Lakes in Donau-Auen National Park are integral to this vital floodplain landscape, which stretches between Vienna and Bratislava. The park is characterized by dynamic aquatic environments, including numerous oxbow lakes and side arms of the Danube River. These water bodies are crucial for the park's rich biodiversity, supporting over 800 plant species and a multitude of mammals, fish, and birds. The area offers diverse natural features and opportunities for nature observation.
Last updated: May 1, 2026
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The Dechantlacke in the way
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The Dechantlacke is a natural lake in the Lobau, part of the Danube-Auen National Park. For cyclists, the paths around the lake offer an idyllic route through riparian forests and wetlands. The routes are easily navigable and combine experiencing nature with exercise in the green, allowing cyclists to experience the flora and fauna of the Lobau up close without having to ride on paved roads.
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It's a beautiful area, with many great little rest areas.
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A body of water that is slowly running out of water.
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Viewing the Danube and seeing the geography of the land as it changes through time.
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Beautiful, the old arms of the Danube and the venerable forests!
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Beautiful view of the Orther Islands from the shore path. The islands themselves are difficult to access due to the dense undergrowth.
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The Dechantlacke is a long-established natural swimming area. Even as a bather, you should always remember that you are staying in the Donau-Auen National Park. Mindfulness and protecting nature are the top priority here. Beavers leave their gnaw marks around this abandoned gravel pit and turtles can be observed in the quiet areas from April until well into autumn. Unfortunately, it is mainly abandoned red-eared and yellow-eared turtles that live here - these cause distress to the native European pond turtle.
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Visitors frequently enjoy the Old Danube Oxbow at Schönau, known for its diverse birdlife throughout the seasons. Another favorite is the Dechantlacke, a natural swimming area where you can spot beavers and turtles. The Orther Islands are also popular for observing the Danube's dynamic power and unique habitats.
Yes, several lakes are great for families. The Dechantlacke is a long-established natural swimming area, perfect for a family outing. Panozzalacke is another excellent choice, offering shallow waters suitable for children and a large lawn for relaxation. The Black Hole Pond also features family-friendly trails nearby.
The Donau-Auen National Park is a haven for wildlife. Around the Old Danube Oxbow at Schönau, you can see swans, gray and great egrets, and cranes. The Dechantlacke is known for beavers and European pond turtles. The Stopfenreuther Arm is another prime spot for European Pond Turtles, especially in spring, and you might also glimpse kingfishers and beavers. The park generally supports over 800 plant species and a multitude of mammals, fish, and birds.
Yes, there are natural swimming spots. The Dechantlacke is a well-known natural swimming area. Panozzalacke also offers wonderful bathing opportunities in a natural setting. The Orth Islands on the Danube are also inviting wild swimming spots, with deposited pebbles and river sand.
The lakes offer something in every season. Spring and autumn are ideal for birdwatching and observing turtles, especially the European Pond Turtle basking in the sun. Summer is perfect for swimming in spots like Dechantlacke and Panozzalacke. The dynamic nature of the Danube means water levels fluctuate, shaping the landscape year-round.
Absolutely. The Lobau area, which includes the Dechantlacke, offers easily accessible hiking and cycling trails through diverse floodplain forests. You can find numerous routes for gravel biking, cycling, and running throughout the Donau-Auen National Park, many of which pass by or near these water bodies.
The Stopfenreuther Arm is historically significant as the birthplace of the Donau-Auen National Park, due to successful protests in 1984 that prevented a power plant construction. It's a prime example of the Danube's dynamic influence, with fluctuating water levels shaping the landscape. It's also an excellent spot for guided canoe tours and observing wildlife like the European Pond Turtle and kingfishers.
The Nationalparkhaus wien-lobAU serves as a visitor center for the Lobau area, offering information, exhibitions, and guided tours. While specific cafes or restaurants directly at every lake are rare, the Lobau area, being close to Vienna, has amenities. For the Panozzalacke, there is a 'crispy house' offering drinks, food, and ice cream.
The Orther Islands are a particularly dynamic habitat where you can observe the Danube's creative power shaping the landscape. The river forms gravel islands, tears embankments, and pushes driftwood, leading to old channels being refilled and supporting rare species like the European pond turtle. Real primeval forests grow on these islands, untouched by forestry.
The Donau-Auen National Park is dedicated to conservation. You can see renaturation efforts at the Spittelauer Arm, which has been reconnected to the Danube to restore its natural flow and create new habitats. Similarly, the Haslau-Regelsbrunn side arm system has undergone renaturation to prevent drying out, promoting a healthier aquatic environment and supporting typical floodplain flora and fauna.
Yes, guided boat tours, particularly canoe and dinghy tours, are highly recommended ways to experience the wilderness from the water. These tours offer unique perspectives and increased chances of spotting wildlife like beavers, kingfishers, and European pond turtles.
Always remember that you are in a National Park. Mindfulness and protecting nature are top priorities. Stick to marked trails, do not disturb wildlife, and take all your waste with you. Some areas, like parts of the Stopfenreuther Donaurunde, may be closed for renaturation projects, so it's advisable to check for current information before your visit.


Still not found your perfect lake in Donau-Auen National Park? Check out the guides of these regions to see even more beautiful places.