Best castles around Ermatingen are found in a picturesque village nestled on the Lower Lake Constance, offering access to several notable castles rich in history and architectural beauty. This region provides a blend of historical significance and natural landscapes, making it a destination for exploring ancient fortifications. The area is characterized by its lakeside setting and rolling terrain, which often host these historical structures.
Last updated: May 9, 2026
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What you learn on a tour of the castle: After Napoleon's fall, his stepdaughter, the Dutch Queen Hortense, bought the Arenenberg castle estate in 1817 and made it her residence in exile. She renovated and furnished the magnificent salons in style. She brought her nine-year-old son Louis Napoléon with her from France, who later became the last emperor of France under the name Napoleon III. His wife, Empress Eugénie, expanded the castle to include additional salons before donating the property to the canton of Thurgau in 1906.
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Mainau Castle Baroque jewel in the middle of the island The architectural centerpiece is Mainau Castle, the Teutonic Order castle. It was built between 1739 and 1746 according to the plans of Johann Caspar Bagnato and he also supervised the construction. Despite limited financial resources, an architecturally extremely balanced and symmetrical palace complex was created that exudes great harmony. The two side wings open in a horseshoe shape towards the mainland, while the wide side faces Lake Constance. The building consists of a base on which two floors rise. The coats of arms of the Grand Master Clemens August of Bavaria, the Land Commander Philipp von Froberg and the Mainau Commander Friedrich von Baden can be seen particularly magnificently on the west gable. The east gable facing the lake bears the coat of arms of the Teutonic Order. The upper floors can be reached via simple staircases in the side wings. The heart of the castle is the former audience hall, the so-called “White Hall” decorated in white and gold, which only received its current appearance in 1883. It is only open to the public during concerts or special events. The lower area of the castle is open to visitors. Exhibitions regularly take place here in the historic coat of arms hall. Text / Source: Mainau GmbH https://www.mainau.de/de/gehenswuerdigkeiten/schloss-mainau
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Cute little place with an imposing castle and delicious snacks.
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The Deutschordenschloss was built from 739 to 1746 according to the designs of Johann Caspar Bagnato and under his supervision. Despite limited finances, an architecturally highly balanced, symmetrical palace complex of great harmony was created. The arms of the two side wings open towards the mainland in the shape of a horseshoe. In contrast, the wide side faces the lake. The building rests on a plinth over which two floors rise. Magnificent on the west gable: the coats of arms of the Grand Master Clemens August von Bayern, the Land Commander Philipp von Froberg and the Mainau Commander Friedrich von Baden. The east gable on the sea side bears the coat of arms of the Teutonic Order. In his design, Bagnato dispenses with a magnificent representative staircase based on the Würzburg model. The upper floors can be reached via simple staircases in the side wings. The heart of the castle is the former audience hall, the so-called "White Hall", which is kept in white and gold and only got its current appearance in 1883. It is only open to the public for concerts or special events. The Coat of Arms Hall, the central room in the basement of the original Corps de Logis, is also open to the public for changing exhibitions. In addition, the rooms of the castle café in the transition to the palm house. With their clear architectural language, the castle and church form a magnificent, harmonious ensemble - they are a unique example of southern German baroque. Source: https://www.mainau.de/de/ariatlementen-detail/ariat/barockschloss.html
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Those who spend their holidays on Lake Constance should definitely visit the island of Mainau. The island is a feast for the eyes in terms of floral diversity. But the butterfly house and the monstrous sequoias are also a feast for the eyes and offer countless photo perspectives.
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Castle and church form a beautiful, harmonious ensemble in the midst of the dreamlike parks.
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Steckborn, located on the Swiss side of the Untersee, is one of the beautiful places on the Swiss side that invite with a historic old town. The first written mention of Steckborn can be found in the middle of the 9th century in connection with the island of Reichenau. The first traces of settlement go back to the Neolithic Age. Pile-dwelling settlements were built here as well, as is known from the Überlinger See.
