Best attractions and places to see around Große Dhünntalsperre include Germany's second-largest drinking water reservoir, located in the Bergisches Land region. This area is characterized by an expansive natural landscape, featuring diverse topography, large forest areas, and open meadows. The Dhünn and Eifgenbach rivers are constant companions, contributing to the region's strong connection to water. An extensive network of Große Dhünntalsperre hiking trails and cycling routes is available for various activities.
Last updated: May 25, 2026
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River dams in Germany’s Bergisches Land
Hiking around Große Dhünntalsperre
Road Cycling Routes around Große Dhünntalsperre
Cycling around Große Dhünntalsperre
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Running Trails around Große Dhünntalsperre
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Mountain Hikes around Große Dhünntalsperre
The Dhünn Dam is located in the northeast of Cologne
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This dam separates - as the name suggests - the so-called "pre-dam" from the actual Dhünntal dam. The hiking trail around the pre-dam runs relatively close to the bank on the northern side, while the southern side leads a little further away from the water. The circular trail is just over 12 km long.
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The Great Dhünntalsperre, fed by the two springs of the Dhünn River, is the second largest drinking water dam in Germany after the Rappbode Dam
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The Vorsperre Große Dhünn is reminiscent of a quiet mountain lake.
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Breathtaking view of the vast dam.
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The view is beautiful, a great place to take a break
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One of many beautiful views.
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Beautiful view of the dam 😀
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The Große Dhünntalsperre is Germany's second-largest drinking water reservoir, offering an expansive natural landscape. You can explore diverse topography, large forest areas, and open meadows. The Dhünn and Eifgenbach rivers are constant companions along the paths. The area is also home to nature reserves like Naturschutzgebiet Steeger Berg and Naturschutzgebiet Herkensiefen, protecting rare and protected species.
Several spots offer excellent panoramic views. The View of the dam at the Große Dhünn forebay provides unique perspectives of the water and surrounding nature. Another great spot is the View of the Dühntalsperre, offering a clear vista of the reservoir. For a climb with views, consider the Ascent to Unterberg.
Yes, the region is a paradise for hikers with numerous trails for various fitness levels. For a less strenuous option, the "Kleine Talsperrenrunde" is an approximately 5km circular walk (marked D 8). More experienced hikers can tackle the challenging 37km full circuit of the reservoir, which includes both pre-dams and takes about 9.5 hours. You can find many hiking routes, including moderate mountain hikes, on komoot, such as the "View of the Dhünn Reservoir – Große Dhünn Reservoir loop from Kürten" or the "Große Dhünn pre-dam – View of Dhünn Reservoir loop from Große Dhünntalsperre" available in the Mountain Hikes around Große Dhünntalsperre guide.
Yes, the approved paths around the reservoir offer quiet routes through a protected natural area, ideal for relaxed cycling tours with wide landscapes and minimal traffic. You can explore various road cycling routes, including easy options like "Paved Path Through the Fields – Papiermühle Alte Dombach loop from Bechen" or "Church in Biesfeld – Bechen–Blissenbach Road Sign loop from Bechen" in the Road Cycling Routes around Große Dhünntalsperre guide.
Yes, the "Bergische Panoramasteig" and the "Bergische Weg" both pass along the reservoir. The Bergische Weg is a long-distance trail running for 246 kilometers from Essen to Drachenfels, offering extensive hiking opportunities.
The Große Dhünntalsperre is beautiful year-round. While summer can sometimes be crowded, the extensive area allows for peaceful enjoyment of nature. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant foliage or blooming landscapes. Winter hiking is also possible, offering a serene experience.
The natural environment of Große Dhünntalsperre is very family-friendly, offering numerous hiking and cycling trails suitable for all ages. Highlights like the Great Dhünn Reservoir and various viewpoints are accessible and enjoyable for families. The shorter circular walks, such as the "Kleine Talsperrenrunde," are perfect for families with children.
The Große Dhünntalsperre area is generally dog-friendly, with many trails suitable for walks with your canine companion. However, as it is a protected drinking water reservoir, it's important to keep dogs on a leash and adhere to local regulations to protect wildlife and water quality.
While the reservoir itself is primarily a natural attraction, the well-known Altenberger Dom is a significant cultural landmark in the wider Bergisches Land region. It also serves as a starting point for the "Wasserroute unverDhünnt" hike, connecting visitors to the Dhünntalsperre.
Yes, free guided tours are typically available by appointment from Monday to Thursday between 9 AM and 1 PM. Tours are also often offered on open days, providing insights into the reservoir and its surroundings.
Visitors particularly appreciate the breathtaking views of Germany's second-largest drinking water dam at the Great Dhünn Reservoir. The extensive natural environment, home to many rare and protected species, offers a perfect place to enjoy nature and unwind. The numerous hiking and cycling trails, along with the unique water views, are also highly valued by the komoot community.


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