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Thusis

Top 15 Castles around Thusis

Castles around Thusis provide insight into the region's historical and geographical significance. Thusis, a town in the Swiss canton of Graubünden, features historical castles set within mountainous landscapes. The area showcases structures from different periods, including medieval ruins and baroque castles. These sites offer a tangible connection to the past in the Grisons region.

Best castles around Thusis

  • The most popular castles is View of Hohen Rätien Castle Ruins, a castle that sits high above Thusis. From this location, there is a view of the ruins on the Via Spluga.
  • Another must-see spot is Rietberg Castle, a historical castle. Rietberg was the seat of the Lords of Rietberg, first mentioned in documents from 1286.
  • Visitors also love Sins Castle, a historical castle in Paspels. This castle, built around 1695, underwent extensive reconstruction around 1730.
  • Thusis is known for medieval ruins and baroque castles. The area offers a variety of castles to see and explore, representing different architectural styles and historical periods.
  • The castles around Thusis are appreciated by the komoot community, with more than 300 upvotes and 55 photos shared.

Last updated: May 9, 2026

View of Hohen Rätien Castle Ruins

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From here you have on the Via Spluga a great view of the ruins Hohen Rätien

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Rietberg Castle

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The castle Rietberg stands above the municipality Pratval in the Domleschg in the Swiss canton of Graubünden on the edge of the Rietbach-Tobel on the border to the neighboring municipality sledge.

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Schauenstein Castle

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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
fuerstenau.ch/Portrait/History

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Rhäzüns Castle (Chastè da Razén in Rhaeto-Romanic)
It is not known when the plant or its predecessors were built. A castle probably existed on the site of today's palace as early as the 10th century; A castellum Beneduces et Rezunnes is mentioned in documents of Emperor Otto I and Otto II in the years 960 and 976.
The first proven representative of the barons of Rhäzüns was Arnoldus de Ruzunne, who is mentioned in 1137/39 in the Gamertinger documents. The first documented mention of Rhäzüns Castle itself appears in a sales deed from the Disentis monastery from the year 1282. After the death of the last Rhäzünser Georg in 1459, a long succession dispute arose between the Counts of Hohenzollern-Hechingen von Zollern and the Werdenbergers. In 1461 the castle fell to the Zollern family by arbitral award, who pledged it to Conradin von Marmels in 1437. It came into the possession of Maximilian I in 1497 through an exchange for the Haigerloch estate.
After the death of Hans von Marmels in 1553, Rhäzüns changed hands several times until 1695. Bartholomäus von Stampa and in 1558 Johannes von Planta followed as pledge holders.
In 1695 Austria took over the rule and had it administered by officials. This prevented the Rhäzün rule from being integrated into the politics of the Three Leagues. On December 29, 1809, the rule of Austria passed to France. After the collapse of the Napoleonic Empire, Rhäzüns was initially returned to Austria in 1814 and was added to the canton of Graubünden in 1815 at the Congress of Vienna.
It was bought by the last Habsburg administrator, the doctor and magistrate Georg Anton Vieli. It remained in his family's possession until 1927. In the early 1850s, Father Theodosius Florentini set up a girls' school there, which was moved to Rorschach in 1854. After the lessee of the estate had lived in it, the castle stood empty and began to fall into ruin.
On December 11, 1926, it was bought and extensively renovated by the «Non-profit cooperative for Swiss abroad holiday home Rhäzüns».
Text/Source: Wikipedia
de.wikipedia.org/wiki/Schloss_Rh%C3%A4z%C3%BCns

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Sins Castle

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Sins Castle in Paspels
A castle with a changing face: Sins Castle in Paspels, which is just over 300 years old.
Paspels Castle was probably built by Jahn Victor von Travers-Ortenstein around 1695. Parts of the main wing probably date from this time, although they can no longer be identified. Around 1730, the builder's son of the same name seems to have carried out extensive reconstruction. This reconstruction is probably the basis for the overall layout of the current complex, especially the staircase. It is considered the presumed birthplace of Pompejus Planta, who became known as an opponent of Jürg Jenatsch.
Further modifications were carried out by Lieutenant General Victor von Travers, who also had the chapel built on April 25, 1760 in honor of the names of Jesus, Mary and Joseph. The last major renovation took place in 1892/93 under Colonel Freidrich von Tscharner (later at Ortenstein) with a redesign of the exterior. The architect was Nicolaus Hartmann sen., St. Moritz. In 1911, ownership was transferred to Minister F. von Salis-Soglio. Sins Castle was run as a hotel until 2012.
Text / Source: Viamala Tourism, Bodaplatz 4, 7435 Splügen
viamala.ch/de/ausflugsziele/schloss-sins

