Best attractions and places to see around Engen include historical landmarks and unique natural features within the Hegau region of Southern Germany. This area is characterized by its volcanic cones and picturesque landscapes. Visitors can explore a variety of sites, from ancient castle ruins offering panoramic views to distinctive geological formations. The region provides diverse opportunities for outdoor activities and cultural exploration.
Last updated: April 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 bridges crossing the Danube - there are a lot of them :-).
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Newly built bridge (after fire)
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Great photo opportunities at every corner and a super nice view
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The region around Engen is rich in history, featuring several impressive castle ruins. You can visit Hohenhewen Castle, which offers panoramic views from its viewing platform. Another significant site is Hohenkrähen Castle Ruins, located on a volcanic cone, providing a challenging ascent and views of the Hohentwiel fortress and Lake Constance area. Additionally, the Zimmern Covered Wooden Bridge over the River Danube, rebuilt after a fire, offers a glimpse into historical architecture.
Yes, Engen is surrounded by distinctive natural features. The Höwenegg Crater Lake, also known as the "Blue Eye" of the Hegau, is a lake formed in a former mining area within a volcanic crater. You can also witness the fascinating Danube Sinkhole, where the Danube river disappears underground for much of the year, reappearing at the Aachtopf.
For families, the Zimmern Covered Wooden Bridge over the River Danube is an accessible and interesting spot. The Danube Sinkhole also offers an intriguing natural phenomenon that can spark curiosity in all ages. While not directly in Engen, the nearby Museum Art & Cars (MAC) in Singen can be a cultural highlight for families interested in art and automobiles.
For breathtaking panoramic views, head to Hohenhewen Castle. Its viewing platform provides a 360° vista of the Hegau mountains, Lake Constance, and the Swabian Alb. On clear days, you might even spot the Alps and the Black Forest. The Hohenkrähen Castle Ruins also offer fantastic views, including the Hohentwiel fortress and the western Lake Constance area, after a rewarding climb.
Absolutely. The Engen area offers a variety of road cycling routes. You can explore routes like the "Langenstein Castle – View of Lake Steißlingen loop" or the "Thayngen Village Center – Hofen (SH) Border Crossing loop." For more options and detailed routes, check out the Road Cycling Routes around Engen guide.
Visitors particularly appreciate the stunning views from the castle ruins, with many describing the vistas from Hohenhewen Castle as some of the best in Hegau. The unique geological formations like the Höwenegg Crater Lake and the Danube Sinkhole are also highly regarded for their natural intrigue and beauty.
Yes, for those seeking a challenge, the ascent to Hohenkrähen Castle Ruins is described as a crisp and demanding climb up a steeply sloping volcanic cone. It features holding aids in critical passages and rewards hikers with a fantastic view from the ruins.
Engen provides several running trails suitable for various fitness levels. You can find routes like the "Engen City Park – Stadtgarten Engen loop" or explore longer options such as the "Petersfels Cave – Petersfels Rock Formation loop." Discover more trails in the Running Trails around Engen guide.
Gravel biking enthusiasts will find diverse routes around Engen. Options include the "Aach Riverside Cycle Path – At the Rudolfzeller Aach loop" and the "View of Tengen – Spitzhütte Viewpoint loop." For a comprehensive list of routes, refer to the Gravel biking around Engen guide.
While the main attractions are popular, the region itself holds many smaller wonders. The Danube Sinkhole, though mentioned, is a unique geological event that might be considered a hidden gem for those unfamiliar with it. The Aachquelle, the source of the Aach river near Eigeltingen, is another notable natural feature that offers a tranquil experience away from the more prominent sites.
The Höwenegg Crater Lake is known as the "Blue Eye" of the Hegau. It's unique because it formed in a former mining area within a volcanic crater, distinguishing it from other volcanic relics in the Swabian Alb. The site is also significant for its fossil finds, including prehistoric horses and rhinos, which attest to a subtropical climate 10 million years ago.
While the Hohenkrähen Castle Ruins offer views of the Hohentwiel fortress, the Hohentwiel Fortress Ruins themselves are located near Singen, a short distance from Engen. They are a significant historic landmark in the broader region, offering deep historical insights and panoramic views, making them a worthwhile excursion.


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