Natural monuments around Hohentannen, a municipality in the canton of Thurgau, Switzerland, are characterized by diverse natural features. The region's landscape was shaped by glacial activity, leading to unique formations such as raised bogs and hills offering panoramic views. These natural landmarks provide opportunities for exploration and appreciation of local ecology and geology. Hohentannen serves as a starting point for discovering these natural attractions.
Last updated: June 26, 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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Very beautiful moor, accessible via a well-maintained network of paths. Various information boards provide information on all sorts of topics (history, natural history, etc.).
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The natural monuments around Hohentannen showcase a diverse landscape shaped by glacial activity. You can explore unique formations such as the raised bog at Hudelmoos Nature Reserve, hills offering panoramic views like Nollen, and even geological phenomena such as the Landslide Road. The region features forests, wetlands, and river valleys.
Yes, the Last Ruin is a notable historical natural monument. It features an old ruined tower of a hilltop castle dating back to the 12th century, located along the Schönenberger Ruinenweg. While primarily a historical site, its integration into the natural landscape makes it a unique monument.
The Hudelmoos Nature Reserve is a significant raised bog and nature reserve near Hohentannen. It's special because it's a unique landscape formed by the Rhine Glacier, featuring moor birch forests, small streams, and ponds. It's recognized for its remarkable biodiversity, including rare plants like bog cranberries and sundew, and serves as a crucial habitat for amphibians. Visitors can walk on designated paths to experience the springy bog floor.
Yes, several natural monuments are suitable for families. The Hudelmoos Nature Reserve offers accessible paths through the moor, making it great for walks with children. The Nollen viewpoint is also considered family-friendly, providing impressive panoramic views that can be enjoyed by all ages.
For breathtaking panoramic views, the Nollen is highly recommended. This 735-meter high hill offers magnificent vistas of Lake Constance, the Thur Valley, the Hegau, the Säntis, and the Churfirsten. It's often referred to as 'the Rigi of Thurgau' due to its expansive outlook.
The area around Hohentannen offers a variety of outdoor activities. You can find numerous routes for gravel biking, mountain biking, and running. For example, there are many gravel biking routes, MTB trails, and running trails that allow you to explore the natural beauty of the region, often passing by these monuments or offering views of them.
There is a suitable and larger car park available at the Hudelmoos Nature Reserve Parking Area. This parking is free and conveniently located for accessing the reserve's paths and exploring the high moor.
The natural monuments around Hohentannen can be enjoyed throughout the year, but the best time often depends on your preferred activity. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant flora in spring and colorful foliage in autumn. Summer is ideal for longer days and exploring, while winter can offer unique snowy landscapes, especially at viewpoints like Nollen.
Yes, for those seeking a more challenging experience, the Landslide Road is noted as a challenging natural monument. This path has been affected by natural geological movements, making it an interesting, albeit sometimes difficult, route for pedestrians and cyclists. Always check local conditions before attempting challenging trails.
Visitors frequently appreciate the diverse natural beauty and the opportunities for outdoor recreation. The panoramic views from Nollen are a highlight, as is the unique experience of walking through the Hudelmoos Nature Reserve with its springy bog floor and rich biodiversity. The historical context of sites like the Last Ruin also adds to the appeal.
Yes, the Hudelmoos Nature Reserve provides insights into the formation and use of moors. The landscape was shaped by glaciers, leading to the development of bogs over thousands of years. There are paths and information points within the reserve that explain its history, including past peat extraction and ongoing regeneration efforts, highlighting its ecological importance.


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