Best castles around Singen are primarily found within the Hegau region, an area defined by its distinctive volcanic cones and historical significance. The region is known for its impressive castle ruins, including the prominent Hohentwiel Fortress, which offers extensive historical immersion. These sites provide panoramic views over Lake Constance and the surrounding landscape. Many castles are set within nature reserves, blending historical exploration with natural beauty.
Last updated: May 9, 2026
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Hiking around Singen
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The present ruins of the summit castle are located on the summit of the 644 m high Hohenkrähen ("Krayen"), a mountain of volcanic origin north of Singen in the Hegau, between the villages of Duchtlingen, Schlatt unter Krähen and Mühlhausen in the Duchtlingen district.
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Steep but well-secured stone path to the castle ruins.
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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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Great photo opportunities at every corner and a super nice view
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Very crisp and quite demanding ascent, with holding aids attached to the critical passages.
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Exposed location with a wonderful view over the lake
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Super nice and contemplative place
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Wonderfully located with a wonderful view of Lake Constance, this place exudes a beautiful, peaceful and sublime atmosphere
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The region is known for its impressive castle ruins, often perched on volcanic cones. Key sites include Hohenhewen Castle, which offers panoramic views of the Hegau mountains, Lake Constance, and the Swabian Alb. Another significant ruin is Hohenkrähen Castle Ruins, requiring a demanding ascent but rewarding visitors with fantastic views of Hohentwiel Fortress and the western Lake Constance area. Don't miss Altbodman ruins, offering a great view over Lake Überlingen.
Hohentwiel Fortress, perched atop an extinct volcano, is one of Germany's largest castle ruins accessible to tourists. First mentioned in 915, it served as a ducal seat and a stronghold for various noble families. It was significantly expanded in the 16th century and famously withstood five sieges during the Thirty Years' War, earning a reputation for being unconquerable. It was later used as a state penitentiary before being largely destroyed by Napoleon's order in 1801.
The castles around Singen, particularly those in the Hegau region, are renowned for their breathtaking panoramic views. From Hohenhewen Castle, you can see the Hegau mountains, Lake Constance, and the Swabian Alb, with the Alps visible on clear days. Hohenkrähen Castle Ruins offers views of Hohentwiel Fortress and the western Lake Constance area, while Altbodman ruins provides a fantastic vista over Lake Überlingen.
Yes, several castles offer a great experience for families. Altbodman ruins is described as a great adventure for children, with mysterious walls, nooks, and stairways to explore. The extensive ruins of Hohentwiel Fortress also provide an engaging environment for children to discover history.
Absolutely. The climb to Hohentwiel Fortress is a rewarding hike, with paths leading through picturesque landscapes and offering views of other Hegau volcanic cones. For easier options, you can find routes like the 'Alexandertor – Hohentwiel Fortress Ruins loop from Nordstadt' which is an easy 3.8 km hike. You can find more hiking trails in the Easy hikes around Singen guide.
The hike to Hohentwiel Fortress is generally considered rewarding, though parts can be steep. It's a climb to the top of an extinct volcano. While challenging in sections, it's a popular route for many visitors. For an easy hike that includes the fortress, consider the 'Alexandertor – Hohentwiel Fortress Ruins loop from Nordstadt' route.
While specific rules for each castle may vary, the surrounding nature reserves and hiking trails are generally dog-friendly. Many outdoor enthusiasts enjoy exploring the Hegau region with their canine companions. It's always advisable to keep dogs on a leash, especially in nature protection areas and near historical sites.
Yes, parking is available near Hohentwiel Fortress. From the parking area, it's a walk up to the ruins. For Altbodman ruins, there's parking available at Versperstube Bodanwald, which is about a 15-minute walk away.
The castles around Singen offer unique experiences throughout the year. Spring and autumn provide pleasant temperatures for hiking and vibrant natural scenery. Summer is ideal for enjoying the panoramic views and outdoor events like the Hohentwiel-Festival. Even in winter, the ruins can be atmospheric, though some paths might be more challenging.
Yes, the region offers various cycling opportunities. You can find mountain biking trails in the MTB Trails around Singen guide, including routes like 'Vulkan-Genuss Hegau' or 'Riederbachtal Trail – Vineyard Path on Hohentwiel loop'. For gravel biking, explore routes in the Gravel biking around Singen guide, such as 'View of Hohentwiel – At the Rudolfzeller Aach loop'.
Visitors particularly enjoy the stunning panoramic views from the castle ruins, often extending over Lake Constance and even to the Alps on clear days. The historical immersion offered by exploring the extensive ruins, especially Hohentwiel Fortress, is also highly valued. Many appreciate the blend of historical exploration with the natural beauty of the surrounding volcanic landscape and the rewarding hiking opportunities.


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