Best lakes around Grenzach-Wyhlen are primarily characterized by the unique Altrhein Nature Reserve, a significant biotope formed by the Rhine River's damming. This area features a lake-like environment known for its rich biodiversity, including various bird species and a beaver reintroduction project. Visitors can explore the area on foot via nature trails, which also offer views of historical sites like Roman watchtower foundations. The region provides a blend of natural observation, walking opportunities, and historical interest within a riverine landscape.
…Last updated: May 15, 2026
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Hiking around Grenzach-Wyhlen
The Obere Au Observatory, nestled in the heart of the Petite Camargue Alsacienne, is a true haven for nature lovers and birdwatchers. Located in a protected area, this observatory offers an exceptional view of the many birds that inhabit this reserve. Visitors can observe storks, herons, and other iconic species in their natural habitat, while enjoying the peace and serenity of the surrounding landscape. An ideal destination for a total immersion in Alsatian biodiversity.
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The access to the observation tower is somewhat hidden. Don't drive too fast at this height and always look carefully to your right.
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Stadtpark West, Rheinfelden With stately trees, a spacious promenade and direct access to the old town for walks, Stadtpark West is a popular retreat. In addition to a marble run, an outdoor fitness course and the Buvette Rhybar, the newly designed pond has also been part of the city park since 2023. Green oasis. With groups of trees, individual trees and some water elements such as fountains and the pond, the park's characteristics correspond to the English landscape garden style. Show pond with native mussels, crabs, geese and fish. The pond was inaugurated in May 2023 by a Rheinfelden kindergarten class. The water birds as well as the fish can be observed by park visitors from two platforms protected by railings. The pond is designed as a show pond based on the concept of the entire city park. Text / Source: Tourism Rheinfelden, City Office, Rheinfelden https://www.tourismus-rheinfelden.ch/de/erleben/sehenswuerdigkeiten/stadtpark-west
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Very beautiful area and nature reserve.
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The park in the green is a popular local recreation area on the edge of the city. Paved paths invite you to stroll, skate and cycle, but sports and playgrounds and beautiful green spaces also beckon. The park, formerly known as Grün 80, once served as a summer residence for the Basel philanthropist Christoph Merian. Today, the garden is a popular excursion destination, featuring a pond, a mini-golf course, a cafeteria, a restaurant, a playground, and a small shop. https://www.basel.com/de/attraktionen/park-im-gruenen-dbfe1e396b
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The Ermitage is a large and lovingly designed green area from 1785, with three idyllic ponds, several romantic grottos, historical buildings, pretty walking paths between the shore and the edge of the forest and, on top of it all, the castle ruins of Bierseck Castle, as the crowning glory of the whole. It is a wonderful place for physical and mental relaxation, but those seeking peace and quiet should visit outside of the holidays or weekends. It is a real visitor magnet. Warning! The grottos can only be reached on foot and via steep stairs. The rest of the garden is mostly wheelchair accessible and suitable for pushchairs. There are no parking spaces directly at the Ermitage! Free entry!
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The stately trees and the spacious promenade are a real feast for the eyes in all seasons. The location directly on the Rhine and the spectacular view of the old town facades make the park a popular photo spot.
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The primary natural feature is the Altrhein Nature Reserve, a unique lake-like area formed by the Rhine River. It's a significant biotope known for its rich biodiversity, including various rare bird species, especially during migration. You can also find a project to reintroduce beavers. Other areas like Ermitage Arlesheim Landscape Garden offer natural settings with small lakes and wild places.
Yes, the Altrhein Nature Reserve is an excellent spot for birdwatching. It's a significant habitat for various rare bird species like reed warblers, sandpipers, kingfishers, and red-backed shrikes, particularly during migration seasons and in winter. Information posters in the area help visitors identify the species present.
Absolutely. Near the German ferry station at the Altrhein, you can explore the foundations of a Roman watchtower and bridgehead. The historic power station, built between 1908 and 1912, is also worth a visit. Additionally, the Ermitage Arlesheim Landscape Garden includes the Birseck castle complex.
Yes, several spots are great for families. Green Park features ponds, a large playground, and mini golf. City Park West, Rheinfelden has a newly designed pond, a marble run, and a playground. Park im Grünen (Grün 80) offers a children's park with miniature golf, playgrounds, and a carousel, alongside nature areas with ponds and barbecue spots.
The Altrhein Nature Reserve is not typically used for recreational swimming due to its nature reserve status. For swimming, the Grenzach outdoor pool on the Rhine serves this purpose.
Yes, the Altrhein Nature Reserve offers footpaths along the bank, with a round trip around the reserve taking approximately two hours. An information trail also connects the two power plants to the Kaiseraugst-Herten ferry. Ermitage Arlesheim Landscape Garden and City Park West, Rheinfelden also provide pleasant promenades and walking paths.
The Altrhein Nature Reserve is particularly interesting for birdwatching during migration seasons and in winter due to the diverse bird species. Generally, spring and summer are ideal for enjoying the walking trails and park amenities at places like Ermitage Arlesheim Landscape Garden, Green Park, and City Park West, Rheinfelden.
Beyond walking and nature observation, the region offers various outdoor activities. You can find numerous running trails, road cycling routes, and gravel biking routes that pass through or near these lake-like environments. These routes cater to different difficulty levels, from easy to difficult.
Many of the park areas, such as the spacious promenade at City Park West, Rheinfelden, are designed to be accessible. The paths around the Altrhein Nature Reserve are generally footpaths, some of which may be suitable, but it's best to check local conditions for specific accessibility needs.
Visitors appreciate the tranquility and opportunities for nature observation, especially at the Altrhein Nature Reserve. The blend of natural beauty with historical elements, like the Roman watchtower foundations, is also a highlight. Family-friendly amenities such as playgrounds and mini golf in parks like Green Park and City Park West, Rheinfelden are also highly valued.
Many of the natural and park areas, such as parts of Park im Grünen (Grün 80), are dog-friendly, especially during less crowded times. It's always recommended to keep dogs on a leash, particularly in nature reserves like the Altrhein, to protect wildlife.
Yes, some parks offer amenities. For example, Park im Grünen (Grün 80) includes cafes and restaurants. City Park West, Rheinfelden has the Buvette Rhybar for drinks and simple snacks. The surrounding towns also provide various dining options within easy reach.


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