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Nonnenhorn

Top 9 Castles around Nonnenhorn

Best castles around Nonnenhorn are found within the broader Lake Constance region, offering a glimpse into rich history and diverse architectural styles. Nonnenhorn itself is a small municipality on Lake Constance. The area features historical sites ranging from elegant Baroque palaces to medieval castle ruins. These attractions are easily accessible and provide insights into the region's past.

Best castles around Nonnenhorn

  • The most popular castles is Achberg Castle, a castle that was built by the Order of the Teutonic…

Last updated: May 9, 2026

View of Schloss Montfort, Lake Constance, and the Alps from Langenargen

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You can catch a glimpse of Lake Constance here. Countless small shells lie at your feet. You also have a beautiful view of Langenargen Castle. And every now and then a duck walks in front of the camera lens. 🥰

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Montfort Castle

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A very nice park and a good place to take a breather while cycling.

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Achberg Castle

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Achberg was once Hohenzoller

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Altsummerau Castle Ruins

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The castle was built in the 12th century and destroyed in the Thirty Years' War in 1640. Unfortunately, there isn't that much left of the 🏰, but the ruins are worth a little detour!

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Senftenau Water Castle

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Lont always comes back in

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Popular around Nonnenhorn

Lake Constance for young & old: cycling, swimming, picnicking, enjoying

Frühlingsgefühle am Bodensee: Wanderungen an Sehnsuchtsorte

Genussherbst am Bodensee – Wandern durch Farben und Duft

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Lake Constance for young & old: cycling, swimming, picnicking, enjoying

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Rinaldini
August 27, 2025, Schloss Achberg

In 1691, Land Commander Franz Benedikt von Baden acquired the Achberg estate for the Teutonic Order. In keeping with his noble status, he had the castle expanded between 1693 and 1700.

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At the castle complex, first mentioned in 1152 and built by the Lords of Summerau, of which remnants of the keep still remain, only a few walls offer a place to rest. A staircase from the inner courtyard leads down to a well-preserved vaulted cellar. The view from the former hilltop castle, which consisted of an outer castle and a 28-meter-long and 14-meter-wide main castle, which was inhabited until its destruction in the Thirty Years' War, has long since been overgrown.

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Located in the Reutin district, quite hidden.

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Lont always comes back in

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Super sports bar in the clubhouse of SpVgg Lindau

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Built in the 12th/13th century, destroyed in the Thirty Years' War

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you can also climb the tower

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Here there are great places to watch a beautiful sunset.

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Frequently Asked Questions

What types of castles can I explore near Nonnenhorn?

The Lake Constance region around Nonnenhorn offers a diverse range of historical sites. You can find elegant Baroque palaces like the Meersburg New Palace, medieval castle ruins such as Altsummerau Castle Ruins, and unique structures like Montfort Castle with its Moorish architecture. There are also former monasteries turned palaces, like Schloss Salem, and cultural venues like Achberg Castle.

Are there family-friendly castles to visit near Nonnenhorn?

Yes, several castles and sites are suitable for families. Montfort Castle in Langenargen is family-friendly, offering a beautiful park and views. Achberg Castle hosts exhibitions and events that can be engaging for various ages. Schloss Salem, with its extensive grounds, hedge maze, and gardens, also provides a great family outing.

Which castles offer the best panoramic views of Lake Constance and the Alps?

For breathtaking panoramic views, Montfort Castle in Langenargen is an excellent choice. Its tower, typically open from March to October, provides stunning vistas of Lake Constance, the town center, and the Swiss Alps. The terrace of the Meersburg New Palace also offers magnificent views of the Alps and the lake, enhancing its Mediterranean ambiance.

Can I visit castle ruins near Nonnenhorn?

Absolutely. The most notable castle ruin is Altsummerau Castle Ruins near Tettnang. Dating back to the 12th century, it offers a peaceful historical site to explore with visible remains of the keep and defensive walls. It's appreciated for its quiet surroundings and clear structural layout.

What outdoor activities can I combine with a castle visit?

The region around Nonnenhorn is perfect for combining castle visits with outdoor activities. You can find numerous hiking trails and cycling routes that pass by or lead to these historical sites. For example, you can enjoy a scenic walk or bike ride along Lake Constance to Montfort Castle, or explore the quiet surroundings of Altsummerau Castle Ruins, which is near the Argen river and a camping area.

Are there any castles that also function as cultural venues?

Yes, Achberg Castle, a Baroque 'pearl in the forest,' serves as a vibrant cultural venue. It regularly hosts exhibitions, concerts, and other events. Its magnificent Knights' Hall is also available for civil wedding ceremonies, blending history with contemporary cultural life.

What is the best time of year to visit castles near Nonnenhorn?

The best time to visit is generally from spring to autumn (March to October). During these months, the weather is pleasant for exploring, castle towers (like Montfort's) are typically open, and gardens (like those at Schloss Salem and Meersburg New Palace) are in full bloom. Many cultural events at places like Achberg Castle also take place during this period.

How can I reach castles like Meersburg New Palace from Nonnenhorn?

Meersburg New Palace is located on the opposite side of Lake Constance from Nonnenhorn. It is easily accessible by ferry, which offers a scenic journey across the lake. This allows you to visit Meersburg and its impressive palace, as well as the nearby Old Castle Meersburg, which is the oldest inhabited castle in Germany.

Are there cafes or restaurants available at or near these castles?

Many castles offer dining options. Montfort Castle has a restaurant within its grounds, and the Kavalierhaus in its park also houses a restaurant. Achberg Castle features a Schlosskaffee (castle cafe) that is regularly open on weekends and public holidays. Additionally, the towns surrounding these castles, such as Langenargen and Meersburg, provide numerous cafes and restaurants.

What is unique about Schloss Salem?

Schloss Salem is unique because it combines a rich history as a Cistercian monastery, founded in 1134, with its current role as a prestigious boarding school. Visitors can explore its extensive grounds, which feature grand parks, gardens, a hedge maze, and extravagant rococo apartments. It offers a fascinating blend of medieval monastic life and aristocratic splendor.

Is there a 'water castle' near Nonnenhorn?

Yes, the Senftenau Water Castle is located somewhat hidden in the urban area of Lindau. While access to the interior might be restricted as it's private property, you can enjoy beautiful views of the castle from the narrow, gravelly bike path that loops around it.

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