Nature Reserve Guide
The Cologne District is home to more than 30 designated nature reserves, offering a wide array of protected landscapes for outdoor recreation. These areas span from the ancient woodlands of the Königsforst and the heathlands of the Wahner Heide to the volcanic hills of the Siebengebirge and the riverine meadows along the Sieg and Wupper valleys. The diverse topography provides a variety of settings for activities such as hiking, running, and cycling. This collection represents some of the best nature…
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Last updated: April 23, 2026

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Oberes Rurtal Mit Den Felsbildungen Der Ehrensteinsley is a nature reserve in Germany's Eifel region, offering diverse routes for hiking, cycling, and gravel biking through rocky gorges and forests.
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27,686
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Buchenwald Dedenborn is a nature reserve bordering Eifel National Park, offering diverse deciduous forests and varied terrain for hiking, mountain biking, and road cycling routes.
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26,541
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Wahner Heide im Rhein-Sieg-Kreis is a diverse nature reserve with dry and humid biotopes, offering varied terrain for hiking, cycling, and other outdoor sports.
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23,877
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Tal- Und Hangbereiche Der Wupper Mit Seitenbächen is a large nature reserve in Germany offering diverse routes for hiking, cycling, and mountain biking through its valleys, forests, and steep slopes.
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22,095
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Eifgenbachtal Und Seitentäler is a nature reserve in Bergisches Land, offering diverse terrain with wooded slopes and grasslands for hiking, cycling, and jogging routes.
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19,363
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Siegaue is a diverse floodplain nature reserve in Germany, offering varied terrain like wetlands and forests for hiking, cycling, and mountain biking routes.
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4.6
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17,564
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Rurtal Mit Den Felsbildungen Der Uhusley is a nature reserve along the Rur river, offering diverse landscapes and routes for hiking, jogging, and cycling.
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4.5
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17,276
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Perlenbach-Fuhrtsbachtal-Talsystem is a German nature reserve with diverse terrain for hiking, gravel biking, and road cycling, featuring unique fen vegetation and daffodil meadows.
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4.6
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15,161
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Tiefenbachtal Bei Simmerath Mit Nebenbächen is a 164-hectare nature reserve with a deeply incised valley, natural mountain forests, and diverse terrain for hiking and cycling.
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4.5
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13,819
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Dhünntal Und Linnefetal Mit Seitentälern is a nature reserve offering diverse terrain for hiking, mountain biking, and road cycling routes along its rivers and forests.
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13,314
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Hardt is a German nature reserve with diverse landscapes, offering extensive routes for hiking, cycling, jogging, and mountain biking through forests, gorges, and valleys.
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4.5
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13,062
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Gierather Wald is a nature reserve with picturesque forests, streams, and wetlands, offering diverse routes for hiking, cycling, and running. Its varied terrain caters to all skill levels.
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4.6
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11,587
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Holderbachtal/Dürholderbachtal is a diverse nature reserve in Monschau, offering over 100 routes for hiking, gravel biking, touring cycling, and jogging through forests and streambeds.
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4.5
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11,265
hikers
Aggeraue Zwischen Lohmar Und Siegburg is a 259-hectare nature reserve with a natural river landscape, floodplains, and forests, offering diverse routes for hiking, cycling, and jogging.
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4.5
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10,907
hikers
Rheinaue Langel-Merkenich is a Cologne nature reserve with diverse Rhine meadows and forests, offering varied terrain for gravel biking, hiking, and road cycling.
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4.5
(1156)
10,778
hikers
Flittarder Rheinaue is a 180-hectare nature reserve in Cologne offering diverse routes for jogging, hiking, and cycling through flood meadows and grasslands.
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4.5
(2884)
9,743
hikers
Natural Park Drover Heide is a nature reserve in Germany offering diverse heathland, forests, and pastures for hiking, cycling, and jogging on over 100 routes.
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4.6
(2139)
9,072
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Nsg Urfttal Mit Seitentälern Nördlich Und Westlich Von Nettersheim is a nature reserve in the Eifel, offering diverse routes for hiking and cycling through stream valleys and limestone forests.
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4.5
(2004)
8,035
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Kalltal Und Nebentaeler is a nature reserve in Germany offering diverse terrain for hiking, mountain biking, and road cycling along the Kall River and its tributaries.
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7,156
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Nsg Königsdorfer Forst is a large nature reserve near Cologne, offering diverse forest ecosystems and numerous routes for hiking, cycling, and jogging.
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The Cologne District (Regierungsbezirk Köln) contains over 800 designated nature reserves (Naturschutzgebiete) established to protect diverse ecosystems. These areas include heathlands, ancient forests, and river valleys. This page features a selection of more than 30 of these reserves, highlighting routes for outdoor activities like hiking and cycling.
Several nature reserves near Cologne are significant for their biodiversity and recreational opportunities. The Wahner Heide im Rhein-Sieg-Kreis is a former military area with a unique mosaic of heath and forest. Other notable areas include the large woodlands of the Königsforst and the riverine meadows of the Siegaue.
The primary activities in the nature reserves are human-powered outdoor sports. Hiking, cycling, and mountain biking are the most common, with thousands of routes available across the region. Many areas also offer trails suitable for running and nature observation.
There are thousands of hiking trails available across the 37 nature reserves featured on this page. For example, the Wahner Heide im Rhein-Sieg-Kreis offers more than 70 hiking routes. The Buchenwald Dedenborn, bordering the Eifel National Park, also provides around 70 distinct hiking trails through its deciduous forests.
A wide variety of cycling routes are available, catering to road cycling, touring, and mountain biking. The Tal- Und Hangbereiche Der Wupper Mit Seitenbächen offers over 30 road cycling routes and more than 30 touring bicycle routes. For mountain bikers, areas like the Oberes Rurtal Mit Den Felsbildungen Der Ehrensteinsley provide numerous trails through varied terrain.
The Wahner Heide is one of North Rhine-Westphalia's most biodiverse nature reserves, located between Cologne, Troisdorf, and Rösrath. A former military training ground, it features a unique landscape of heathland, moors, and forests. It is a designated Natura 2000 site and offers an extensive network of marked trails for hiking and cycling.
The Königsforst is a large, continuous forest area on the eastern edge of Cologne, forming part of the Bergische Heideterrasse. It serves as a vital green space for the region, providing habitat for woodland species. The forest is a popular destination for hiking, running, and cycling, with numerous trails accessible from the city.
Yes, many nature reserves in the Cologne District offer routes suitable for families. These trails are typically shorter, have minimal elevation change, and are well-maintained. It is recommended to check the details of individual routes for length and difficulty to find one that matches a family's fitness level.
Regulations regarding dogs vary by nature reserve and are in place to protect sensitive wildlife and habitats. In most reserves, such as the Wahner Heide and Königsforst, dogs are permitted but must be kept on a leash at all times. Visitors must adhere to the specific rules posted at trailheads and within each protected area.
Visitors are required to follow specific rules to protect the sensitive ecosystems. The most important rule is to stay on marked paths and trails to avoid disturbing wildlife and damaging fragile vegetation. Other regulations typically include a ban on open fires, litter removal, and leashing dogs. It is essential to respect all posted signage within the reserves.
The nature reserves can be visited year-round, with each season offering a different experience. Spring brings wildflowers, such as the notable daffodil meadows in the Perlenbach-Fuhrtsbachtal-Talsystem. Summer is ideal for long hikes in the shade of forests like Königsforst, while autumn displays vibrant foliage. Winter offers stark, quiet landscapes for peaceful walks.

