Best natural monuments around Rothenbrunnen are found within the Viamala Region of the Swiss canton of the Grisons. This area features a blend of natural beauty, geological formations, and historical significance. The landscape offers diverse natural features, from dramatic gorges to serene mountain lakes. These sites provide opportunities for exploration and appreciation of the region's natural heritage.
Last updated: April 28, 2026
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The Dreibündenstein in Graubünden is a hill at an altitude of 2,156 metres south of the city of Chur and the Furggabüel mountain, which is at an altitude of 2,174 metres. They are only separated by a 15-metre-high saddle and a distance of 500 metres. The point is not a mountain peak, but a historical place. It was the only triple border point of the former Free State of the Three Leagues. The original stone from 1722 is on display in the Rätschen Museum in Chur. The replacement stone from 1915 bears the three coats of arms of the Three Leagues. The Three Leagues included the Grey League with the judicial community of Rhäzüns, the Church League of Ortenstein Castle and the Ten Courts League of Churwalden.
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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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Mountain hike from Brambrüesch to Dreibündenstein and on to Feldis
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A dream of a view of the Rhine Gorge and little visited.
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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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Ruinaulta Rhine Gorge The Ruinaulta or Rhine Gorge is a gorge up to 400 meters deep and around 13 kilometers long in the Vorderrhein between Ilanz and the mouth of the Hinterrhein 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 created 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 the Piz Grisch and buried the Vorderrheintal between today's villages of Castrisch and Reichenau under a mass of rubble several hundred meters thick. Since the Vorderrhein could no longer drain, a lake was dammed over a length of around 25 km. Over time, the river cut deep into the landslide masses and the resulting lake was able to drain completely. What remained was the Ruinaulta with its steep limestone rubble cliffs in impressive erosion formations. Text/Source: Wikipedia https://de.wikipedia.org/wiki/Ruinaulta
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Dreibündenstein - a piece of history The Dreibündenstein is a monument to the former border point of the Free State of the Three Leagues. Until 1798, the borders of the "Gotteshausbund", "Grauer Bund" and "Zehngerichtebund" leagues met at this point. Each side of the stone bears a coat of arms of these three Rhaetian leagues. At the same time, the Dreibündenstein commemorates the freedom fighters of Graubünden. Text / Source: EHL Group, Route de Cojonnex 18, 1000 Lausanne 25 https://hospitalityinsights.ehl.edu/de/graubuenden-entdecken-dreibuendenstein#:~:text=The%20Dreib%C3%BCndenstein%20is%20a%20monument%20for%C3%BCr%20the%20former,stone%20stone%20bears%20a%20coat%20of%20these%20three%20Roman%20federations.
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The region around Rothenbrunnen is rich in natural beauty. You can explore the dramatic Rhine Gorge, often called the “Swiss Grand Canyon,” from viewpoints like Il Spir Viewing Platform. There are also serene mountain lakes such as Cresta Lake, known for its crystal-clear waters, and the stunning turquoise Lake Cauma.
Yes, the Dreibündenstein Monument is a significant historical site set within a natural landscape. Located on a hill at 2,156 meters, it marks the former triple border point of the Free State of the Three Leagues and offers panoramic views. The original stone from 1722 is preserved in the Rätschen Museum in Chur, with a 1915 replacement at the site.
The area offers diverse outdoor activities. You can find numerous hiking trails, including easy loops like 'Parish Church of Almens – Canovasee loop from Rothenbrunnen' or more challenging routes such as 'Punt Ruinaulta – View of the Rhine Gorge loop from Rhäzüns'. For more options, explore the Hiking around Rothenbrunnen guide. Cycling and gravel biking routes are also available, with options like 'Poppy Field Near Bonaduz – Historic Center of Tamins loop from Rhäzüns' for cycling and 'Beautiful village of Tamins – Historic Center of Tamins loop from Bonaduz' for gravel biking. Check the Cycling around Rothenbrunnen and Gravel biking around Rothenbrunnen guides for detailed routes.
Absolutely. Lake Cauma is very popular with families, offering swimming in its turquoise waters. Access to the lake is child-friendly, with a train available for the steep path. Cresta Lake is also family-friendly, with a stroller-friendly hiking trail leading to it from the Trin Mulin parking lot. The Il Spir Viewing Platform at the Rhine Gorge is also considered family-friendly, providing breathtaking views.
The summer months (mid-May to mid-September) are ideal for enjoying the lakes like Cresta Lake and Lake Cauma, especially for swimming. To experience the tranquility of Lake Cauma, visiting early in the morning or during the week is recommended, as it can get crowded. The Rhine Gorge viewpoints are impressive year-round, even in winter.
While specific public transport details for each monument vary, the region is generally well-connected. For instance, Lake Cauma is accessible via a train for the final steep descent. Cresta Lake is exclusively accessible on foot, with a hiking trail from the Trin Mulin parking lot. It's advisable to check local transport schedules for the most convenient options to your chosen destination.
Lake Cauma is noted as wheelchair accessible, making it a good option for visitors with mobility challenges. The access to the lake includes a train for the steep path, which aids in accessibility.
Visitors frequently praise the breathtaking views, especially from the Il Spir Viewing Platform over the Rhine Gorge. The crystal-clear waters of Cresta Lake and the stunning turquoise of Lake Cauma are also highly appreciated for their beauty and swimming opportunities. The historical significance and panoramic vistas from the Dreibündenstein Monument also receive positive feedback.
Yes, both Cresta Lake and Lake Cauma are popular for swimming. Cresta Lake is a spring-fed lake with constantly renewed, drinkable water, typically open for swimming from mid-May to mid-September. Lake Cauma is renowned for its pleasant temperatures and vibrant turquoise waters, making it a favorite spot for relaxation and swimming during summer.
Yes, there are facilities available. Cresta Lake has a restaurant on-site, and Lake Cauma also features a restaurant. These provide convenient options for refreshments and meals during your visit.
Yes, there are options for easy walks. The trail leading to Cresta Lake from the Trin Mulin parking lot is stroller-friendly, making it suitable for beginners or those looking for a relaxed stroll. Additionally, some sections around the Rhine Gorge viewpoints offer benches for rest, allowing for shorter, easier explorations.


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