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Tips from the Community

Thomas
December 26, 2025, Schloss Rhäzüns Above the Hinterrhein

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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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 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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Sins Castle in Paspels Domleschg Graubünden was rebuilt between 1646 and 1725 by Johann Viktor Travers von Ortenstein as a hilltop castle at a height of 660 metres above the previous building.

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Paul
May 19, 2024, Schloss Sins

Sins Castle in Paspels A castle with a changing face: Sins Castle in Paspels, which is just over 300 years old. Paspels Castle was probably built by Jahn Victor von Travers-Ortenstein around 1695. Parts of the main wing probably date from this time, although they can no longer be identified. Around 1730, the builder's son of the same name seems to have carried out extensive reconstruction. This reconstruction is probably the basis for the overall layout of the current complex, especially the staircase. It is considered the presumed birthplace of Pompejus Planta, who became known as an opponent of Jürg Jenatsch. Further modifications were carried out by Lieutenant General Victor von Travers, who also had the chapel built on April 25, 1760 in honor of the names of Jesus, Mary and Joseph. The last major renovation took place in 1892/93 under Colonel Freidrich von Tscharner (later at Ortenstein) with a redesign of the exterior. The architect was Nicolaus Hartmann sen., St. Moritz. In 1911, ownership was transferred to Minister F. von Salis-Soglio. Sins Castle was run as a hotel until 2012. Text / Source: Viamala Tourism, Bodaplatz 4, 7435 Splügen https://www.viamala.ch/de/ausflugsziele/schloss-sins

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Paul
August 30, 2023, Schloss Schauenstein

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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Rhäzüns Castle (Chastè da Razén in Rhaeto-Romanic) It is not known when the plant or its predecessors were built. A castle probably existed on the site of today's palace as early as the 10th century; A castellum Beneduces et Rezunnes is mentioned in documents of Emperor Otto I and Otto II in the years 960 and 976. The first proven representative of the barons of Rhäzüns was Arnoldus de Ruzunne, who is mentioned in 1137/39 in the Gamertinger documents. The first documented mention of Rhäzüns Castle itself appears in a sales deed from the Disentis monastery from the year 1282. After the death of the last Rhäzünser Georg in 1459, a long succession dispute arose between the Counts of Hohenzollern-Hechingen von Zollern and the Werdenbergers. In 1461 the castle fell to the Zollern family by arbitral award, who pledged it to Conradin von Marmels in 1437. It came into the possession of Maximilian I in 1497 through an exchange for the Haigerloch estate. After the death of Hans von Marmels in 1553, Rhäzüns changed hands several times until 1695. Bartholomäus von Stampa and in 1558 Johannes von Planta followed as pledge holders. In 1695 Austria took over the rule and had it administered by officials. This prevented the Rhäzün rule from being integrated into the politics of the Three Leagues. On December 29, 1809, the rule of Austria passed to France. After the collapse of the Napoleonic Empire, Rhäzüns was initially returned to Austria in 1814 and was added to the canton of Graubünden in 1815 at the Congress of Vienna. It was bought by the last Habsburg administrator, the doctor and magistrate Georg Anton Vieli. It remained in his family's possession until 1927. In the early 1850s, Father Theodosius Florentini set up a girls' school there, which was moved to Rorschach in 1854. After the lessee of the estate had lived in it, the castle stood empty and began to fall into ruin. On December 11, 1926, it was bought and extensively renovated by the «Non-profit cooperative for Swiss abroad holiday home Rhäzüns». Text/Source: Wikipedia https://de.wikipedia.org/wiki/Schloss_Rh%C3%A4z%C3%BCns

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Frequently Asked Questions

What historical castles can I explore around Thusis?

Thusis and its surroundings offer a mix of medieval ruins and later historical castles. You can explore the medieval ruins of Obertagstein Castle, which sits high above Thusis and provides insight into 14th-century fortifications. For a different historical perspective, the Small Baroque Castle (Schlössli Castle) from 1727 showcases 18th-century architectural styles. Other notable sites include Hohen Rätien Castle Ruins, Sins Castle in Paspels, and Schauenstein Castle, each offering a unique historical narrative.

