Natural monuments around Lake Bienne are found in the Jura region of Switzerland, offering a diverse landscape of ecological importance. The area features significant natural attractions, including unique peninsulas, dramatic gorges, and vital wetland ecosystems. This region is characterized by its blend of natural beauty and cultural heritage, shaped by centuries of interaction between human activity and the environment.
Last updated: July 10, 2026
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In the old BKW building there is a small but excellent restaurant.
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The facilities also have a paid parking lot for cars.
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Cycling around and along here, very interesting and an impressive building
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The leisure facilities on the lake are a very popular meeting place for young and old in summer. The facilities, which are embedded in nature conservation, are the gateway to the lake. In addition to the sunbathing lawn and the access to the lake, the facilities are also known for their boat harbor, the bistro and the beach volleyball court. Source https://www.moerigen.ch/freizeit-tourismus/freizeitanlagen-am-see
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Confluence Hagneck Canal in Lake Biel - beautiful renatured landscape
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Very pretty nature reserve, you can see the osprey there
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Access to Petersinsel via an almost straight 4km long arm, a bit monotonous, but you have the goal in mind :-)
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The highlight does not match the corresponding section?!?!?
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Visitors frequently enjoy the Hagneck Canal Mouth, known for its unique Aare Delta, and the tranquil St. Petersinsel Nature Reserve. Another favorite is the Mörigenbucht Nature Reserve, offering a serene environment with wet meadows and alluvial forests.
The natural monuments around Lake Bienne offer diverse features. You can find valuable reed banks, marshes, and blanket mires at St. Peter's Island, dramatic steep rock faces and waterfalls in the Twann Gorge, and a mosaic of gravel banks, shallow waters, and floodplain forests at the Hagneck Canal Mouth. The Left Shore of Lake Biel also features a distinctive vineyard landscape.
Yes, several areas are crucial for wildlife. The Hagneck Canal Mouth is a nationally important floodplain and a critical migratory and waterbird sanctuary. St. Petersinsel Nature Reserve provides crucial habitats for numerous fish and bird species, including some on the Red List. The Mörigenbucht Nature Reserve and the Hecht Ponds are also important for local flora and fauna, including endangered amphibians.
Absolutely. The Twann Gorge is a classic hiking destination with paths winding through its cascades and waterfalls. You can also explore looping paths around St. Peter's Island. For more hiking options, consider routes like the 'Witch's Trail' or 'Twannbach Gorge Waterfalls' which are part of the broader hiking guide for Lake Bienne.
The region offers various cycling routes. You can find gravel biking tours, such as 'Le Landeron Old Town – St. Peter's Island loop from Le Landeron', and road cycling routes like 'Lake View in Bern – Lake Biel loop from Twann'. These are detailed in the Gravel biking around Lake Bienne and Road Cycling Routes around Lake Bienne guides.
Yes, many natural monuments are suitable for families. St. Petersinsel Nature Reserve offers easy paths, and the Mörigenbucht Nature Reserve has leisure facilities embedded in nature conservation, popular with families. The Hecht Ponds also provide an easy stop with information boards for nature observation.
St. Peter's Island is a picturesque peninsula known for its valuable reed banks, diverse marshes, and blanket mires, providing crucial habitats for numerous species. Beyond its ecological significance, it offers tranquil paths for hiking and a historical monastery, once home to Jean-Jacques Rousseau, now a hotel and restaurant.
The Twann Gorge offers a wild and romantic natural spectacle with steep rock faces, numerous cascades, and waterfalls carved by the Twannbach stream. Shaded paths wind through the gorge, providing a refreshing hiking experience, especially in warmer months. It's a great place to observe geological formations and the power of water.
The Hagneck Canal Mouth, where the Aare River enters Lake Bienne, is a nationally important natural area known as the Aare Delta Hagneck. It's recognized as a floodplain of national importance and a critical migratory and waterbird sanctuary, featuring a mosaic of habitats vital for diverse wildlife.
The northern shore of Lake Bienne, often referred to as the 'Left Shore of Lake Biel', is a landscape of national importance. It showcases a unique blend of natural beauty and cultural heritage, where centuries of viticulture have shaped the environment. Steep, sun-drenched hillsides host over 50 different grape varieties, creating picturesque villages and offering scenic trails like the Vineyard Way.
The natural monuments around Lake Bienne can be enjoyed throughout the year. Spring brings enhanced waterfalls in the Twann Gorge from melting snow, while warmer months are ideal for shaded paths. Autumn offers beautiful colors in the vineyard landscapes and opportunities for birdwatching during migration at the Hagneck Canal Mouth.
Yes, St. Peter's Island gained European significance after philosopher Jean-Jacques Rousseau resided there in 1765, and its historical monastery is now a hotel. The vineyard landscape on the Left Shore of Lake Biel also reflects centuries of cultural heritage through its viticulture traditions and charming wine-growing villages.


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