Canyons around Medel (Lucmagn) are characterized by rugged terrain and river-carved landscapes within the Surselva region of Switzerland. The area features impressive natural formations such as the Medelser Schlucht, where the Rein da Medel river flows through steep cliffs. This region is known for its diverse outdoor activities, including hiking routes that traverse dramatic river valleys and gorges. The topography around the Lukmanier Pass also contributes to the canyon-like characteristics of the natural environment.
Last updated: October 14, 2026
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Beautifully far from the road and a primeval landscape. But quite steep for hiking.
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This area was hit by a rockfall on March 14, 2016: In the morning and all day of March 14, 2016, rockfalls were observed from the western flank of the Cuolm da Vi. At 6:00 p.m. a large forward fall was noticed. At 7:50 p.m. the large mass of rock broke away. In the valley floor the flow of debris buried the stream bed and slid on the 1 m thick layer of snow about 1.3 km out of the valley. The mass of rockfall of about 250,000 m' destroyed all spring catchments and wells in the Val Strem. In addition, the water catchment and part of the reservoir of the Val Strem power plant were destroyed. The fall lasted about 15 minutes. There was no danger to the population. The damage amounted to about CHF 10 million. The Val Strem has been completely closed to all passage since then.
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Adventure rope park Curtin Medelin, Muntognas Thrills over the young Rhine: Our rope park "Curtin Medelin" is without doubt one of the most adventurous offers in Disentis Sedrun. In a gorge of the Medelser Rhine, the course built by our experts with a mixture of climbing, abseiling, cable car rides, suspension bridges and a via ferrata offers high tension between the steeply towering rocks of the gorge. Accompanied by our experienced guides, you will experience the adventure of your mountain summer between Disentis and Curaglia - or have you ever ridden a bike over a rope with nothing but roaring water beneath you? The "Curtin Medelin" rope park is suitable for families with children from the age of eight and is also perfect for larger groups, clubs or a team outing. For groups of 15 or more, we can organize your visit to the "Curtin Medelin" on a date of your choice. A visit to our rope park "Curtin Medelin" can be booked exclusively through us. Text / Source: MUNTOGNAS GmbH, Via Alpsu 37, Disentis / Mustér https://www.muntognas.ch/erlebnis/abenteuer-seilpark/
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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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Very impressive section of the Leventina. A small detour that is also highly recommended by bike instead of using the main road.
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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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This gorge is located in the middle of the plateau
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The Piottino Gorge flows through the Ticino River and separates Alta Leventina from the Media Leventina with a difference in altitude of about 150 meters. The gorge was always a major obstacle on the Gotthard road, as it is very narrow and surrounded by high rocks. So it was only at the end of the 14th century that a mule track ran through the gorge. The Gotthardbahn company built to overcome the caused by the Piottino gorge height difference, the two spiral tunnels Freggio and Prato.
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The region offers several impressive gorges. The Gorge of Lucomagno is known for its caves and unique geological insights slightly off marked trails. Another significant site is the Piottino Gorge, where the Ticino River flows through a narrow, historically important passage. You can also visit the Sumvitg Valley, a V-shaped gorge with a scenic route and an old mule track.
Yes, the Piottino Gorge offers an easy viewpoint and an educational trail, making it suitable for families. Additionally, the Curtin Medelin Adventure Rope Park, located in a gorge of the Medelser Rhine, is designed for families with children aged eight and above, offering guided climbing, abseiling, and zip-lining.
You'll encounter dramatic river-carved landscapes, steep cliffs, and rushing waters. The Gorge of Lucomagno features caves, while the Sumvitg Valley is a V-shaped gorge with a waterfall detour. The Piottino Gorge showcases the powerful flow of the Ticino River through a narrow, rocky passage.
The region is excellent for various outdoor pursuits. You can find numerous hiking trails, including routes from the Lucomagno Pass to the Gana Negra Pass or along the Brenno. For those who enjoy cycling, there are challenging road cycling routes, and running trails are also available.
Yes, the Medel (Lucmagn) region is known for its scenic hiking. The 'Via Lucmagn' is a multi-stage route that traverses the Lukmanier Pass and offers views of the rugged terrain and river valleys. A moderate loop from Hospezi S. Maria, the 'Lukmanier Pass – Gorge of Lucomagno loop', specifically takes you past one of the notable gorges.
The summer months are generally ideal for visiting, as the weather is favorable for outdoor activities like hiking and exploring the gorges. The Sumvitg Valley, for instance, is easily accessible in summer with bus services to the Runcahez reservoir, providing a convenient starting point for hikes.
While traditional canyoning tours are not explicitly detailed, the Curtin Medelin Adventure Rope Park offers a thrilling experience within a gorge of the Medelser Rhine. It features climbing, abseiling, zip-lining, suspension bridges, and a via ferrata, providing an adventurous way to experience the canyon's verticality with experienced guides.
The Piottino Gorge, in particular, has significant historical importance. It was a major obstacle on the Gotthard road for centuries due to its narrowness and high rocks. A mule track was eventually established in the late 14th century, and the Gotthard Railway Company later built spiral tunnels to overcome the gorge's height difference.
Yes, the Piottino Gorge has an easy viewpoint that allows visitors to appreciate its impressive scale. Many hiking trails in the Medel (Lucmagn) region also offer stunning views of the natural surroundings, including the dramatic river valleys and gorges.
Visitors appreciate the rugged terrain and the impressive natural formations. The unique geological insights offered by places like the Gorge of Lucomagno, the historical context of the Piottino Gorge, and the scenic beauty of the Sumvitg Valley are frequently highlighted. The adventure opportunities at the Curtin Medelin Adventure Rope Park are also a big draw.
The Sumvitg Valley is accessible, especially in summer. Buses run from the stations Rabius and Sumvitg to the Runcahez reservoir, which provides a convenient shortcut to the valley. From there, you can explore the circular routes over alpine pastures and along the Somvixer Rhine.


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