Best natural monuments around Eigeltingen are found within the volcanic landscape of Hegau, offering diverse natural landmarks. This region is characterized by its unique geological features, including volcanic formations and ancient crater lakes. Visitors can explore a variety of natural monuments, providing insights into the area's geological history and offering opportunities for outdoor activities. The landscape provides a setting for discovering both prominent and hidden natural gems.
Last updated: June 24, 2026
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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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Beautiful viewpoint from the hiking trail around the crater lake of the deep blue lake and the volcanic caldera.
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You have to have been there
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And gone it is, the Danube!
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one of the many rocks worth seeing in the Danube valley.
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Great photo opportunities at every corner and a super nice view
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The Eigeltingen region, part of the Hegau volcanic landscape, is rich in unique geological formations. You can explore sites like the Höwenegg Crater Lake, often called the 'Blue Eye' of the Hegau, which formed 10 million years ago within a former basalt mining area. This area is also known for its 'bizarre volcanic formations' and ancient crater lakes.
Yes, several natural monuments in the area also hold historical significance. For instance, the Hohenhewen Castle, while a castle, is also considered a natural monument due to its prominent location on a volcanic cone. Similarly, the Hohenkrähen Castle Ruins are situated on a volcanic cone over 600 meters high, offering a blend of natural and historical exploration.
Many natural monuments around Eigeltingen offer spectacular panoramic views. From the viewing platform at Hohenhewen Castle, you can enjoy a 360-degree panorama of the Hegau mountains, Lake Constance, and the Swabian Alb, extending to the Alps and Black Forest on clear days. The Hohenkrähen Castle Ruins also provide fantastic views of the Hegau and the western Lake Constance area.
Yes, the Danube Sinkhole is a family-friendly natural monument where you can witness the Danube river 'disappear' underground. Depending on the season, you can explore the riverbed, making it an engaging experience for all ages.
The Eigeltingen region offers various outdoor activities. You can find numerous routes for road cycling, cycling, and running. For example, there are road cycling routes like 'Orchards Near Lake Constance' and cycling tours such as 'View of Schloss Langenstein'. If you prefer running, explore running trails like the 'Villa Rustica, Eigeltingen loop'.
The Höwenegg Crater Lake is unique as it's part of the Hegau volcanism, distinct from other volcanic relics. It formed 10 million years ago and is notable for significant fossil discoveries, including 13 prehistoric horses, antelopes, and rhinos, which were exceptionally preserved in its sediment, indicating a subtropical climate in the past.
Eigeltingen is home to thirteen protected natural monuments, including nine area-based and four individual landmarks. While the guide highlights prominent ones, the broader Hegau region is characterized by diverse natural beauty, offering many opportunities to discover other natural gems beyond the most well-known sites. You can find a list of natural monuments in Eigeltingen on Wikipedia.
Yes, the ascent to the Hohenkrähen Castle Ruins is described as demanding and quite crisp, with the path winding up a cliff face. This challenging hike rewards visitors with a fantastic view and an exciting castle ruin experience.
The Scheuerlehof Cliffs offer beautiful landscapes along the Danube. They are recommended for enjoying scenic views and are particularly pleasant to explore by bike to cover more ground and fully appreciate the surroundings.
Visitors frequently praise the wonderful views, especially from elevated points like Hohenhewen Castle, which offers one of the best panoramas in Hegau. The unique geological formations, such as the Höwenegg Crater Lake, and the blend of natural beauty with historical sites like the castle ruins, are also highly appreciated.
While the guide doesn't specify a single 'best' time, the region's natural beauty, including its volcanic formations and scenic trails, can be enjoyed across different seasons. For hiking and outdoor activities, spring and autumn often offer pleasant temperatures and vibrant landscapes. Winter walks can also provide a unique perspective on the natural monuments.


Extend your search for the best caves by checking out these guides of the top ones around Eigeltingen: