Best lakes around Bad Mergentheim offer diverse natural recreation opportunities in the region. The area features various lakes, from developed swimming spots to unique natural reserves, providing options for different outdoor activities. These bodies of water are integrated into the landscape, often surrounded by forests and trails. The region's lakes contribute to its appeal as a destination for outdoor enthusiasts seeking natural tranquility and active pursuits.
Last updated: April 27, 2026
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Technically, Lake Nassau is a flood control basin with a permanent water level. The dam is passable, and if the ground isn't too wet, the lake can be circumnavigated with a gravel bike.
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Spanning over 134,000 square meters, the Bad Mergentheim spa park, with its vibrant floral splendor, mighty trees, and manicured green spaces, offers an oasis of relaxation. Admission is free and open at any time!
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Very beautiful park, invites you to linger
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Beautifully quiet location, worth it ...
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Very nice cycle route through a beautiful landscape.
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Walk through the castle and the park, then use one of the many bridges over the Tauber and you will find yourself in the spa park.
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Also ideal for gravel bike riders! More tips for gravel bike adventures in the area at https://graveldeluxe.com or in my Komoot profile https://www.komoot.de/user/graveldeluxe
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For families, Hollenbacher Lake is an excellent choice. It's a highly developed, family-friendly destination offering pedal boat rentals, extensive walking paths, and a large adventure playground at the adjacent campsite. Another good option is Mulfingen Reservoir, which also features a playground nearby and allows swimming.
Yes, the Blutsee-Moor near Kist offers a unique natural experience as a designated nature reserve. It's known for its 'swinging lawns' (floating mats of vegetation) and the water occasionally turning red due to specific algae. While direct entry is prohibited, marked hiking trails around its perimeter allow observation of this rare wetland ecosystem and its diverse flora and fauna.
At Hollenbacher Lake, you can enjoy swimming, rent pedal boats during summer, and explore scenic trails for hiking and biking around the lake and through the adjacent forest. It's also suitable for surfing in good weather and becomes a popular spot for ice skating in winter.
Yes, the region offers numerous trails. For cycling, you can explore routes like 'Vom Main zur Tauber – Markelsheim nach Wertheim' or 'Fahrrad Erlebnistour 3: Zum Frankendom nach Wölchingen'. For hiking, there are easy trails such as 'Bad Mergentheim Wildlife Park – Wildpark Bad Mergentheim loop' or 'Ketterburg Shelter – Ketterburg Ruins loop'. You can find more details on these and other routes in the cycling guide and easy hikes guide for Bad Mergentheim.
Several lakes are suitable for swimming. Hollenbacher Lake is a popular bathing lake with good water quality. Mulfingen Reservoir also allows swimming. Additionally, Aschbachsee is known as a very natural swimming lake, and Badesee Laibach is another good option for relaxing hours by the water.
While specific dog rules vary by location, many natural areas around the lakes offer opportunities for walks with dogs on leash. For instance, the trails around Blutsee-Moor are suitable for observing nature with your dog. It's always best to check local signage for specific regulations regarding swimming or off-leash areas at each lake.
Hollenbacher Lake is well-equipped with a campsite, gastronomy, a kiosk, and pedal boat rentals. Mulfingen Reservoir has benches and a playground. In contrast, Aschbachsee is more natural and lacks facilities like toilets or kiosks, appealing to those seeking a less commercialized experience.
Yes, Lake Nassauer is described as an idyllic small lake, perfect for a peaceful break, though bathing and boating are prohibited as it primarily serves for flood protection and general recreation. Aschbachsee also offers a natural, less commercialized setting for quiet enjoyment.
The lakes offer different experiences throughout the year. Summer is ideal for swimming, pedal boating, and enjoying the outdoor facilities at places like Hollenbacher See. Spring and autumn are excellent for hiking and biking on the surrounding trails, with pleasant temperatures and beautiful scenery. In winter, Hollenbacher See can be popular for ice skating if conditions allow.
While specific public transport routes to each lake can vary, many lakes, including Badesee Laibach, are generally accessible from Bad Mergentheim. Hollenbacher Lake offers free parking for day visitors, making it convenient for those traveling by car.
Oberstettener Lake is notable for its surrounding forest trails, which offer beautiful views. It's particularly recommended for those who enjoy cycling or hiking through wooded areas, with paths suitable for various bike types, from gravel to road bikes, depending on the section.


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