Best lakes around Rheindelta, located predominantly in Austria's Vorarlberg province, form a significant natural area where the Alpine Rhine flows into Lake Constance. This region is characterized by its extensive wetland biotopes, river deltas, and the vast expanse of Lake Constance itself. It is recognized for its ecological value, offering diverse aquatic features and habitats. The area provides opportunities for nature observation, walking, and cycling.
Last updated: June 28, 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 is a significant natural area where the Alpine Rhine flows into Lake Constance, forming the largest wetland biotope reserve on Lake Constance. It's recognized internationally for its ecological value, particularly for bird protection, and offers a unique blend of vast lake experiences and diverse wetland habitats. You can explore extensive reed beds, wet meadows, and alluvial forests.
The Rheindelta features a rich variety of natural landscapes. You'll find the vast expanse of Lake Constance, extensive wetland biotopes, river deltas, and protected areas like the Rheindelta Nature Reserve — Lagoon. These areas include mudflats, grasslands, reeds, and alluvial forests, providing habitats for numerous species, especially birds.
The Rheindelta is considered one of Austria's best birding sites. Key spots include the Rheindelta Nature Reserve — Lagoon, which is an important European breeding and resting area for over 330 bird species. The Harder Binnenbecken is notable in winter for gulls and waterfowl, and the Wetterwinkel bay attracts vast numbers of ducks. The boardwalk through the reeds to the viewing platform also offers excellent birdwatching opportunities.
Yes, Lake Constance offers excellent opportunities for swimming. Its water quality is high, and temperatures can reach up to 26 degrees Celsius in summer. The Rheindelta Beach at Lake Constance provides a flat shore ideal for swimming and relaxation. Additionally, areas like Rohrspitz offer natural, unspoiled pebble beaches.
The Rheindelta offers several family-friendly activities. Many areas, including the Rheindelta Beach at Lake Constance and the Rheindelta Nature Reserve — Lagoon, are marked as family-friendly. Families can enjoy easy walks, cycling along the extensive paths, swimming at the beaches, and observing wildlife. The Rheindeltahaus also serves as an information center.
For nature observation, especially birdwatching, the Rheindelta is excellent year-round, attracting large numbers of migrating and wintering waterfowl. For swimming and water sports, the summer months (June to August) are ideal when Lake Constance reaches pleasant bathing temperatures of up to 26 degrees Celsius.
Yes, the Rheindelta region offers numerous hiking trails, particularly within the nature reserve. Paths crisscross the delta, allowing visitors to explore its diverse landscapes and observe wildlife. For more detailed routes, you can explore options like the 'Rheindelta Free Parking – Rheindelta Information Board loop' or 'Rohrspitz Nature Reserve – Rohrspitz Marina loop' on the Hiking around Rheindelta guide.
Cycling is a popular activity in the Rheindelta. Extensive cycling paths run along the shores of Lake Constance and through the nature reserve, offering scenic routes for all skill levels. The bike paths through the Rhine Delta Nature Reserve are particularly enjoyable.
For natural beaches, the Rheindelta Beach at Lake Constance offers a beautiful and varied shore for swimming and relaxation. The peninsulas of Rohrspitz and Rheinspitz also provide natural, unspoiled pebble beaches on Lake Constance, which tend to be less crowded due to limited direct vehicle access.
Absolutely. The End of the Left Rhine Embankment, Rheindelta offers a unique viewpoint where the Rhine meets Lake Constance, giving you a feeling of being surrounded by water. Another excellent spot is the Boardwalk through the reeds to the viewing platform in the Rheindelta, which provides a great view of the bay of Fussach and is ideal for birdwatching.
While the Rheindelta is a protected nature reserve, specific rules for dogs can vary by area. Generally, dogs are often allowed on designated paths but must be kept on a leash to protect wildlife. It's always best to check local signage or the Rheindeltahaus for the most current regulations regarding pets in specific zones.
The Rheindelta region is generally accessible by public transport, particularly from nearby towns like Bregenz, Hard, and Lustenau. Bus services often connect these towns to various entry points of the nature reserve. For specific routes and schedules, it's advisable to consult local public transport providers.
Visitors frequently praise the Rheindelta for its serene natural beauty and abundant wildlife. Many enjoy the peaceful cycling and hiking paths, the opportunity for birdwatching, and the unique experience of seeing the Rhine meet Lake Constance. The flat, accessible beaches for swimming and relaxation are also highly appreciated, as are the beautiful views from various viewpoints.


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