Best natural monuments around Rheindelta are concentrated in the Rheindelta Nature Reserve, a significant wetland biotope on the southeastern shore of Lake Constance. This area spans over 2,000 hectares and is recognized for its international ecological importance as a Ramsar site and part of the Natura 2000 network. The reserve features diverse habitats including alluvial forests, reed beds, and sandy beaches, supporting exceptional biodiversity. It serves as a crucial resting, breeding, and feeding ground for over 300 bird species.
Last updated: June 26, 2026
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The Rhine Delta of Lake Constance is the river delta on the southeastern shore of Lake Constance, formed by the Rhine in what was once a lake. It lies largely in the Austrian state of Vorarlberg, with smaller areas in the Swiss canton of St. Gallen. The two peninsulas in the lake are called Rheinspitz and Rohrspitz.
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Most of it was created by humans as part of the Rhine regulation, but nature and wildlife have taken over completely, so it was done well.
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Here you can take wonderful photos and with a good telephoto lens you can also take picturesque pictures of the opposite bank.
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breeding and resting area for migratory birds
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The Rhine Delta and Lake Constance are one of the most important winter resting areas for thousands of bird species. The favorable climatic conditions and the nutrient-rich shallow water areas allow many bird species to spend the winter and spring here. With a bit of luck you can observe rare species of birds and butterflies. The Rhine Delta is the oldest nature reserve in Vorarlberg; it was placed under protection in 1947. A few years ago it was even included in the list of European protected areas (Natura 2000). Source: https://www.vorarlberg.travel/aktivitaet/lagunen-rundweg-rhein-bodensee/
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The Rhine Delta and Lake Constance are one of the most important winter resting areas for thousands of bird species. The favorable climatic conditions and the nutrient-rich shallow water areas allow many bird species to spend the winter and spring here. With a little luck, you can observe rare bird and butterfly species. The Rhine Delta is the oldest nature reserve in Vorarlberg; it was placed under protection in 1947. A few years ago it was even added to the list of European protected areas (Natura 2000). Source: https://www.vorarlberg.travel/aktivitaet/lagunen-rundweg-rhein-bodensee/
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Tip (end of the dam) of the left Rhine dam, in the middle of Lake Bode. Great all-round visibility.
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A very nice hike at any time of the year. Great opportunity to see birds 🐦 which overwinter with us.
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The Rheindelta region is characterized by its extensive wetlands, alluvial forests, reed beds, and sandy beaches along the shore of Lake Constance. The Rhine Delta Nature Reserve is the largest wetland biotope on Lake Constance, offering diverse habitats. You can also find areas like the Rheindelta Beach at Lake Constance for relaxation by the water.
The Rheindelta is a haven for wildlife, especially birds. Over 300 bird species have been recorded, making it a prime spot for birdwatching. It's a crucial resting, breeding, and feeding ground for migratory and resident birds. The area also supports approximately 600 flowering plants and ferns, around 700 species of butterflies, and numerous amphibians and reptiles, including water frogs, European tree frogs, and wall lizards.
Yes, many natural monuments in the Rheindelta are family-friendly. The Rhine Delta Nature Reserve itself is suitable for families, offering easy paths for exploration. The Rheindelta Beach at Lake Constance provides a flat area for swimming and relaxation. Even the Covered wooden bridge over the Dornbirner Ache is a pleasant spot for pedestrians and cyclists, connecting to the delta area.
The Rheindelta offers excellent opportunities for cycling, hiking, and birdwatching. Well-maintained paths along the Rhine dam and polder dam are perfect for cycling, offering views of diverse birdlife. You can find various routes for different sports:
Yes, the Rheindelta offers several scenic viewpoints. The Boardwalk through the reeds to the viewing platform in the Rheindelta provides a great view of the bay of Fussach and is ideal for birdwatching. The End of the Left Rhine Embankment, Rheindelta offers a unique perspective where the Rhine meets Lake Constance, surrounded by water.
The Rheindelta is beautiful year-round, but spring and autumn are particularly rewarding for birdwatching due to migrations. These seasons also offer vibrant colors and ideal conditions for outdoor activities. The changing seasons bring different charms, with stunning natural beauty and picturesque landscapes consistently praised by visitors.
The Rheindelta Nature Reserve features well-maintained paths, particularly along the Rhine dam and polder dam, which are suitable for easy cycling and walking. The terrain is generally flat, making it accessible for various fitness levels. The boardwalk to the viewing platform is also an easy way to experience the reeds and lake.
The Rheindeltahaus (Rhine Delta House) serves as an information center for the Rheindelta Nature Reserve. It provides educational insights into the reserve's ecological significance and valuable biotopes. Visitors often praise it for its informative content and friendly staff, making it a valuable resource for understanding the area's importance for wildlife.
While the Rheindelta is a natural area, it's also a sensitive nature reserve. Generally, dogs are permitted on designated paths and must be kept on a leash to protect the wildlife, especially ground-nesting birds and other animals. Always check local signage for specific rules in different sections of the reserve.
Within the Rhine Delta Nature Reserve, the Rheinholz alluvial forest on the Rheinspitz peninsula is a cherished spot. It offers a unique experience as the forest opens up to reveal stunning views of Lake Constance. The Lagune is also a significant breeding site for various gulls and terns, and the Wetterwinkel bay attracts large rafts of diving ducks, sometimes exceeding 10,000 individuals, offering a spectacular sight.
Visitors consistently commend the Rheindelta for its stunning natural beauty, the peaceful escape it offers, and its rich biodiversity. The opportunities for birdwatching, cycling, and enjoying the picturesque landscapes, especially the views of Lake Constance and the Alps, are highly appreciated. The unique experience of the boardwalk through the reeds and the serene atmosphere at the Rhine's mouth into Lake Constance are also frequently mentioned.


Extend your search for the best caves by checking out these guides of the top ones around Rheindelta: