Lakes around Lohmar offer diverse natural landscapes and recreational opportunities. The region features a mix of natural and man-made water bodies, including reservoirs and former mining areas transformed into nature reserves. These areas provide settings for hiking, cycling, and observing local wildlife. Lohmar's surroundings are characterized by riverine floodplains and forested areas, contributing to varied outdoor experiences.
Last updated: June 22, 2026
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Popular around Lohmar
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a beautiful little pond with a shelter on the shore
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Path on the dam with a view of the floodplains and the Siebengebirge
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For the Siegauen you should actually take some time for flora & fauna. Coincidence or not, I even saw a couple of storks in the meadows.
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The complete way around the dam is worthwhile.
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Unfortunately, the Signalradweg is closed until September 30th, 2022.
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Especially in the morning it is very nice to cycle in the Siegaue. The paths are well developed and the floodplain itself is very well maintained.
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The region offers diverse natural landscapes. For instance, Leyen pond is known for its idyllic setting and abundant water lilies, providing excellent photo opportunities. The Grube Cox Lakes, a former dolomite mine, has transformed into a nature reserve with mixed forests, lakes, and ponds, making it a haven for birdwatchers. The Siegaue Nature Reserve, while primarily riverine, features impressive floodplain landscapes, especially dynamic during high tide.
Yes, several areas are suitable for families. Leyen pond is a peaceful spot for leisurely strolls and observing wild ducks. The Siegaue Nature Reserve offers extensive opportunities for cycling and hiking on well-developed paths, suitable for various ages. The Cadets' Pond in the Milchborn Valley is also listed as family-friendly, offering a beautiful little pond with a shelter.
You'll find a variety of hiking trails. The Grube Cox Lakes area offers numerous trails of varying difficulty levels through its unique geological and ecological features. The Siegaue Nature Reserve is ideal for hiking, especially along its well-developed bike paths. For more options, explore the easy hikes around Lohmar, which include routes like the Naafbach Stream loop.
Many natural areas around Lohmar are dog-friendly, but specific rules can vary. For example, Leyen pond is noted as a good spot for dogs to cool off. It's always recommended to keep dogs on a leash, especially in nature reserves like Grube Cox Lakes and Siegaue Nature Reserve, to protect wildlife.
The best time to visit depends on your interests. Spring and summer are ideal for enjoying the water lilies at Leyen pond and for cycling or hiking in the Siegaue Nature Reserve. Autumn offers beautiful foliage, while winter can be interesting for birdwatching at Grube Cox Lakes, where species like Gadwall and Tufted Duck spend the colder months.
Yes, cycling is a popular activity. The Siegaue Nature Reserve offers well-developed bike paths with beautiful views, perfect for experiencing the floodplain ecosystem. You can find more cycling routes in the area by checking out Road Cycling Routes around Lohmar, which includes routes through the Siegaue.
The Grube Cox Lakes are unique because they originated from a former dolomite mine that operated until 1985. Declared a nature reserve in 1996, it's now a significant ecological site with mixed forests, lakes, and ponds. It's particularly known for its diverse birdlife and herpetofauna, including sand lizards and grass snakes.
Yes, some areas have historical context. The Grube Cox Lakes are a direct result of a former dolomite mine. The Cadets' Pond in the Milchborn Valley has a history tied to the training of soldiers at Bensberg Castle, though swimming is now forbidden there.
The region is rich in wildlife. At Leyen pond, you can observe wild ducks. The Grube Cox Lakes are a haven for birdwatchers, with species like Gadwall, Tufted Duck, and Cormorant in winter, and Mistle Thrush and various woodpeckers in the forest. It's also important for reptiles and amphibians, hosting sand lizards and grass snakes.
Absolutely. Leyen pond offers wonderful photo opportunities, especially with its water lilies. The Wahnbach Reservoir is appreciated for its calm, blue water and surrounding forest, providing scenic views. The Siegaue Nature Reserve also offers impressive views of the floodplain landscape, particularly during high tide.
For runners, there are several trails available. The areas around the Sieg River, such as the Siegaue Nature Reserve, offer flat and scenic routes. You can find more detailed running options in the Running Trails around Lohmar guide, which includes routes along the Agger River.
While many lakes offer beautiful scenery, swimming is generally restricted or forbidden in protected areas and reservoirs to preserve water quality and wildlife. For example, swimming is forbidden at the Cadets' Pond in the Milchborn Valley. Always check local signage and regulations before attempting to swim.


Still not found your perfect lake around Lohmar? Check out the guides of these regions to see even more beautiful places.