Best natural monuments around Ilanz/Glion are found in the Graubünden region of Switzerland, characterized by dramatic geological formations and diverse natural landscapes. The area features a spectacular canyon, pristine alpine lakes, and prominent mountains offering panoramic views. These natural attractions provide opportunities for various outdoor activities, showcasing the rich geological and ecological heritage of the Swiss Alps.
Last updated: June 26, 2026
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The platform was designed by the Chur architect Corinna Menn on behalf of the municipality of Flims and inaugurated in September 2006. It consists of a single pillar that is anchored in two places. The pillar, held back by a traction cable, protrudes into the gorge. On the pillar lies the triangular platform made of larch wood, which gives the structure the shape of a swift. (Source: https://de.wikipedia.org/wiki/Il_spir)
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Incredibly beautiful nature, embedded in a beautiful valley.
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Beautiful plateau with a great view of the Tschingelhörner
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Take a hike from Nagens. Train to Grauberg under construction and new construction in 2023. Does not run.
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A dream of a view of the Rhine Gorge and little visited.
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simply an incredibly impressive landscape
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Lake Cauma, the Pearl of Flims Called "Lag la Cauma" in Romansh, which means "Lake of Midday Rest," Lake Cauma is the pearl of Flims. Origin This mountain lake was formed as a result of the largest landslide in the Alps, which occurred almost 10,000 years ago. The formation of the lakes is attributed to prehistoric landslides. The water seeped through the porous rockslide masses. However, it can also dissolve the limestone with the help of its carbonic acid. Over time, it created an underground passage. A deeper, impermeable clay layer ensures that the water does not completely seep into the ground. Text / Source: Flims Laax Falera https://www.caumasee.ch/geschichte/
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“Il Spir” viewing platform From the Il Spir viewing platform, you can marvel at the impressive Rhine Gorge / Ruinaulta!
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The region around Ilanz/Glion is home to several highly-rated natural monuments. Among the most popular are the Il Spir Viewing Platform – Rhine Gorge, which offers a dramatic 180-degree panoramic view of the "Swiss Grand Canyon." Visitors also highly appreciate the Tectonic Arena Sardona (UNESCO World Heritage Site) for its unique geological significance and stunning views, including the Tschingelhörner. Another favorite is the View of the Ruinaulta (Rhine Gorge), providing scenic vistas with convenient benches along the route.
The Ilanz/Glion region is rich in geological wonders. The most prominent is the Ruinaulta, often called the "Swiss Grand Canyon," a spectacular gorge carved by the Vorderrhein river after the prehistoric Flims rockslide. This area is part of the Swiss Tectonic Arena Sardona, a UNESCO World Heritage Site, recognized for its exceptional geological and geomorphological values. You can also find mountains like Kistenstöckli / Muot da Rubi, which features unique flysch rock and is known for its abundance of fossils on its scree-filled slopes.
Yes, the Tectonic Arena Sardona, which encompasses parts of the region including the Ruinaulta, is a recognized UNESCO World Heritage Site. It was designated for its outstanding geological and geomorphological values, showcasing how mountains are formed and providing a unique insight into Earth's history.
The natural monuments around Ilanz/Glion offer a wide range of outdoor activities. You can explore the Rhine Gorge by hiking, cycling, rafting, or kayaking. Lakes like Cresta Lake and Lake Cauma are perfect for swimming, paddleboarding, and relaxing. For those seeking more active pursuits, there are numerous trails for running, gravel biking, and mountain biking. For example, you can find various running trails, gravel biking routes, and MTB trails throughout the region.
Absolutely! Many natural monuments in the area are suitable for families. Cresta Lake and Lake Cauma are excellent choices for families, offering swimming, paddleboarding, and easy walking trails. The trail to Cresta Lake from Trin Mulin parking lot is even stroller-friendly. The Rhine Gorge itself offers numerous scenic vistas and trails that can be enjoyed by families, with options for various activity levels.
The best time to visit largely depends on the activities you plan. Summer (June to September) is ideal for swimming in lakes like Cresta Lake (where waters can reach over 24°C) and Lake Cauma, as well as for hiking and cycling. Autumn offers stunning colors, especially around the lakes and forests. While some areas are popular in summer, places like Lake Cauma become a tranquil haven in winter, suitable for peaceful walks and photography.
The Il Spir Viewing Platform is accessible via scenic hiking trails. Popular starting points include Flims Waldhaus or Conn. These trails vary in difficulty, making it suitable for both experienced hikers and casual tourists looking to experience the awe-inspiring scale of the Rhine Gorge.
Yes, Piz Mundaun is a prominent mountain in the region known for offering exceptional panoramic views over the Surselva region and the wider Alpine massif. It's often referred to as the "Bündner Rigi" due to its open location above the Vorderrhein valley, providing breathtaking vistas from its summit.
Yes, both Cresta Lake and Lake Cauma are popular swimming spots during the summer months. Cresta Lake is renowned for its crystal-clear, often turquoise waters, which can warm up significantly. Lake Cauma, known as the "Pearl of Flims," is also a favorite for a refreshing dip.
Visitors consistently praise the breathtaking views and the pristine natural beauty of the region. The dramatic scale of the Rhine Gorge from viewpoints like Il Spir leaves a lasting impression. The crystal-clear waters of Cresta Lake and Lake Cauma are frequently highlighted for their inviting swimming conditions and tranquil atmosphere. Many also appreciate the well-maintained trails and the opportunity to connect with nature.
The entire region offers incredible photographic opportunities. The Il Spir Viewing Platform provides unparalleled panoramic shots of the Rhine Gorge. Cresta Lake, with its turquoise waters nestled in a woodland clearing, is picture-perfect, especially in autumn when reflections create a beautiful display of colors. Lake Cauma is also highly recommended for photos, particularly in winter when it offers a serene and calm landscape.
The Ruinaulta, often called the "Swiss Grand Canyon," is a spectacular canyon formed by the Vorderrhein river. Its formation dates back approximately 9,500 years to the prehistoric Flims rockslide, the largest landslide in the Alpine region. The river then carved its way through the debris, creating the dramatic gorge with towering white cliffs up to 350 meters high. It's explicitly recognized as a Natural Monument and is part of the Swiss Tectonic Arena Sardona UNESCO World Heritage Site, making it a site of immense geological and ecological importance.


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