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The Deutschordenschloss was started on the stables of Mainau Castle, which was demolished in the 18th century, according to the designs of Johann Caspar Bagnato (Giovanni Gaspare Bagnato) and under his construction management in 1739 and completed after seven years of construction. The three-wing baroque palace was built around a courtyard and a terraced garden on the side. On the central avant-corps of the western part there is a large coat of arms of Grand Master Clemens August of Bavaria, the Land Commander Philipp von Froberg and the Mainau Commander Friedrich von Baden. A Teutonic Order coat of arms is attached to the east gable (lake side). The castle is still the residence of the count's family. The count's flag, which is hoisted on the castle roof, shows whether the count's family is present. The private rooms are in the north wing, i.e. to the left of the castle courtyard, in the inaccessible part of the castle. The centerpiece is the former audience hall, the so-called "White Hall" in white and gold, which got its current appearance in 1883.[
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For a rich historical experience, visit Arenenberg Castle and the Napoleon Museum. This castle was the residence of Napoleon's stepdaughter, Queen Hortense, and her son, who later became Emperor Napoleon III. Guided tours provide fascinating insights into their lives. Schloss Wolfsberg, a Baroque castle from the 16th century with 18th-century restorations, also offers significant historical and architectural interest.
Yes, several castles and historical sites in the area are suitable for families. Arenenberg Castle and the Napoleon Museum is listed as family-friendly, offering an engaging historical experience. Mainau Castle and Gottlieben Village and Drachenburg are also categorized as family-friendly, providing diverse attractions from gardens to historic villages.
Many castles around Ermatingen offer scenic views. Mainau Castle, for instance, is a Baroque jewel surrounded by gardens, with its wide side facing Lake Constance. Schloss Wolfsberg is strategically located on a hilltop, providing scenic views amidst forests and orchards. The Schopflen Castle Ruins offer excellent views towards Ermatingen or Allensbach, and are noted as a good spot for ornithology.
The region around Ermatingen offers various outdoor activities. You can explore cycling routes like the 'Gottlieben Castle – Kreuzlingen Castle loop' or 'View of Lake Constance – Steckborn Old Town loop'. For mountain biking, consider routes such as 'View of the Alps – View of Lake Constance loop'. Gravel biking options are also available, including the 'Bommer Pond – Bommer Weiher Water Lilies loop'. You can find more details on these routes in the cycling guide, MTB trails guide, and gravel biking guide for Ermatingen.
Yes, Mainau Castle is a prime example of unique architecture. Built between 1739 and 1746, this Teutonic Order castle features an architecturally balanced and symmetrical palace complex with a clear architectural language, making it a magnificent and harmonious ensemble of southern German Baroque design.
The castles and surrounding areas are beautiful throughout the year. However, for enjoying the formal gardens of Schloss Wolfsberg or the floral diversity around Mainau Castle, spring and summer offer vibrant displays. Visiting during milder weather also enhances the experience of exploring the historical sites and nearby outdoor routes.
Yes, Gottlieben Village and Drachenburg features the Drachenburg, a historic building that is now a hotel. This offers a unique opportunity to stay within a historic setting right at the narrow confluence of the Rhine in the Untersee of Lake Constance.
Yes, for example, Arenenberg Castle and the Napoleon Museum has a castle cafe where you can rest, enjoy refreshments, and have ice cream. The historic Gottlieben Village also has nice restaurants, offering options for dining after your visit.
Visitors appreciate the rich history and architectural beauty of the castles. For instance, the guided tours at Arenenberg Castle and the Napoleon Museum are highly valued for their interesting insights into the lives of Hortense and Eugénie. The historic buildings and romantic atmosphere of places like Gottlieben Village are also frequently enjoyed.
The duration of your visit depends on the castle and your interest. For Arenenberg Castle and the Napoleon Museum, a guided tour is recommended, which typically takes a couple of hours. Exploring Mainau Castle and its extensive gardens could easily fill half a day or more. For smaller sites like Schopflen Castle Ruins, a shorter visit might suffice, especially if combined with nearby walks.
Yes, the Schopflen Castle Ruins are a notable medieval moated castle ruin near Ermatingen. It offers a glimpse into the past and provides excellent viewpoints over the surrounding landscape.
Absolutely. Steckborn Old Town is a magnificent city with half-timbered houses and a romantic harbor, first documented in the 9th century. It's a beautiful eye-catcher for photographers and offers a rich historical atmosphere on the southern side of Lake Constance.


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