Are there any castle ruins near Thusis that are accessible for hiking?

Yes, the medieval ruins of Obertagstein Castle are accessible year-round via hiking trails. This site offers a tangible connection to medieval history amidst natural landscapes. You can also hike to the View of Hohen Rätien Castle Ruins, which sits high above Thusis and offers a great view of the ruins on the Via Spluga.

What is the best time of year to visit the castles around Thusis?

The castles and their surrounding trails are generally accessible year-round. However, for the most pleasant hiking conditions and clear views, late spring through early autumn (May to October) is often ideal. Winter visits can offer a unique, snow-covered landscape, but some trails might be more challenging.

Are there family-friendly options for visiting castles near Thusis?

Visiting the castle ruins like Obertagstein Castle can be a great family activity, combining a hike with historical exploration. The open-air nature of many ruins allows children to explore freely. While specific 'family-friendly' amenities might vary, the adventure of discovering historical sites in a natural setting is often appealing to families.

What kind of outdoor activities can I do near the castles in Thusis?

The region around Thusis is excellent for various outdoor activities. You can find numerous road cycling routes, such as the 'Roadbike loop from Thusis' or the 'Via Mala Gorge near Thusis – Juf Village loop'. For general cycling, explore routes like 'Ruta Grischun' or the 'Domleschger Runde'. Mountain hiking is also popular, with trails like the 'Cliffside Ladder loop' or the 'Piz Beverin – Glaspass loop'. You can find more details on these activities in the Road Cycling Routes around Thusis, Cycling around Thusis, and Mountain Hikes around Thusis guides.

Can I visit Rietberg Castle or Rhäzüns Castle?

While Rietberg Castle and Rhäzüns Castle above the Hinterrhein are significant historical landmarks in the region, they are not generally open to the public for visits. Rietberg Castle is privately owned by Ems-Chemie AG, and Rhäzüns Castle is also privately owned, with residential rights granted to a family, making public access not possible.

Are there viewpoints near the castles in Thusis?

Yes, several castles offer excellent viewpoints. The View of Hohen Rätien Castle Ruins is specifically noted for its great view of the ruins on the Via Spluga. Obertagstein Castle, situated on a rocky outcrop high above Thusis, also provides scenic vistas of the surrounding mountainous landscape.

What is the history of Sins Castle?

Sins Castle in Paspels was likely built around 1695 by Jahn Victor von Travers-Ortenstein. It underwent extensive reconstruction around 1730, which established its current overall layout. The castle is also known as the presumed birthplace of Pompejus Planta, a historical figure. Further modifications, including the addition of a chapel, occurred in the 18th century, and a major renovation with a redesign of the exterior took place in 1892/93.

Where can I find accommodation near the castles in Thusis?

Thusis itself offers various accommodation options, from hotels to guesthouses, suitable for visitors exploring the local castles and outdoor activities. The town serves as a convenient base for accessing the historical sites and trails in the Graubünden region.

What is unique about Schauenstein Castle?

Schauenstein Castle, located in Fürstenau, has a rich history tied to the episcopal power in Domleschg. It evolved from an episcopal Meierhof (administrative center) and gained market privileges and jurisdiction for blood justice in the 14th century, becoming a city in a legal sense. Its development is closely linked to the political and architectural changes in the region, serving as a strong attraction and a focal point for power struggles.

Are there any dog-friendly walks around Thusis castles?

Many of the hiking trails leading to castle ruins, such as Obertagstein Castle, are dog-friendly, allowing you to enjoy the historical sites with your canine companion. Always ensure your dog is on a leash and that you follow local regulations regarding pets on trails and at historical sites.

What are the parking options for visiting castles around Thusis?

Parking availability varies by specific castle. For castles accessible via hiking trails, such as Obertagstein, you would typically find parking in or near Thusis, or at trailheads leading to the ruins. For castles like Sins, there may be designated parking areas nearby. It's advisable to check specific access information for each site.

Are there guided tours available for castles near Thusis?

While some castles are ruins or privately owned, local tourism offices in Thusis or the wider Graubünden region may offer guided historical walks or tours that include information about the castles. For specific sites like Sins Castle, which operated as a hotel until 2012, there might be opportunities for organized visits or events, but general guided tours are not universally available for all sites.

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