Best lakes around Idelberg offers a variety of water bodies, including former quarry lakes, natural swimming pools, and tranquil ponds. The region features diverse natural landscapes, providing opportunities for outdoor activities and nature observation. These water features contribute to the area's appeal for those seeking natural recreation.
Last updated: June 26, 2026
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Well-kept and beautiful forest swimming pool!
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Beautiful forest swimming pool! I just wouldn't want to swim there myself because the water is very cloudy and you can't see what's bubbling around underneath you...
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You can also watch fish when there is little or nothing going on. 🐟🐟
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The "Thalhausermühle" outdoor and forest swimming pool is the largest natural outdoor pool in the Westerwald with a water area of 16,000 square meters and sunbathing areas of 15,000 square meters. It was being cleaned today as we wandered past
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The forest swimming pool is fed by the water of the Seelbach and the former mining tunnel.
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I have to go there sometime in the summer!
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Huge outdoor pool with all sorts of attractions.
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Anglers get their money's worth here.
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Around Idelberg, you'll discover a variety of water bodies, including former quarry lakes, natural swimming pools, and tranquil ponds. These offer diverse experiences, from nature observation to recreational swimming.
Yes, the region features excellent natural swimming options. For instance, the Natural Swimming Pool Thalhausen is noted as the largest in the Westerwald, offering a huge water surface, a wide slide, and a diving tower. Similarly, the Waldschwimmbad Thalhauser Mühle is also a large natural outdoor pool with extensive sunbathing areas and untreated, regularly checked water.
Families will enjoy Limbacher Weiher, an interesting pond known for its many fish and a nearby children's playground. The natural swimming pools like Natural Swimming Pool Thalhausen and Waldschwimmbad Thalhauser Mühle are also very family-friendly, offering slides, diving platforms, and ample space for recreation.
Absolutely. The Rosenheimer Lay Basalt Lake is an abandoned quarry that has transformed into a wet biotope, recognized as a habitat for rare and endangered animal species, making it a beautiful piece of nature and a place to relax. The region also has smaller, hidden natural spots like the Kümmelsbach Pond, teeming with tadpoles in spring, and woodland ponds that are excellent for birdwatching.
Yes, the Welsche Hütte Basalt Quarry and Lakes is an impressive industrial monument. While entry is officially prohibited due to safety, it features stone-rock lakes and is considered a beautiful natural area that reflects the region's industrial past.
Beyond enjoying the lakes themselves, the area around Idelberg offers various outdoor activities. You can find numerous routes for hiking, road cycling, and mountain biking. For example, there are easy hiking trails like the 'Nister Bridge, Flögert – Helmeroth Suspension Bridge loop' or more challenging MTB trails such as the 'Marienthal Monastery – Raiffeisen Tower on Beulskopf loop'. You can explore more options in the Hiking around Idelberg, Road Cycling Routes around Idelberg, and MTB Trails around Idelberg guides.
Yes, there are several hiking trails available. For instance, you can find easy walks like the 'Helmeroth Suspension Bridge – Nister Bridge, Helmeroth loop' or the 'Footbridge over the Nister – Weltende Nature Trail loop'. For more details and route options, refer to the Hiking around Idelberg guide.
Visitors particularly appreciate the diverse natural landscapes and the opportunities for relaxation and recreation. Many enjoy the transformation of former industrial sites into natural havens, like the Rosenheimer Lay Basalt Lake, and the family-friendly facilities at places like Natural Swimming Pool Thalhausen. The sheer variety, from tranquil ponds to large swimming facilities, is a major draw.
While not explicitly 'hidden' in the guide, the Rosenheimer Lay Basalt Lake offers a unique experience as an abandoned quarry turned into a significant wet biotope, providing a serene and beautiful natural setting away from typical tourist spots. The region also has smaller, unnamed biotopes like the Kümmelsbach Pond, which offer quiet, natural discoveries.
The best time to visit largely depends on your preferred activities. For swimming and water sports, the warmer months from late spring to early autumn are ideal. For hiking and nature observation, spring offers lush greenery and active wildlife, while autumn provides beautiful foliage. Even in winter, some areas might offer tranquil walks, though specific lake activities would be limited.
For larger recreational areas like the Waldschwimmbad Thalhauser Mühle, a kiosk is available, ensuring you can find refreshments. For smaller, more natural ponds or quarry lakes, it's advisable to bring your own provisions, as amenities might be limited.


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