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Germany
Baden-Württemberg
Freiburg District
Landkreis Konstanz

Engen

Attractions and Places To See around Engen - Top 20

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.

Best attractions and places to see around Engen

  • The most popular attractions is Hohenhewen Castle, a castle that offers panoramic views from its viewing platform. From this vantage point, visitors can see the Hegau mountains, Lake Constance, and the Swabian Alb.
  • Another must-see spot is Höwenegg Crater Lake, a lake also known as the "Blue Eye" of the Hegau. This lake formed in a former mining area within a volcanic crater, with a circular path leading around it.
  • Visitors also love Hohenkrähen Castle Ruins, located on a volcanic cone offering a challenging ascent. From the ruins, there are views of Hohentwiel fortress, Mägdeberg castle, and the western Lake Constance area.
  • Engen is known for its historical castles, natural monuments, and unique geological formations. The region offers a variety of attractions to see and explore, from ancient ruins to crater lakes and river sinkholes.
  • The attractions around Engen are appreciated by the komoot community, with more than 1600 upvotes and over 240 photos shared by visitors.

Last updated: April 24, 2026

Zimmern Covered Wooden Bridge over the River Danube

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The roofed wooden bridge of Zimmer was built for the first time in 1784.
Most recently in 2015/16 after a fire.
Source: immendingen.de/Startseite/Tourismus+_+Freizeit/Gedeckte+Holzbruecke.html

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Hohenhewen Castle

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A hike to the Hohenhewen castle ruins is worthwhile just for the wonderful view. A viewing platform was built onto the rest of the keep, from which you can see the Hegau mountains, Lake Constance and the Swabian Alb to the north. In good weather and with a clear view, you can also see the Alps and the Black Forest.

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Höwenegg Crater Lake

Highlight • Lake

Also called the "Blue Eye" of the Hegau.
Unlike other volcanic relics and maars in the Swabian Alb, the "Höwenegg" is part of the Hegau volcanism. The main crater is the largest of a total of six eruption sites from which basalt and basalt tuff were mined. The lake visible today was formed in the former mining area.
The eruption occurred 10 million years ago. At that time, a crater lake formed, which was visited by numerous animals. Fossil finds of 13 prehistoric horses, antelopes, and rhinos attest to the subtropical climate at that time. The fossils were excellently preserved in the lake sediment.

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Hohenkrähen Castle Ruins

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On a more than 600 meters high and steeply sloping volcanic cone towers the ruin Hohenkrähen above Schlatt. The way up is actually quite narrow and meanders right up the cliff face up to the castle ruin. For the rocky ascent you will be rewarded with a fantastic view and an exciting castle ruin.

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Danube Sinkhole

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On most days of the year, the Danube "disappears" completely. Due to the water-soluble limestone, an "underground river" has formed. The water flows invisibly away and reappears at the 12 km distant Aachtopf (the largest karst spring in Germany). From there it flows as Radolfzeller Aach to Lake Constance. The Danube water becomes Rhine water.

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Popular around Engen

The Freiburg–Lake Constance Black Forest Trail — To the Swabian Sea

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The Schwarzwald-Jura-Bodensee Weg

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The Freiburg–Lake Constance Black Forest Trail — To the Swabian Sea

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Kristian
July 26, 2025, Hohenkrähen Castle Ruins

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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Frequently Asked Questions

What historical sites can I explore around Engen?

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.

Are there any unique natural wonders to see near Engen?

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.

What are some family-friendly attractions in the Engen area?

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.

Where can I find the best panoramic views around Engen?

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.

Are there opportunities for road cycling near Engen's attractions?

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.

What do visitors enjoy most about the attractions around Engen?

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.

Are there any challenging hikes or climbs to viewpoints?

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.

Can I find running trails around Engen?

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.

What kind of gravel biking routes are available in the area?

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.

Are there any hidden gems or less-known attractions worth visiting?

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.

What is special about the Höwenegg Crater Lake?

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.

Can I visit the Hohentwiel Fortress Ruins from Engen?

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.

Most popular routes around Engen

Family-friendly hikes around Engen

Most popular attractions around Engen

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Still not found the Highlight you’re looking for? See guides of the top attractions in other regions:

GottmadingenSingen (Hohentwiel)ThayngenTengenGailingen am HochrheinBüsingen am HochrheinRielasingen-WorblingenÖhningenHilzingenEigeltingenGaienhofenRadolfzell am BodenseeStockachMühlhausen-EhingenSteißlingenOrsingen-NenzingenVolkertshausenAllensbachMühlingenWollmatinger Ried - Untersee - GnadenseeMindelsee

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