Castles around Donat offer a glimpse into historical architecture and strategic locations within a mountainous landscape. The region features a variety of medieval fortifications, many of which are now ruins, providing historical context and scenic viewpoints. These sites are often situated on hills or cliffs, characteristic of defensive structures in the area. The Donat region is home to 9 castles, reflecting centuries of regional history.
Last updated: June 22, 2026
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This castle is located 250m above the Oden valley. It is privately owned and is very well preserved. Inside there is seating and a fireplace. Entrance fee is 5 francs to help maintain this beautiful castle.
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The ruins are great to look at.
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The publicly accessible Splügen castle ruins are located on a rocky peak east of the village of the same name. The castle can only be reached without a motor vehicle; it takes about ten minutes to walk from the village. There are various theories about when the castle was built, but the latest research suggests that it was built around 1340 by the Counts of Werdenberg-Sargans.
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The Höhen Rätien Castle is a hilltop and church castle high on the rock at an altitude of 946 metres above the entrance to the Viamala Gorge. It is located in Sils im Domelschg Hinterrhein Graubünden. It is one of the oldest cultural and settlement sites in Switzerland.
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Rietberg Castle stands above Pratval in Doleschg Graubünden. It was built in 1225 as a hilltop castle at an altitude of 723 metres.
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Worth a detour, small but nice, located on a very beautiful path between Splügen and Sufner
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Fürstenau - town in miniature An episcopal Meierhof as the origin of Fürstenau The episcopal power in Domleschg was probably already developed in the epoch of the Frankish Empire, in the first millennium. The incompletely preserved Reichsurbar (list of goods and taxes of the imperial rule) from 831 shows that a ministry Tumliasca (bishop's administrative apparatus Domleschg) existed. This faced a vicedominus with judicial authority. It is conceivable that the episcopal administration was originally based in Hohenrätien ob Sils i.D. had, but had been moved to one of the three Carolingian royal courts of Scharans, Almens and Tomils early on. Presumably an administrative officer (Meier) of the bishop took up residence in Baumgartenland Maros near Fürstenau. The name Maros goes back to the Latin word ad majoranem, the accusative of maiora (= dairy farm or farmstead). From this, the name Mairaus developed via ad maioranes, which as a name for Fürstenau first appears in documents in the first half of the 12th century. The development of the city In the course of the 14th century, the sovereign large castle acquired a modest urban character as a result of the denser settlement of the outer bailey. A document from 1383 testifies that the main castle was in front of the bridge to a bailey (lat. atrium). Peasant and artisan subjects lived here, who were responsible for the supply of the lords of the castle, and, as the House of Stoffel shows, apparently also knightly servants. Architectural and political developments are interrelated. In the middle of the 14th century, the diocese of Chur not only managed to obtain market privileges, but also a place of jurisdiction for blood justice. King Charles IV had Bishop Ulrich V (1331-1355) present a diploma on May 13, 1354, which gave Fürstenau the right to jail, sticks and gallows, as well as the holding of two annual markets on St. Michael's and St. George's Day . This meant that Fürstenau had also become a city in a legal sense. Its expansion from 1354 coincides with that of the castle mentioned in 1272. The town was not only of great importance as a trading and market place, it had also risen to become the center of princely possessions in the upper part of the Domleschg. So the castle has clearly proven itself as a strong attraction. Around 1300, a territorialization process began in the Graubünden area, which had a significant influence on political events up until after 1450. Noble dominions such as that of the Lords of Rhäzüns supplemented or overlaid the episcopal dominion. Neither party had a closed territory. As early as the first half of the 14th century, Fürstenau was drawn into the maelstrom of the episcopal power struggles. The few surviving documentary mentions of Fürstenau should be seen in this context: In 1333 the bishop promised the lords of Rhäzüns 1000 marks, four hundred of them through Fürstenau Castle, which was then pledged. In 1347 the castle served as security so that the bishop would go back into the captivity of the Count of Tyrol, from which he had been released. Fürstenau was then handed over to Walter von Stadion. In 1351 an arbitral tribunal had to decide the dispute over Fürstenau Castle between the bishop and the Counts of Montfort. Finally, in 1367, Fürstenau was occupied by the cathedral chapter and the bishop's vassals. In 1387 it regained great importance in connection with the expansion of the Septimer Pass by Johann von Castelmur. Text: City of Fürstenau https://www.fuerstenau.ch/Portrait/History/
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The Donat region features a variety of medieval fortifications, including impressive hilltop castles, historical sites, and castle ruins. Many are situated on hills or cliffs, offering scenic viewpoints and a glimpse into centuries of regional history.
For stunning vistas, consider visiting the View of Hohen Rätien Castle Ruins, which provides a great view on the Via Spluga. Another excellent choice is the Ruins of Splügen Castle, offering fantastic views of Splügen and the surrounding mountains from its hilltop location.
Yes, Rietberg Castle is a historical site with a rich past, having been the seat of the Lords of Rietberg and witnessing numerous changes of ownership and significant events. Schauenstein Castle also has a deep history, playing a role in episcopal power struggles and the development of Fürstenau as a city.
The Donat region is excellent for combining castle visits with outdoor activities. You can find various routes for gravel biking, mountain biking, and running. For example, explore the 'Runda Lai da Vons' for gravel biking or the 'Crap Carschenna Viewpoint – Via Mala Gorge' for mountain biking. Discover more options on the Gravel biking around Donat, MTB Trails around Donat, and Running Trails around Donat guides.
Many castles are integrated into or near hiking routes. For instance, the Ruins of Splügen Castle are easily accessible on foot from the village. You can find various running and hiking trails, such as the 'Andeer Reformed Church – At Clugin loop', which offers moderate difficulty. Check the Running Trails around Donat guide for more details.
Accessibility varies by castle. For example, the Ruins of Splügen Castle are easily accessible on foot from the village in about ten minutes, but access by car is not possible directly to the ruins. It's advisable to check specific access details for each castle you plan to visit.
Given the mountainous landscape and the nature of outdoor activities like hiking and biking, the warmer months from spring to autumn are generally the best time to visit the castles around Donat. This period offers pleasant weather for exploring ruins and enjoying the scenic viewpoints.
While the guide highlights popular choices, the region is rich with historical remnants. The Cagliatscha Castle Ruins, a hilltop castle ruin in Andeer, offers a great spot to look at and a nice rest area, providing a more secluded experience.
Visitors frequently appreciate the historical significance and the stunning views offered by these castles. The View of Hohen Rätien Castle Ruins is noted for its special history and great views, while the Ruins of Splügen Castle are loved for their fantastic panoramic outlook. The komoot community has shared over 55 photos and given more than 300 upvotes, highlighting the visual appeal and historical interest.
Many of the castles, particularly those with accessible trails and scenic viewpoints, can be enjoyable for families. Exploring castle ruins like Ruins of Splügen Castle offers an engaging way to learn about history while enjoying the outdoors. Consider the difficulty of the approach trails when planning with younger children.
Yes, for castles like Rietberg Castle and Schauenstein Castle, detailed historical information is available, covering their origins, changes in ownership, and significant events that shaped their past. This includes their roles in regional power dynamics and notable figures associated with them.


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