Castles around Sankt Thomas am Blasenstein offer a glimpse into the region's medieval past, featuring historical castle sites and ruins. The municipality is situated in Austria, providing panoramic views of the surrounding landscape. These sites combine historical significance with natural geological formations, making them notable for visitors interested in history and nature. The area's castles are often integrated into hiking routes, allowing for exploration of both cultural heritage and the natural environment.
Last updated: July 1, 2026
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Castles & Palaces Trail – Discover the mystical Mühlviertel in Austria
Hiking around Sankt Thomas am Blasenstein
Cycling around Sankt Thomas am Blasenstein
Running Trails around Sankt Thomas am Blasenstein
MTB Trails around Sankt Thomas am Blasenstein
Road Cycling Routes around Sankt Thomas am Blasenstein

Gravel biking around Sankt Thomas am Blasenstein
Greinburg Castle is an impressive historical structure that rises majestically above the town of Grein in the Lower Mühlviertel region. Here are some interesting facts about this remarkable castle: 1. Oldest residential castle in Austria: Greinburg Castle is considered the oldest residential castle in Austria and was built between 1488 and 1495 with the approval of Emperor Frederick III. It is a significant example of the architecture of the period. 2. Historical Significance: The castle has a long and eventful history and has been an important residence for the ducal family of Saxe-Coburg and Gotha over the centuries. It reflects the power and influence of the noble families in the region. 3. Architectural Features: The castle's architecture combines various styles and elements added over the centuries. Particularly noteworthy are the impressive towers and well-preserved interiors, which offer a glimpse into life in bygone times. 4. **Location and View**: The castle sits high above the Danube River and offers breathtaking views of the surrounding landscape. Its location makes it a popular destination for tourists and history buffs. 5. **Visitor Information**: Greinburg Castle is open to the public and offers guided tours, allowing visitors to learn more about the castle's history and architecture. There are also events and cultural activities held at the castle. Greinburg Castle is not only an architectural masterpiece, but also a living part of Austrian history. ! 😊
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Greinburg Castle, built between 1488 and 1495, is the oldest residential castle in Austria and is located above the town of Grein on the Danube. It boasts a three-story Renaissance arcaded courtyard, the Knights' Hall, the castle chapel with an early Baroque Christmas altar, the unique diamond vault, and the Sala Terrena decorated with Danube pebbles. The castle has been owned by the Saxe-Coburg and Gotha family since 1823 and today houses the Upper Austrian Maritime Museum. It is open to visitors from May to October. In addition, cultural events such as the Danube Festival Weeks in the Strudengau region are regularly held here.
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Beautiful cycle path along the Danube
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Grein is an Upper Austrian town in the Lower Mühlviertel in the district of Perg. With an area of 18.42 square kilometers and 2,934 inhabitants (as of January 1, 2023), Grein is the fifteenth largest municipality in terms of area and the seventh largest municipality in terms of population in the district. Grein has been the third oldest town in the Mühlviertel and the capital of the Strudengau since 1491.
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The castle can only be visited with a guided tour. It is still freely accessible outside.
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Beautiful section of the route with highlights worth seeing, on a great route from Melk to Grein. We have now driven this section several times and it is and remains a great experience. Relaxed tour on cycle paths that are easy to navigate.
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The region is rich in historical castle sites and ruins, rather than fully preserved castles. You can explore sites like the Klingenberg Castle Ruins, which are remarkably well-preserved, or the Windhaag Castle Ruins. The area also features the Burgställe (castle ruins/sites) of Blasenstein I and Blasenstein II, offering glimpses into the medieval past.
While Sankt Thomas am Blasenstein is primarily known for its castle ruins and sites, the nearby Greinburg Castle is a notable exception. It is considered the oldest residential castle in Austria, built between 1488 and 1495, and features a Renaissance arcaded courtyard, the Knights' Hall, and the Upper Austrian Maritime Museum. It is typically open to visitors from May to October.
Many castle sites double as excellent viewpoints. The Kreuzen Castle and Danube Valley View offers a fantastic panorama over the romantic Danube valley of the Strudengau region, the Machland, and even to the Alps. The Burgställe Blasenstein I (Oberer Burgstall) and Blasenstein II (Unterer Burgstall) also provide expansive views of the Mühlviertel region.
Yes, several sites are considered family-friendly. Kreuzen Castle and Danube Valley View is a great option, offering cultural experiences and beautiful scenery. Greinburg Castle, with its historical exhibits and impressive architecture, also welcomes families. Additionally, the View of Grein and Greinburg Castle from the Danube Cycle Path is a pleasant spot for families enjoying a bike ride.
Near Burg Blasenstein II (Unterer Burgstall), you'll find the unique natural rock formation known as the Buckelwehlucka (also called 'Bucklwehluck'n' or 'Durchschlupfstein'). Local folklore suggests that crawling through this stone crevice from east to west can alleviate back pain, making it an intriguing natural and cultural highlight.
The region offers various outdoor activities. You can find numerous gravel biking routes, such as the 'Greinburg Castle – Grein Marina loop from Arbing', or challenging cycling tours like the 'Kammerer Chapel Silberberg – View of Königswiesen loop'. For runners, there are trails like the 'Gypsy Wall Rock Formation loop from St. Thomas am Blasenstein'. You can explore more options on the gravel biking guide, running trails guide, and cycling guide for Sankt Thomas am Blasenstein.
Guided tours for sites like the Oberer Burgstall, the church, and the Bucklwehluck'n are typically available from April to October. This period generally offers pleasant weather for exploring the outdoor ruins and enjoying the panoramic views. For indoor attractions like Greinburg Castle, the opening season is usually from May to October.
Yes, the region is rich in history and folklore. The Burgställe Blasenstein I and II date back to the 11th to mid-13th centuries, serving nobility and liege workers. The Buckelwehlucka at Blasenstein II is steeped in local legend, believed to cure back pain. The site of the former Schloss Blasenstein is now occupied by the local church, with parts dating back to the 14th century, highlighting the continuous historical significance of the area.
Absolutely. The region is popular for cycling, and you can easily integrate castle visits into your routes. The View of Grein and Greinburg Castle from the Danube Cycle Path is a perfect example, offering views of the castle directly from a popular cycling route. Many other routes pass near historical sites, allowing for a blend of active exploration and cultural discovery.
Visitors particularly appreciate the combination of historical significance and breathtaking natural beauty. The expansive views over the Mühlviertel region from sites like Kreuzen Castle are highly praised. The well-preserved nature of ruins like Klingenberg Castle and the unique folklore surrounding natural formations like the Buckelwehlucka also contribute to a captivating experience.
Yes, guided tours are available for some of the sites. For instance, the Klingenberg Castle Ruins are best visited with a guided tour, though they are freely accessible outside of tour times. Guided tours for the Oberer Burgstall, the church, and the Bucklwehluck'n are also offered, typically from April to October.


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