Castles around Flims offer a glimpse into the region's rich history, set against a backdrop of the Graubünden landscape. The area is characterized by its mountainous terrain and the dramatic Rhine Gorge, carved by the Vorderrhein river. While Flims itself features the ruins of Burg Belmont, the broader canton provides access to several other historic castle sites. These locations combine historical exploration with opportunities to experience the natural environment.
Last updated: June 26, 2026
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The history of the castle continued after its purchase by the Swiss expatriate community. In 1958, Hovag Domat/Ems, under Dr. Werner Oswald, bought Rhäzüns Castle. Since 1984, it has been owned by Ems-Chemie AG, with residential rights granted to the family of Silvia and Christoph Blocher. Therefore, it is not possible to visit the castle.
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A place of power in a special class
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Ruinaulta Rhine Gorge The Ruinaulta, or Rhine Gorge, is a gorge of the Vorderrhein River, up to 400 meters deep and approximately 13 kilometers long, between Ilanz and the mouth of the Hinterrhein River 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 formed 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 Piz Grisch, burying the Vorderrhein Valley between the present-day villages of Castrisch and Reichenau under a mass of debris several hundred meters thick. Because the Vorderrhein River could no longer drain away, a lake was dammed over a length of approximately 25 kilometers. Over time, the river cut deep into the landslide, and the resulting lake drained away completely. What remained was the Ruinaulta, with its steep limestone scree cliffs in impressive erosion formations. Text / Source: Wikipedia https://de.wikipedia.org/wiki/Ruinaulta
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Schloss Reichenau At the confluence of the Hinterrhein and Vorderrhein, at the birthplace of the Alpine Rhine, lies the historic site of Reichenau. Reichenau already had great importance in the past: in the 14th century, as long-distance traffic over the Grisons Alpine passes increased significantly, two bridges and a customs house were built. Reichenau was considered a traffic hub, where all traffic could be controlled. In Reichenau, the routes of the north-south axis separate, along the Vorderrhein into the Oberland towards the Lukmanier and Oberalp passes, and along the Hinterrhein through the Domleschg via the Splügen and San Bernardino. Text / Source: Weinbau von Tscharner & Events Schloss Reichenau, Schloss Reichenau, Reichenauerstr. 59, 7015 Reichenau https://www.reichenau.ch/de/reichenau/geschichte-lage
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At the confluence of the Hinterrhein and Vorderrhein, at the birthplace of the Alpine Rhine, lies Reichenau Castle. Built in the 17th century by the episcopal ministerial family Schauenstein, it looks back on a long history. The last king of France even lived here once.
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Confluence of the Vorderrhein and Hinterrhein, Reichenau Dominated by Reichenau Castle, the hamlet lies at the confluence of the Vorderrhein and Hinterrhein rivers, making it virtually the birthplace of the Rhine. It all began 10,000 years ago. Between the Flimserstein (a high plateau) and Piz Grisch, over 10,000 cubic meters of rock broke off and thundered down into the valley. Towards Reichenau, the Vorderrhein valley disappears under a gigantic mass of rubble. From there, the Rhine diligently ate its way through the rock, creating the spectacular Swiss "Grand Canyon" – the Ruinaulta. Text / Source: myswitzerland.com https://www.myswitzerland.com/de-ch/erlebnisse/route/vom-zusammenfluss-der-rheine-in-die-rheinschlucht/
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very nice on sunny days
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For breathtaking panoramic views, the Belmont Castle Ruins are highly recommended. Perched on a rocky spire, they offer magnificent vistas of Flims, Laax, and Falera. Similarly, Canaschal Castle Ruins also provide a great viewpoint from its elevated position.
Yes, Reichenau Castle, located at the confluence of the Vorderrhein and Hinterrhein rivers, functions as a winery today. It was built in the 17th century and is now run by the von Tscharner family, offering a unique combination of history and viticulture. Further afield, Schloss Salenegg in Maienfeld is recognized as one of Europe's oldest wineries, with a history of viticulture dating back to 1068.
Burg Belmont, dating back to the 10th or 11th century, was the ancestral seat of the powerful Barons of Belmont. It played a significant role in regional power struggles, including a successful uprising in 1352. Although largely ruined, remnants of its complex layout, including ring walls and a cistern, are still visible, offering a tangible glimpse into medieval history.
While Rhäzüns Castle above the Hinterrhein is a historical site with origins possibly dating back to the 10th century and a spectacular location, it is privately owned and unfortunately not open for public visits.
Yes, Burg Kropfenstein (Casti Grotta) near Waltensburg/Vuorz is a truly unique medieval cave castle ruin. It is built directly into a vertical rock face, using an overhanging rock plate as its roof. This construction has helped preserve parts of the castle, offering a fascinating example of defensive architecture and a glimpse into 13th-century life.
Many castles, like the Belmont Castle Ruins, are accessible via hiking trails. The path to Belmont, for instance, is a rewarding roughly 30-minute walk from a parking area near Fidaz, with steps carved into the rock for the final ascent. For more hiking options in the area, you can explore the various routes in our Hiking around Flims guide.
Visiting castle ruins like Belmont Castle Ruins can be a great family activity, combining a scenic walk with historical exploration. The relatively short hike to Belmont, for example, makes it suitable for families. Many of the trails leading to these historical sites are enjoyable for all ages, offering a blend of nature and history.
The region around Flims offers numerous outdoor activities. You can combine castle visits with hiking, as many ruins are accessible via trails. For example, the Belmont Castle Ruins are a popular hiking destination. Additionally, the area is excellent for road cycling and gravel biking. You can find detailed routes in our Road Cycling Routes around Flims and Gravel biking around Flims guides.
The castles around Flims are set against the stunning backdrop of the Graubünden landscape. Reichenau Castle is notably located at the confluence of the Vorderrhein and Hinterrhein rivers, marking the 'birthplace' of the Alpine Rhine. The region is also characterized by its mountainous terrain and the dramatic Rhine Gorge (Ruinaulta), offering impressive natural scenery alongside historical sites.
Visitors particularly enjoy the combination of historical exploration and the stunning natural environment. The panoramic views from ruins like Belmont Castle Ruins are frequently highlighted, with many appreciating the opportunity to combine a scenic hike with a glimpse into the region's rich past. The unique architecture of sites like Burg Kropfenstein also captivates many.
Access varies by castle. For Belmont Castle Ruins, there is a parking area near Fidaz, from which it's about a 30-minute walk. For other sites, public transport options may be available to nearby villages, followed by a hike. It's advisable to check specific access details for each castle you plan to visit.


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