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St. Margrethen

Top 20 Natural Monuments around St. Margrethen

Best natural monuments around St. Margrethen are situated in a region characterized by the Rhine Valley and its proximity to Lake Constance. The area features diverse landscapes, including former river courses, elevated plateaus, and extensive deltas. This border region between Switzerland and Austria offers a variety of natural attractions for exploration.

Best natural monuments around St. Margrethen

  • The most popular natural monuments is Karren Viewing Platform, a viewpoint that offers panoramic views of the Rhine Valley and Lake Constance.…

Last updated: June 26, 2026

Covered wooden bridge over the Dornbirner Ache

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Architecturally beautiful wooden construction over the Dornbirner Ache as a connection to the Rhine delta for pedestrians and cyclists.

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Karren Viewing Platform

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Anyone who's ever on the cart must necessarily walk the root path to the top of the Staufens. The rather challenging path runs through a beautiful mountain forest. As the …

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Rhine Delta Nature Reserve

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The delta of the Alpine Rhine forms a common delta area with the eastern deltas of Dornbirner Ach and Bregenzer Ach. This delta area extends over the entire valley area …

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Nice flat beach for swimming at the lake.

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Rheindelta Nature Reserve — Lagoon

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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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Popular around St. Margrethen

Alpine Panorama Route — 8 stages through the foothills of the Alps

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Road Cycling Routes around St. Margrethen

Cycling around St. Margrethen

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Mountain Hikes around St. Margrethen

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Alpine Panorama Route — 8 stages through the foothills of the Alps

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September 2, 2025, Rheindelta Beach on Lake Constance

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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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 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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A very nice hike at any time of the year. Great opportunity to see birds 🐦 which overwinter with us.

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Wonderful view. At the top you can also strengthen yourself in the restaurant. The descent is indicated on signs with 1 hour and 15 minutes. It took us a little less than an hour. Going up takes a little longer. According to Komoot, it was 510 meters in altitude and some sections are very steep. The cable car runs every 15 minutes from 9 a.m. to 11 p.m. (Sundays only until 9 p.m.).

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Beautiful recreation area. Great for swimming and barbecuing in summer

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Very nice dam, good alternative to the dike hike

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Frequently Asked Questions

What are some of the most popular natural monuments around St. Margrethen?

Visitors frequently enjoy the Karren Viewing Platform, which offers panoramic views of the Rhine Valley and Lake Constance. Another popular spot is the Rhine Delta Nature Reserve, known for its diverse landscapes and opportunities for cycling. The Rheindelta Beach at Lake Constance is also a favorite for relaxation and swimming.

Are there family-friendly natural monuments to visit near St. Margrethen?

Yes, several natural monuments are suitable for families. The Karren Viewing Platform is accessible via a mountain railway, and its root path offers an engaging hike for children. The Rheindelta Beach at Lake Constance provides a flat area for swimming and relaxation, perfect for a family day out. The Covered wooden bridge over the Dornbirner Ache is also a pleasant spot for a family stroll or bike ride, connecting to the Rhine delta.

What kind of hiking opportunities are available near these natural monuments?

The region offers diverse hiking trails. For instance, near the Karren Viewing Platform, you can explore the root path through a mountain forest. The 'Alter Rhein' (Old Rhine) area provides tranquil walks along the former riverbed. For more structured routes, you can find various hiking trails around St. Margrethen, including moderate options like the 'Café Schallert – Eselschwanz Nature Reserve loop' or the 'View of the Rhine Valley loop'. You can explore more hiking routes on the Hiking around St. Margrethen guide.

Where can I find the best panoramic views in the St. Margrethen area?

For breathtaking panoramic views of the Rhine Valley and Lake Constance, visit the Karren Viewing Platform. Another excellent spot is the Pizalun viewing platform within St. Margrethenberg, which offers extensive vistas, especially on clear days.

Are there cycling routes that pass through or near the natural monuments?

Yes, the region is very cyclist-friendly. The Rhine Delta Nature Reserve and the areas around the 'Alter Rhein' are popular for cycling, with paths like the Lake Constance cycle path traversing scenic areas. The Covered wooden bridge over the Dornbirner Ache serves as a connection for cyclists to the Rhine delta. For gravel biking, routes like the 'Rhine Delta Nature Reserve – Polderdamm Path in the Rhine Delta loop' are available. Find more cycling options on the Gravel biking around St. Margrethen guide.

What is the 'Alter Rhein' and what can I do there?

The 'Alter Rhein' refers to the former course of the Rhine River. This area is appreciated for its natural beauty and offers opportunities for tranquil walks and cycling along the water. It's a peaceful spot to observe local flora and fauna, with trails on both the Austrian and Swiss sides.

What is the best time of year to visit the natural monuments around St. Margrethen?

The natural monuments are enjoyable throughout the year. Spring and autumn offer pleasant temperatures for hiking and cycling, with beautiful seasonal colors. Summer is ideal for activities around Lake Constance, such as visiting the Rheindelta Beach. Even in winter, areas like St. Margrethenberg offer sunny walks and panoramic views above the fog-covered valleys.

Can I find any specific unique natural features in the area?

Beyond the broader landscapes, the 'Natural Monument Silver Willow' (Eselschwanz) is referenced along a hiking trail following the lower 'Old Rhine'. This specific protected element likely holds ecological or aesthetic significance. The End of the Left Rhine Embankment, Rheindelta is also a unique spot where the Rhine meets Lake Constance, offering a distinct natural experience.

Are there any natural monuments suitable for mountain biking?

While specific natural monuments might have restrictions, the broader region around St. Margrethen offers mountain biking trails. For example, the 'View of the Rhine Valley – Root Trail Singletrack loop' is a moderate MTB route. You can find more mountain biking options on the MTB Trails around St. Margrethen guide.

What makes the Rhine Delta Nature Reserve special?

The Rhine Delta Nature Reserve is a significant natural monument where the Alpine Rhine forms a common delta area with other rivers before flowing into Lake Constance. It's a vital ecological zone, offering beautiful views from the Polderdamm and excellent bike paths through its diverse landscapes.

What kind of natural features can I expect to see around St. Margrethen?

The region is characterized by the Rhine Valley and its proximity to Lake Constance. You can expect to see former river courses like the 'Alter Rhein', elevated plateaus such as St. Margrethenberg, and extensive deltas, including the Rhine Delta Nature Reserve. There are also numerous viewpoints, lake beaches like Rheindelta Beach, and diverse landscapes ranging from vineyards to raised bogs.

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

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