Best natural monuments around Lotzwil, a municipality in the canton of Bern, Switzerland, offer diverse natural attractions. The region features a landscape shaped by glacial activity, including unique geological formations and significant water bodies. Visitors can explore areas with rich ecological diversity and historical importance. These natural sites provide opportunities for outdoor activities and appreciation of the local environment.
Last updated: May 14, 2026
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This boulder is called Grossi Flue. It weighs a whopping 3,500 tons and has a volume of 1,200 cubic meters. The boulder was brought here by the Rhone Glacier – this is evident from the hornblende gneiss. The enormous boulder was purchased by the Swiss Society of Natural Sciences in 1869 and placed under protection. Otherwise, it would likely have fallen victim to railway construction.
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All-round view of the Jura and Bernese Alps
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With a height of 818 m, the Oberbühlchnubel towers above the surrounding hills of the Wynigen Mountains. The vantage point with its Brätliplatz is a popular destination for hikers.
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view and summer economy. Beautiful trees!
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I did this hike on foot from Riedtwil through the Mutzgraben and Mutbach Falls. It's definitely worth the hike! 👍
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The Burgäschisee, sometimes also simply Aeschisee, lies on the canton border of the cantons of Bern and Solothurn, with around two thirds on the Solothurn canton area. The lake is located in the municipalities of Aeschi (SO) and Seeberg (BE) at an altitude of 465 meters above sea level. The lake is fed by the Füürstein Canal, while the Seebach flows out. The natural lake is almost 700m long and 500m wide and is surrounded by a forest and reeds. The lake is located in a nature reserve.
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The region around Lotzwil offers diverse natural features. You can explore the unique moor lake Lake Burgäschi, known for its impressive plant diversity, including water lilies in summer and ice formations in winter. Another significant feature is the Grossi Flue Erratic Boulder, a massive 3,500-ton rock deposited by the Rhone Glacier during the Ice Age. The Beaver-shaped wetland near Bern showcases the beaver's impact on the landscape, creating diverse habitats along the river.
Yes, Lake Burgäschi holds significant historical value. Its shores were inhabited by pile dwellers as far back as 6,000 years ago, and the archaeological sites around the lake were designated as UNESCO World Heritage Sites in 2011. Information boards along the shore provide insights into this rich past. Additionally, the Grossi Flue Erratic Boulder and other 'Foundlings from the Stone Age' are silent witnesses of the Ice Age, brought here by the Rhone Glacier over 10,000 years ago.
The best time to visit depends on your interests. For lush plant life and water activities like swimming and rowing, the warmer months are ideal, especially at Lake Burgäschi where water lilies adorn the surface. The Aare River is also popular for swimming and floating during summer. In winter, Lake Burgäschi offers a magical scene with ice formations, perfect for peaceful walks.
Absolutely! Lake Burgäschi is very family-friendly, offering a woodchip path for easy walks, designated swimming areas, boat rentals, and barbecue pits. The Grossi Flue Erratic Boulder and the 'Foundlings from the Stone Age' are also great for families, providing an impressive sight and opportunities for children to practice climbing on less steep sections like the Kilchlifluh.
The region offers a variety of outdoor activities. Near Lake Burgäschi, you can walk or cycle around the lake, swim, row, or enjoy a barbecue. The Aare River, a major natural landmark, is popular for swimming, floating, relaxing walks, and cycling along its banks. For more structured routes, you can find various running trails, gravel biking routes, and cycling tours around Lotzwil that explore the natural surroundings.
Yes, the area boasts excellent viewpoints. Oberbühlchnubel is a summit offering sweeping panoramic views that stretch from the Bernese Oberland to the Solothurn Jura. While the climb can be tough, the vistas are incredibly rewarding. The Grossi Flue Erratic Boulder also provides a unique perspective on the landscape.
When visiting Lake Burgäschi, please note that there is a leash requirement ('Leinenobligatorium') for dogs. This is to protect the sensitive nature reserve surrounding the lake. Always ensure your dog is under control and respect local regulations in other natural areas.
Yes, you'll find options for refreshments. Near Lake Burgäschi, there's the 'Gasthaus Seeblick am Burgäschisee' restaurant, and the lake also provides designated barbecue pits for picnics. Oberbühlchnubel has a barbecue area above the Zum Wilden Mann restaurant. The banks of the Aare River are also popular spots for picnics.
The Aare River, a glacial river, is a major natural landmark known for its clear, often turquoise waters and breathtaking scenery. It features sensitive floodplain landscapes and offers extensive recreational opportunities. It's a popular spot for swimming, floating, walking, and cycling, especially during warmer months, providing a serene environment for nature lovers.
Given the diverse activities and terrain, it's best to wear comfortable, layered clothing suitable for outdoor exploration. Sturdy walking shoes are recommended for trails and viewpoints like Oberbühlchnubel. If you plan on swimming or floating in the Aare River, bring appropriate swimwear and be aware that currents can be strong, so it's best for experienced swimmers.
Lake Burgäschisee is a cantonal nature reserve and a mire area of national importance. Its unique ecology includes the 'Chlepfibeerimoos,' the only raised bog in the Canton of Solothurn, contributing to its rich plant diversity. Information boards along the lake's shore provide details about its natural and historical significance. For more information, you can also visit the Solothurn Tourism website: kantonsolothurntourismus.ch/de/burgaeschisee/.


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