:11
640m
640m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.9
(7)
52
riders
32.7km
03:46
1,360m
1,360m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.8
(14)
60
riders
47.4km
04:27
1,230m
1,230m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(26)
194
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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A very beautiful bridge that has seen a lot. Simply great to look at.
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Old covered wooden bridge which is under monument protection
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The Lag da Runcahez 🌊 is an idyllic mountain lake in Val Sumvitg, Graubünden, which is ideal for a relaxed hike. The route usually starts in Sumvitg and leads through picturesque forests and alpine meadows 🌿. The path is well signposted and takes about 2 to 3 hours.
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A rustic wooden bridge with windows leads over the Vorderrhein. A real eye-catcher.
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Romantic covered wooden bridge over the Voorrhein
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In the beautiful little village of Surrein it is worth taking a look at the church of St. Placidus. The baroque furnishings are impressive.
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Sumvitg offers a diverse network of over 25 mountain bike trails. These routes cater to various preferences and abilities, ranging from moderate to difficult, allowing riders to explore the region's unique landscapes.
You can expect a highly varied terrain in Sumvitg. Trails lead through the wild and romantic Val Sumvitg, ascend towards the untouched Greina high plateau, and traverse deep alder forests and sunny slopes. You'll encounter everything from secondary roads and forest paths to flowy singletracks and challenging climbs, with impressive peaks like Piz Muraun and Piz Vial often in view.
Yes, Sumvitg provides options for various skill levels. While there are no trails specifically rated as 'easy' in our current selection, you'll find 15 moderate routes and 12 difficult routes. For instance, the Paul Luziet Picnic Area – Plaun Fravia Riverside Path loop from Rabius-Surrein is a moderate option, while the Paul Luziet Picnic Area – Runcahez Dam loop from Rabius-Surrein offers a more challenging experience.
The best time for mountain biking in Sumvitg is typically during the warmer months, from late spring to early autumn. During this period, the trails are generally free of snow, and the weather is more favorable for exploring the diverse landscapes, from the valleys to the higher alpine areas.
While many trails in Sumvitg are rated moderate to difficult, some routes, particularly those utilizing secondary roads and forest paths, can be suitable for families with older children or those comfortable with longer distances. The 'Val Sumvitg Rundtour' is mentioned as a gentle introduction, ideal for e-bikes and gravel bikes, which could be a good starting point for families.
Sumvitg's trails often lead past stunning natural attractions. You can encounter thundering waterfalls in Val Sumvitg, explore the unique tundra-like landscape of the Greina high plateau, or ride to idyllic spots like Griesslisee or Lag Serein. The region also features impressive peaks such as Kistenstöckli and the young Rhine river forcing its way through gorges.
Yes, many of the mountain bike routes in Sumvitg are designed as loops, allowing you to start and end at the same point. Examples include the Paul Luziet Picnic Area – Rueun–Schnaus Trail loop from Sumvitg-Cumpadials and the Alp Glivers – Plaun Fravia Riverside Path loop from Rabius-Surrein, offering varied distances and challenges.
The mountain biking experience in Sumvitg is highly rated by the komoot community, with an average score of 4.6 stars from over 390 reviews. Riders often praise the diverse terrain, the stunning natural beauty of the Val Sumvitg and Greina high plateau, and the variety of trails suitable for different abilities.
Absolutely. Many routes in Sumvitg provide spectacular panoramas. Trails leading up to Alp Munt or Alp Glivers offer breathtaking views of the surrounding mountains and valleys. The Greina high plateau itself is a vast, untouched landscape providing expansive vistas, and the idyllic Lag da Laus is a scenic spot perfect for a break.
Sumvitg is part of larger national biking routes, including the Rhine Route, which suggests good connectivity. While specific public transport options for trailheads aren't detailed, the region's integration into broader networks often implies accessibility via local bus services or trains, especially for routes starting from villages like Rabius-Surrein or Sumvitg-Cumpadials.
Yes, you can find trails that lead to beautiful water bodies. For instance, the 'Lag da Laus: Kleine Rundtour' (Small Round Tour) leads to the picturesque natural lake Lag da Laus. Additionally, some routes venture deep into the Val Sumvitg where the Rein da Sumvitg flows into a reservoir, and you can find highlights like Muttsee Reservoir and Lago di Luzzone and Luzzone Dam in the wider area.
Among the listed routes, the Plaun Fravia Riverside Path – Val Bugnei Road loop from Rabius-Surrein is one of the longest, covering approximately 47.4 kilometers (29.5 miles). This difficult route offers a significant challenge with over 1200 meters of elevation gain.


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