Best natural monuments around Erlen are found in the municipality of Erlen, located in the Thurgau canton of Switzerland. This region is characterized by rolling hills, extensive fruit orchards, and proximity to Lake Constance. The landscape provides a serene environment for outdoor activities such as hiking and cycling. Natural features include viewpoints, lakes, and protected nature reserves.
Last updated: September 30, 2026
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Is actually only worth it if you are there anyway. The best thing is the view from the opposite slope.
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A very varied and interesting hike with good signage and paths
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Great tour, good basic construction and surefootedness required, some sections of the route are more difficult to walk on
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Driving is prohibited in Hudelmoos. So park your bike and set off on foot!
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You can leave your bike here (if necessary even chain it to the no-biking sign) and then explore the Hudelmoos on foot. You should plan an hour for this.
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The region around Erlen offers diverse natural features. You can explore tranquil lakes like Bommer Weiher Water Lilies, which is also a nature reserve, or discover unique moor landscapes at the Hudelmoos Nature Reserve. Additionally, there are several viewpoints offering panoramic vistas of the surrounding area.
Yes, the area boasts excellent viewpoints. The most prominent is Nollen, a 735-meter-high hill providing magnificent panoramic views of Lake Constance, the Thur Valley, the Hegau, the Säntis, and the Churfirsten. Another spot with views is the Last Ruin, which also offers historical context.
Absolutely. The Bommer Weiher Water Lilies is an exceptionally quiet nature reserve, ideal for observing bird life and water lilies from a viewing platform. The Hudelmoos Nature Reserve, with its moors and ponds, is another biodiversity hotspot where you can experience diverse flora and fauna.
The natural monuments around Erlen are well-integrated into the region's extensive network of hiking trails. You can find a variety of routes, from easy walks through nature reserves to more challenging treks. For a comprehensive overview of hiking options, including routes like the 'Stream bridge – Roote-Bach Bridge loop from Kradolf' or 'Confluence of the Sitter and Thur – Thurfeld Weir and Floodplains loop from Kradolf', explore the Hiking around Erlen guide.
Yes, the Thurgau canton, often called 'Cider India' due to its orchards, is perfect for cycling. You can access the popular Lake Constance Cycle Route nearby or explore local paths. For specific routes, check out the MTB Trails around Erlen guide or the Gravel biking around Erlen guide, which feature routes like 'Along the Thur River – Huserfelsen Pass loop from Erlen' or 'Newly Paved Cycle Path – Waldschenke Romanshorn loop from Erlen'.
Many natural monuments in the Erlen area are family-friendly. For instance, both Bommer Weiher Water Lilies and Nollen are popular family destinations. The Hudelmoos Nature Reserve also offers paths suitable for simple walks, making it enjoyable for all ages.
The Thurgau region, including Erlen, is beautiful throughout the warmer months. Spring brings blooming fruit orchards, while summer offers lush green landscapes and pleasant temperatures for outdoor activities. Autumn provides stunning foliage. While some areas are accessible year-round, the best time for hiking and cycling to fully appreciate the natural beauty is typically from spring through autumn.
Yes, the Last Ruin is a notable historical site that also offers natural views. It features the relatively well-preserved tower ruins of a hilltop castle dating back to the 12th century, located along the Schönenberger Ruinenweg.
For the Hudelmoos Nature Reserve, there is a very suitable and larger car park available at the Hudelmoos Nature Reserve Parking Area, which is free of charge. Parking availability for other specific natural monuments may vary, so it's advisable to check local signage.
Visitors frequently praise the tranquil and serene atmosphere of the nature reserves, ideal for stress relief and quiet contemplation. The panoramic views from spots like Nollen are highly appreciated, especially on clear days. The well-maintained paths within areas like Hudelmoos, offering insights into moor formation and biodiversity, also receive positive feedback.
Yes, for those seeking more challenging adventures, the region offers longer and more difficult routes. For example, the MTB Trails around Erlen guide includes routes like 'Stählibuck Tower – View of the River Thur loop from Erlen' which is classified as difficult with a distance of over 67 km. Similarly, the Hiking around Erlen guide features difficult routes such as 'Horbacher Pond – Waldschenke Bischofszell loop from Zihlschlacht-Sitterdorf'.
The Hudelmoos Nature Reserve is a prime example of a unique natural formation, showcasing moors, moor birch forests, and ponds. This landscape was shaped by glaciers during the last Ice Age, leading to the development of bogs over thousands of years. It offers a fascinating glimpse into geological and ecological processes.


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