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Germany
Baden-Württemberg
Freiburg District
Landkreis Konstanz

Volkertshausen

Top 20 Natural Monuments around Volkertshausen

Best natural monuments around Volkertshausen offer diverse landscapes within the Hegau region, characterized by its volcanic cones and significant natural features. The area provides opportunities to explore geological formations and rich biodiversity. Visitors can experience unique natural phenomena and panoramic views across the region. This landscape is ideal for outdoor activities, with many natural monuments accessible for exploration.

Best natural monuments around Volkertshausen

  • The most popular natural monuments is Hohenhewen Castle, a castle and natural monument that offers a wonderful view from its viewing platform. From here, you can see the Hegau mountains, Lake Constance, and the Swabian Alb, with the Alps and Black Forest visible on clear days.
  • Another must-see spot is Hohenkrähen Castle Ruins, a castle and natural monument situated on a volcanic cone. The ascent to the ruins provides a fantastic view of the fortress Hohentwiel, Mägdeberg castle, and the western Lake Constance area.
  • Visitors also love Aachtopf (Aach Spring), a natural monument and Germany's most productive spring. This spring, with an average flow of approximately 8,600 liters per second, feeds the Radolfzeller Aach, which flows into Lake Constance.
  • Volkertshausen is known for its volcanic cones, historic castle ruins, and significant natural springs. The region offers a variety of natural monuments to see and explore, from geological formations to diverse ecosystems.
  • The natural monuments around Volkertshausen are appreciated by the komoot community, with over 700 upvotes and more than 1100 photos shared by visitors.

Last updated: May 11, 2026

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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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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Aachtopf (Aach Spring)

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With an average flow of approximately 8,600 liters per second, it is the most productive spring in Germany. The water originates from the Danube seepage basin in the northern part of the Aach River basin and feeds the Radolfzell Aach, which flows into Lake Constance approximately 32 kilometers between Moos and Radolfzell.

For many years, the hydropower was used for production by the Schiesser factories in Volkertshausen and Rielasingen.

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Hohentwiel Fortress Ruins

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Huge, very interesting fortress with a great view. Bring plenty of time and go into the cellar. Attention! The tickets have to be bought at the bottom of the mountain. There is a kiosk right by the fortress.

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Mägdeberg Castle Ruins

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The castle on the wooded Mägdeberg in Hegau is a ruin of a hilltop castle. The ruin stands at about 654 meters above sea level and is strategically located, surrounded by other castles. About 300 meters from the ruins there is a hiking car park.

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Juschu ( Jürgen & Vicky)
September 21, 2025, Aachtopf (Aach Spring)

The Aachquelle is the largest spring in Germany.

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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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Shady spot with a small kiosk. Ideal for taking a break. 😉

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It is worth a visit, entrance costs 5 euros

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Big, wild ruin with several paths, passages and some brickwork!

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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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Frequently Asked Questions

What are some unique natural features in the Hegau region around Volkertshausen?

The Hegau region is characterized by its distinctive volcanic cones and significant natural phenomena. A prime example is the Aachtopf (Aach Spring), Germany's most productive spring, where clear, turquoise waters emerge dramatically. Another notable feature is Hohenkrähen Castle Ruins, situated on a volcanic cone that hosts rare plant species and one of Germany's largest linden forests.

What is the best time of year to visit the natural monuments around Volkertshausen?

The natural monuments are enjoyable year-round. Spring and autumn offer pleasant temperatures for hiking and vibrant natural colors. Summer is ideal for longer days and outdoor activities, while winter can provide a serene, snow-covered landscape, especially for views from higher volcanic cones like Hohenhewen or Hohenkrähen.

Are there family-friendly natural monuments to visit near Volkertshausen?

Yes, the Aachtopf (Aach Spring) is particularly family-friendly. It features accessible paths along the banks, tranquil ponds, and a rustic restaurant nearby where you can observe swans. It's a captivating geological phenomenon that can be enjoyed by all ages.

Where can I find panoramic views of the Hegau region?

For exceptional panoramic views, consider visiting Hohenhewen Castle. From its viewing platform, you can see the Hegau mountains, Lake Constance, and the Swabian Alb. On clear days, the Alps and the Black Forest are also visible. The ascent to Hohenkrähen Castle Ruins also offers fantastic views of the surrounding volcanic landscape and the western Lake Constance area.

What historical sites are integrated with the natural monuments?

Many natural monuments in the Hegau region are intertwined with historical castle ruins. For instance, Hohenhewen Castle, Hohenkrähen Castle Ruins, Hohentwiel Fortress Ruins, and Mägdeberg Castle Ruins are all situated on prominent volcanic cones, offering a blend of natural beauty and historical significance.

What kind of outdoor activities can I do near these natural monuments?

The area around Volkertshausen offers diverse outdoor activities. You can explore various routes for mountain biking, cycling, and hiking. For example, there are MTB trails like the 'Hohentwiel Fortress Ruins – Vineyard Path' and cycling routes such as 'View of the Aach and Hohenkrähen loop'. You can find more details on these activities in the MTB Trails around Volkertshausen, Cycling around Volkertshausen, and Road Cycling Routes around Volkertshausen guides.

Are there cycling routes that explore the natural monuments?

Yes, there are several cycling routes that allow you to experience the natural monuments. For instance, the 'View of the Aach and Hohenkrähen loop' is an easy cycling route from Volkertshausen. You can discover more cycling options in the Cycling around Volkertshausen guide.

Can I find mountain biking trails in the area?

Absolutely. The region provides mountain biking opportunities, including routes like the 'Hohentwiel Fortress Ruins – Vineyard Path on Hohentwiel loop' and the 'Lochmühle Adventure Park – Aachtopf Spring loop'. For a comprehensive list of trails, refer to the MTB Trails around Volkertshausen guide.

How can I get to the Aachquelle by public transport?

The Aachquelle is located in the town of Aach. While specific public transport routes from Volkertshausen can vary, Aach is generally accessible by local bus services. It's advisable to check current schedules for connections from Volkertshausen to Aach. More information about the Aachquelle can be found on Radolfzell Tourism's website.

How can I get to Hohenkrähen by public transport?

Hohenkrähen is situated north of Singen. Public transport options typically involve taking a train or bus to Singen and then connecting to local services that can get you closer to the base of the mountain. Due to the nature of the ascent, the final part of the journey to the ruins will be on foot. For detailed information on Hohenkrähen, you can visit Wikipedia.

Are dogs allowed on trails around the natural monuments?

Many trails in the Hegau region are dog-friendly, especially those leading to natural monuments like Hohenhewen or Hohenkrähen. However, it's always recommended to keep dogs on a leash, particularly in areas with wildlife or near historical ruins, and to respect any local signage regarding pet regulations.

What do visitors particularly enjoy about the natural monuments in this area?

Visitors frequently praise the stunning panoramic views from the volcanic cones, especially from Hohenhewen Castle and Hohenkrähen Castle Ruins. The unique geological phenomenon of the Aachtopf (Aach Spring) also captivates many. The combination of natural beauty, historical ruins, and diverse ecosystems makes the region a popular destination for nature lovers and hikers.

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

TengenEigeltingenThayngenGottmadingenEngenRadolfzell am BodenseeGailingen am HochrheinMühlhausen-EhingenAllensbachSingen (Hohentwiel)Singen (Hohentwiel)StockachSteißlingenMühlingenOrsingen-NenzingenHilzingenÖhningenRielasingen-WorblingenGaienhofenBüsingen am HochrheinMindelsee

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