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Donau-Auen National Park

Top 7 Lakes in Donau-Auen National Park

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.

Best lakes in Donau-Auen National Park

  • The most popular lakes is Old Danube Oxbow at Schönau, Donau-Auen National Park, a river that serves as a wonderful backwater of the Danube. This spot offers opportunities to observe swans, gray and great egrets, and cranes across all seasons.
  • Another must-see spot is Orther Islands, a dynamic habitat featuring gravel islands and reconnected side arms of the Danube. Visitors can observe the river's creative power shaping the landscape and supporting species like the European pond turtle.
  • Visitors also love At the Dechantlacke, a long-established natural swimming area within the national park. Beavers leave their marks around this former gravel pit, and turtles can be observed in its quiet waters from April through autumn.
  • Donau-Auen National Park is known for its oxbow lakes, side arms, and ponds. These water bodies are constantly reshaped by the Danube's dynamic flow, offering a variety of aquatic environments to explore.
  • The lakes in Donau-Auen National Park are appreciated by the komoot community, with more than 740 upvotes and over 60 photos shared across 12 highlights.

Last updated: May 1, 2026

Old Danube Oxbow at Schönau, Donau-Auen National Park

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There is something to see in every season: swans, gray and great egrets and even cranes have been coming to this wonderful backwater of the Danube for several years.

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Orther Islands

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The Orth Islands are a particularly dynamic habitat. They are located a few hundred meters downstream from the popular Orther Uferhaus.

While the first four islands already rise high out of the river and are lined with stately poplars and willows, the Danube is working on creating new gravel areas at the end of the island chain. Over the years you can observe the creative power of the river here. Real and original virgin forests grow on these islands in the national park.

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Panozzalacke

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Here you can swim in the middle of the beautiful nature. The water is not very deep and therefore also suitable for children. Overall, a very nice lake with a large lawn to relax.

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At the Dechantlacke

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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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Dechantlacke

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A highlight no matter what time of year.

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Harald Schneider
March 25, 2026, An der Dechantlacke

The Dechantlacke in the way

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DakenH
December 27, 2025, Dechantlacke

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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blackrat
April 30, 2024, Orther Islands

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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Frequently Asked Questions

What are the most popular lakes and water bodies in Donau-Auen National Park?

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.

Are there family-friendly lakes in Donau-Auen National Park?

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.

What kind of wildlife can I observe around the lakes?

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.

Can I go swimming in the lakes of Donau-Auen National Park?

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.

What are the best times to visit the lakes in Donau-Auen National Park?

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.

Are there hiking or cycling routes near the lakes?

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.

What is the significance of the Stopfenreuther Arm?

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.

Are there any visitor centers or facilities near the lakes?

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.

What makes the Orther Islands unique?

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.

What conservation efforts are visible around the lakes?

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.

Can I take a boat tour to explore the lakes and side arms?

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.

What should I keep in mind when visiting the lakes in Donau-Auen National Park?

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.

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

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