Best canyons around Lumnezia are characterized by deep gorges, dramatic topography, and unique landscapes within the high alpine valley of Grisons. The region features impressive natural formations, including river-carved gorges and high mountain valleys with canyon-like characteristics. These natural features of Lumnezia valley offer diverse experiences for exploration and connection with nature.
Last updated: June 24, 2026
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It's actually hard to believe that this is the Rhine. A very beautiful section.
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The Val Sumvitg 🌄 in Graubünden is a beautiful valley, ideal for hiking and nature experiences. It offers picturesque hiking trails through dense forests, flowering meadows and along clear mountain streams 🌿. Highlights include the Aclettabach waterfall 🌊 and the idyllic Lag da Runcahez.
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Good to drive. Even in wet conditions
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Watch out for the pedals!!
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For me as a beginner quite demanding and exhausting. it was fun :)
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Attention! This trail is reserved for pedestrians from 9:00 a.m. to 4:00 p.m.! Not from 10:00 a.m. to 4:00 p.m. as described here! Otherwise really cool and strenuous!
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You can now buy a day ticket from the reservoir to the alp for CHF 8 (SMS or EasyPark app). This saves about 30-45 minutes on foot and is worth it if you want to hike the Greina in one day. In summer, because of the grazing of the cows and cattle, damage to the car cannot be ruled out. The path is also not intended for expensive or low-slung vehicles 😉.
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Wow, what a beautiful single trail. It is rooty and occasionally rough, but overall it is not particularly difficult to ride. However, note that in summer you can only take the path before 9 a.m. or after 4 p.m. The spectacular path is located in the middle of the Swiss Grand Canyon, as the Rhine Gorge is also called. It is therefore not surprising that this extremely beautiful natural highlight is also popular with hikers. So be sure to stick to these time limits to ensure peace between hikers and bikers.
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The Lumnezia valley is characterized by deep gorges, dramatic topography, and unique landscapes. You'll find impressive natural formations such as the Glogn Gorge, carved by the Glogn River, and the Ual da Mulin Gorge, which offers pleasant views from its hiking trails. The region also features high mountain valleys like Val Frisal, known for its trough-shaped glacier flow and meandering water channels, contributing to its canyon-like experience.
Yes, the region has historical significance. For instance, the Glogn Gorge is home to the "Crap da Treis Siarps" (Three Snakes Stone), a Neolithic or Bronze Age megalithic monument, hinting at the area's ancient history. The Greina Plain, while a natural wonder, also shows remnants of past cultures within its vast landscape.
You can find diverse hiking experiences. The Singletrack in the Rhine Gorge offers a rooty and occasionally rough trail through what's known as the Swiss Grand Canyon. Another impressive path is the Rheinschlucht Hiking Trail, which provides spectacular views along the young Rhine. For a unique high-alpine trek, consider routes leading to the Greina Plain, though these often require good fitness and sure-footedness.
The Greina Plain is an expansive high alpine area connecting Val Lumnezia with Val Sumvitg and Valle di Blenio. While a plain, it features impressive geological formations and vast moor landscapes, offering a powerful and magical experience with its wild, untouched scenery. It's recognized for its extraordinary biodiversity and is a protected zone, providing a unique, canyon-like high-altitude environment.
Visitors particularly enjoy the Protective Wall in the Ruinaulta Gorge, a rampart offering impressive views up to the cliffs. Another favorite is Rein Anteriur, a natural monument where the Rhine is still a solitary stream. The Singletrack in the Rhine Gorge is also highly popular among hikers and bikers for its spectacular natural beauty.
While some trails can be challenging, many areas offer accessible paths. For example, the Ual da Mulin Gorge has hiking trails that are pleasant for exploration. When planning, look for routes described as 'moderate' or check local information for specific family-friendly sections, as some popular trails like the Singletrack in the Rhine Gorge have time restrictions for bikers to ensure peace with hikers.
Beyond exploring the gorges themselves, Lumnezia offers a range of outdoor activities. You can find numerous hiking opportunities, including routes like "The Greina – one-day alpine bus route" or "Punt d'Ours Suspension Bridge – View of the Glogn River loop from Degen." For cycling enthusiasts, there are gravel biking routes such as the "High Route Mundaun" and MTB trails like "Alp Sezner Mountain Hut – Waschchrüt–Wali Trail loop from Vignogn." You can find more details on these activities in the hiking guide, gravel biking guide, and MTB trails guide for Lumnezia.
Visitors frequently praise the spectacular views and the sense of untouched nature. Many appreciate the impressive insights into the gorges and the surrounding alpine landscape. The unique combination of dramatic geology, rich biodiversity, and the opportunity for active recreation in a tranquil setting makes the area highly appealing. The Singletrack in the Rhine Gorge, for example, is often described as a "wow" experience for its beauty.
The best time to visit largely depends on your preferred activity. Summer offers lush landscapes and warmer weather for hiking and biking, though some popular trails may have time restrictions for bikers due to increased hiker traffic. Spring and autumn can provide beautiful colors and fewer crowds. During snowmelt, rivers can be particularly powerful, enhancing the dramatic scenery of the gorges.
Val Frisal is a high mountain valley known for its dramatic entrance and unique natural features. This 3-kilometer-long plateau, at 1885 meters altitude, is characterized by a trough-shaped glacier flow and beautifully meandering water channels. It boasts a primeval flat moor with rare flora and fauna, and the hike into the valley passes by numerous waterfalls and the Uaul Scatlè, Switzerland's smallest but highest primeval forest. It's an exceptional and solitary place, ideal for connecting with untouched nature.
Yes, many trails and areas provide excellent viewpoints. The Protective Wall in the Ruinaulta Gorge offers impressive views up to the cliffs. The Rheinschlucht Hiking Trail also provides exciting insights into the gorge and panoramic views all around. The surrounding peaks of Val Frisal, such as Kistenstöckli and Pèz d'Artgas, also offer spectacular vistas of the high valley.


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