Natural monuments around Orth an der Donau are defined by the Donau-Auen National Park, preserving one of Central Europe's last large, intact floodplain landscapes. This region, shaped by the Danube River, features dynamic environments including gravel islands, reconnected side arms, and extensive floodplain forests. Orth an der Donau serves as a gateway to these diverse habitats, offering opportunities to observe riverine ecosystems and their unique flora and fauna. The area provides a natural setting for exploring the interplay between the…
Last updated: May 11, 2026
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From Vienna to the state border at Hainburg - Tours in the National Park Donau-Auen
Discover the Donau-Auen National Park
Radrouten im Nationalpark Donau-Auen
Hiking around Orth an der Donau
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The Danube-Auen National Park is one of the last large, intact floodplain landscapes in Central Europe. It stretches along the Danube between Vienna and Bratislava and covers an area of around 9,600 hectares. The national park protects this unique river landscape, which is characterized by a dynamic interplay of floods, gravel banks, old watercourses and floodplain forests. The national park was created after the successful protests against the construction of a hydroelectric power plant in Hainburg in the 1980s. The protection of the floodplains became a milestone in the Austrian environmental movement. The Danube flows largely unregulated in this section, which means that natural flooding and changes in the course of the river remain possible. This dynamic creates diverse habitats.
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Great cycle paths and beautiful nature
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The Danube-Auen National Park is a 9,600 hectare national park that stretches from Vienna to the mouth of the March in Lower Austria on the border with Slovakia. It is one of the largest, largely intact floodplain landscapes in Central Europe along the Danube. The area is 38 kilometers long and measures barely four kilometers at its widest point.
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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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EuroVelo 6 always a pleasure
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The Donau-Auen National Park stretches from Vienna to the mouth of the March at the Slovakian border near Bratislava. With a total length of the protected floodplain area of 38 kilometers, the national park is barely 4 kilometers at its widest point, because floodplains are only found in the immediate vicinity of the river. In the north lies the wide plain of the Marchfeld and the protective dam, built in the 19th century, runs through the national park area. In the south, the border is formed by the edge of the Vienna Basin.
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The Donau-Auen National Park in Austria preserves the last large floodplain landscape in Central Europe on an area of more than 9,600 hectares. The Danube, which is still free-flowing here, is the lifeline of the national park for about 36 km. Their dynamic interplay with level fluctuations of up to 7 m redesigns the floodplains again and again. In this way, the Danube River creates habitats for a large number of animals and plants.
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Visitors particularly enjoy the Southern tip of the Danube Island (Donauinsel), which offers impressive views where the New Danube meets the main river. Another favorite is the Orther Islands, known for their dynamic gravel areas, natural swimming spots, and unique habitats formed by the Danube's current.
Yes, the region offers several family-friendly options. The Southern tip of the Danube Island (Donauinsel) is a great spot for a relaxed visit with views. Additionally, the Schlossinsel at the schlossORTH National Park Centre, while not a highlight in the provided data, is mentioned in region research as ideal for families, featuring an underwater observation station and tracking station for wildlife.
The Donau-Auen National Park is characterized by its dynamic river landscape. You can observe the Danube's unregulated flow creating natural gravel islands and new banks, as well as extensive floodplain forests with trees like willows and poplars. Reconnected side arms and backwaters are crucial habitats for rare species such as the European Pond Turtle and the Mudminnow.
The diverse habitats support a variety of wildlife. On the Orther Islands, you might find thermophilic organisms like snakes, spiders, and beetles among the driftwood. The reconnected side arms are home to rare species such as the European Pond Turtle and Mudminnow. The extensive floodplain forests also host wild boars, and various birds can be observed along the Donauradweg Gravel Section.
Yes, there are several hiking opportunities. For example, you can explore the 'Orther circular hiking trail – Donau-Auen National Park' or the 'Old Aulehrpfad/Old Riverbank Path - Donau-Auen National Park'. You can find more details and routes in the Hiking around Orth an der Donau guide.
The Donauradweg Gravel Section, Nationalpark Donau-Auen is a popular cycle path that turns off the dam into the national park, offering views of the meadow landscape and birdwatching opportunities. This area is part of the broader Danube Cycle Path network.
The natural monuments are beautiful year-round, but spring and summer offer lush greenery and more active wildlife. Warmer months are ideal for spotting European Pond Turtles sunning themselves along the Faden Creek. Autumn brings the blooming of the Autumn Crocus in the meadows, though it's important to note this plant is highly poisonous.
Yes, the Orther Islands are known for their natural swimming areas. The Danube's current deposits colorful pebbles and fine river sand, creating inviting spots for wild swimming.
While primarily natural, the town of Orth an der Donau itself, located within the Donau-Auen National Park, has historical significance. It features Orth Castle, which now serves as the seat and visitor center of the National Park, and a former fortified church. The Schlossinsel also combines the historic Schloss Orth with natural attractions.
The Donau-Auen National Park is significant because it preserves one of the last large, intact floodplain landscapes in Central Europe. Its dynamic interplay with the Danube's water levels constantly reshapes the environment, creating diverse habitats for a large number of rare and endangered animals and plants. It's a prime example of a free-flowing river ecosystem.
The floodplain forests around Orth an der Donau are rich in biodiversity, featuring extensive hardwood and softwood riparian trees. You'll find white willows, white poplars, acorn, ash, and black walnuts. These forests are also notable for mistletoe and lianas, which form thick curtains of vegetation, giving a primeval forest feel.
Yes, there are easy walking options. For instance, the 'Marian Column, Orth an der Donau – Orth Castle loop' is an easy route. You can find more gentle paths in the Easy hikes around Orth an der Donau guide.


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