4.3
(157)
742
riders
44
rides
Gravel biking around Große Dhünntalsperre offers diverse landscapes for off-road exploration. The region features varied topography with extensive forests, open meadows, and numerous water features, including the Große Dhünntalsperre itself. Trails often follow the Dhünn and Eifgenbach rivers, providing routes with minimal traffic through a protected natural area. The terrain includes both paved and unpaved sections, with some loose surfaces and ascents.
Last updated: May 17, 2026
4.8
(4)
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(10)
41
riders
32.7km
02:14
460m
470m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.7
(6)
16
riders
14.9km
00:58
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(11)
46
riders
31.5km
02:14
490m
490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
21.9km
01:49
400m
400m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Große Dhünn Reservoir is a real highlight for cyclists who appreciate quiet routes and expansive landscapes. On the designated paths, you'll ride through a protected nature reserve with little traffic and plenty of space to enjoy nature. Long, steady stretches and beautiful views of the water make this section ideal for relaxed tours away from busy routes.
1
0
Nice jump - with enough speed you can really take off here (someone should be careful not to cut off anyone else's right of way).
0
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Great for hiking and relaxing
0
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The Dhünn Dam is located in the northeast of Cologne
5
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A bench for a break in exactly the right place. From here you have a great view of the dam. It is also an information point about an old moated castle that stood here a long time ago.
3
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Beautifully blooming rhododendrons in the Dhünn Valley in May.
3
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There are over 40 dedicated no-traffic gravel bike routes around Große Dhünntalsperre, catering to various skill levels. You'll find everything from moderate tours to more challenging rides.
The region offers a diverse mix of terrain, perfect for gravel biking. You'll encounter both paved and unpaved sections, some with loose surfaces and demanding ascents. The routes often wind through extensive forests and open meadows, with the Dhünn and Eifgenbach rivers as constant companions.
The Große Dhünntalsperre is situated within a protected natural area. While cycling is generally permitted on designated trails, it's important to stay on marked paths to protect the local flora and fauna and ensure an undisturbed connection with nature. No specific permits are typically required for cycling on public trails.
Many routes offer stunning views of the Große Dhünntalsperre itself, Germany's second-largest drinking water dam. You can find excellent vistas from highlights like View of the dam at the Große Dhünn forebay and View of the Dühntalsperre. The trails also feature the picturesque Dhünn and Eifgenbach rivers, flowing through lush forests and open meadows.
While the focus is on natural beauty, longer tours can be extended to include the impressive Altenberger Dom, considered one of Germany's most beautiful Gothic churches. Additionally, nearby historical village centers like Dabringhausen offer insights into the region's heritage.
Yes, the region offers routes suitable for families, with varying lengths and difficulty levels. While many trails are moderate, some are less challenging, providing a safe and enjoyable experience away from traffic. Look for routes with less elevation gain for a more relaxed family outing.
Generally, dogs are welcome on trails in the Große Dhünntalsperre area, especially if kept on a leash. As it's a protected natural area, keeping dogs under control helps preserve the environment and respects wildlife. Always check specific trail signage for any local restrictions.
There are various parking areas available around the Große Dhünntalsperre, particularly near popular starting points for trails. Many routes, such as the Große Dhünn Reservoir – Dünn Dam loop from Purder Bachtal, often have convenient parking nearby, allowing easy access to the car-free routes.
Access to the Große Dhünntalsperre area by public transport is possible, though it might require some planning. Regional bus services connect surrounding towns and villages, some of which are close to trailheads. Check local transport schedules for the most convenient access points.
Absolutely! Many of the no-traffic gravel bike routes around Große Dhünntalsperre are designed as loops, allowing you to start and end at the same point. Examples include the Dhünn Dam – Dhünn River Trail loop from Dhünntal und Linnefetal mit Seitentälern and the View of Dhünn Reservoir – Große Dhünn Dam loop from Bechen.
The trails around Große Dhünntalsperre offer a range of difficulties. While there are some moderate routes, a significant number are classified as difficult, featuring more challenging ascents and varied terrain. This makes the area suitable for both intermediate and experienced gravel bikers looking for a good workout.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the quiet, traffic-free nature of the routes, the stunning views of the dam and surrounding landscapes, and the immersive experience of cycling through extensive forests and along picturesque rivers.
Yes, you'll find options for refreshments in the charming villages surrounding the Große Dhünntalsperre. Some routes, like the Rausmühle Inn & Beer Garden – Rausmühle loop from Altenberg, even pass directly by establishments where you can take a break and refuel.


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