Best lakes around Sonnen, a municipality in Bavaria's Passau district, are found within the surrounding Bavarian Forest region. This area provides access to a variety of lakes, ranging from large bathing reservoirs to smaller natural bodies of water. The landscape is characterized by forests and river valleys, offering numerous opportunities for outdoor recreation.
Last updated: May 20, 2026
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a wooden sculpture on the peninsula at Lake Ranna
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From the peninsula at Lake Ranna, there is a beautiful view over the entire lake.
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a beautiful reservoir on the border between Germany and Austria
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Great in summer for swimming/lazing around and taking a break
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A wonderful bathing lake that can also be comfortably walked around (on foot or by bike).
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A wonderful bathing lake that can also be comfortably walked around (on foot or by bike).
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Very nice access along the Ranna below the dam coming from Oberkappel. The last few meters at the dam are steep and challenging due to washed-out gravel channels
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For families, Rannasee is an excellent choice. It's the largest bathing lake in the Bavarian Forest, featuring a 120-meter-long waterslide, an adventure playground, beach volleyball courts, and a children's paddling pool. Freudensee also offers a beautiful circular route suitable for all ages, and the Urlsee Pond Nature Trail is wheelchair accessible and ideal for families with prams.
The lakes around Sonnen offer a variety of outdoor activities. You can enjoy swimming, sunbathing, and pedal boating at places like Rannasee and Catchment Lake Oberilzmill. The region is also excellent for cycling, with numerous routes available. For instance, you can find various cycling tours around the lakes in the Cycling around Sonnen guide.
Absolutely. Many lakes offer scenic walking and hiking opportunities. Freudensee is known for its beautiful circular route, appreciated in all seasons. Catchment Lake Oberilzmill serves as a starting point for many hiking tours along the picturesque Ilz River. You can explore more options in the Cycling around Sonnen guide, which includes routes that pass by these beautiful lake areas.
For swimming and water sports, Rannasee is highly recommended, being the largest bathing lake in the Bavarian Forest with pedal boat rentals and a waterslide. Catchment Lake Oberilzmill is also a popular spot for swimming and offers large meadows for sunbathing, with boat tours available through a rowing club.
Yes, Erlauzwieseler Reservoir is a notable natural monument described as a beautiful, calm lake located in a spa park, offering a refreshing experience. Lake Eging is another natural bathing lake fed by the Rohrbach stream, providing a natural swimming experience with scenic views.
Visitors frequently praise the scenic beauty and tranquility of the lakes. Many appreciate the well-maintained circular routes, like the one at Freudensee, and the diverse recreational options available, from swimming and boating to hiking. The clear waters and natural settings are consistently highlighted as major draws.
Anglers can acquire day permits to fish at Rannasee, where various species like carp, trout, and pike can be found. This makes it a good option for those looking to combine relaxation with fishing.
The Lower Ilz Reservoir Hals Passau is conveniently located directly above the trift barrier in the Hals district of Passau. It can be reached by bike from Passau's old town within 20 minutes and has a small car park, making it easily accessible for a quick escape into nature.
Yes, some lakes offer amenities. Rannasee has a restaurant, and the Lower Ilz Reservoir Hals Passau features a kiosk and a small beer garden. The Urlsee Pond Nature Trail also has a clubhouse with a sun terrace.
The Lower Ilz Reservoir Hals Passau permits dogs on a leash, making it a suitable option for walks with your canine companion. Always ensure to check local regulations for other lakes regarding dog access.
The lakes around Sonnen are beautiful year-round, but the best time depends on your preferred activities. Summer (June to August) is ideal for swimming, sunbathing, and water sports. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant natural scenery. Some circular routes, like at Freudensee, are appreciated in all seasons.
Catchment Lake Oberilzmill is often considered a somewhat hidden gem, offering tranquility amidst clear waters. Its natural beauty along the Ilz River provides a serene experience away from more crowded spots.


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