Castles around Stockach are deeply connected to the historical significance of the Nellenburg counts, with the Nellenburg Castle Ruin serving as a key site. While Stockach itself features this prominent ruin, the surrounding Hegau region is characterized by its volcanic landscape and numerous historical castle ruins. This area offers a rich historical experience, providing insights into medieval architecture and strategic locations. The region's terrain presents a variety of exploration opportunities for those interested in historical landmarks.
Last updated: September 27, 2026
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The Gallerturm also served the imperial city as a powder depot. — When the construction of the fortifications on the Gallerhöhe began in 1587, Überlingen was likely under time pressure, as even the girls and boys were recruited to weave the fortifications. In 1534, the women's monastery of St. Gallus was relocated from the Gallerberg to the Fischerhäuservorstadt. It had to make way for the expanded fortifications. This monastery has been documented since 1300, when its inhabitants adopted the Franciscan rule. The sisters of the Galler monastery secured their existence by operating a girls' school. The Gallerturm and Gallerschanze were largely spared enemy action during the Swedish siege of 1634, as the fighting was concentrated in the east and north of the city. However, the tower provided the backdrop for the unforgettable Überlingen Swedish Games, marking the 300th anniversary of that siege in 1934. The Society of Art Lovers of Überlingen now has its home in the Gallerturm.
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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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The Gallerturm towers more than 30 meters high on a rocky spur high above the Gallergraben. The defense tower is named after a convent dedicated to St. Gallus and had to give way to the new fortifications in 1534. Gallus was significantly involved in the Christianization of the Lake Constance area. The monastery and city of St. Gallen go back to him.
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Like all public facilities and gardens that we have seen in Überlingen, very nicely laid out.
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interesting castle ruins with great all-round view
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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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The region around Stockach, particularly the Hegau, is known for its diverse historical sites. You'll find numerous impressive castle ruins, often perched on volcanic cones, offering panoramic views. There are also restored castles like Schloss Espasingen, which combine historical charm with modern comforts, and defense towers such as the Gallertower in Überlingen.
Many castles in the Hegau region provide fantastic views. The Hohenkrähen Castle Ruins, situated on a volcanic cone over 600 meters high, rewards visitors with extensive views of the surrounding landscape, including the fortress Hohentwiel and the western Lake Constance area. The Altbodman ruins also offer a magnificent view over Lake Überlingen. From Frauenberg Monastery, you can enjoy views of the Altbodman ruins and the lake.
Yes, several castle sites are great for families. The Altbodman ruins offer a great adventure, especially for children, with a fantastic view over Lake Überlingen. The Hohenfels Castle Ruins are also considered family-friendly. The Nellenburg Castle Ruin near Stockach is freely accessible and an ideal walking route for families to discover its history.
The Nellenburg Castle Ruin, located near Stockach, is a significant early medieval site. It served as the power center of the Landgraviate Nellenburg and was first mentioned around 1056, though a castle on the hill was referenced as early as 750 AD. The counts of Nellenburg were instrumental in founding the Benedictine monastery of All Saints in Schaffhausen. Today, remnants of the main tower and walls remain, offering a glimpse into the region's medieval past and its strategic importance.
While specific cafes directly at every ruin might be limited, the region offers options. For instance, a former mountain guesthouse, the 'Junge Nellenburg,' is located near the Nellenburg Castle Ruin. Altbodman ruins are near a place to stop for refreshments. For accommodation, Schloss Espasingen stands out as a beautifully restored castle offering stays, conveniently located near Lake Constance.
The area around Stockach offers various outdoor activities. Many castle ruins, like Hohenkrähen Castle Ruins, are accessible via hiking trails, some of which can be quite demanding but rewarding. You can find easy hikes around Stockach, including routes like 'View of Hegau and the Alps – Heiden Caves, Zizenhausen loop'. For cycling enthusiasts, there are road cycling routes and gravel biking options, such as the 'Mindelsee – View of Lake Constance loop'. You can explore more options on the easy hikes around Stockach guide, road cycling routes around Stockach guide, and gravel biking around Stockach guide.
Yes, if you're looking for a challenge, the ascent to the Hohenkrähen Castle Ruins is known to be narrow and winds directly up the cliff face, with holding aids in critical passages. Similarly, the ascent to the Gallertower in Überlingen is very steep and demanding, offering a rewarding experience for active visitors.
The Hegau region and its castles can be visited throughout the year, but spring to autumn generally offers the most pleasant weather for hiking and exploring the ruins. During these seasons, the views are clear, and the trails are in good condition. Some castle sites may have seasonal considerations, so it's always good to check local information.
While specific public transport details for every ruin are not readily available, Stockach itself is connected. For many castle ruins, especially those on volcanic cones, the final approach often involves walking or hiking. It's advisable to plan your route and check local bus or train connections to the nearest towns or villages, then consider walking or driving to the castle sites.
The Gallertower, located in Überlingen, is a significant defense tower built in 1502/3. It is considered the earliest round defense tower north of the Alps and served the imperial city as a powder magazine. Named after a convent dedicated to St. Gallus, it was part of new fortifications from 1534. Its steep and demanding ascent offers a unique historical experience.
Visitors particularly appreciate the combination of rich history and stunning natural landscapes. The challenging ascents to ruins like Hohenkrähen are often cited as rewarding due to the fantastic views. The family-friendly atmosphere at sites like Altbodman ruins and the historical insights provided by places like the Nellenburg Castle Ruin are also highly valued by the komoot community.


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