Natural monuments around Tenneville are situated in the rural Belgian Ardennes, an area characterized by its extensive forests, river valleys, and significant geological formations. The region features a diverse natural landscape, including rock formations, peat bogs, and natural reserves. These sites offer opportunities to observe unique ecosystems and scenic views. Over half of the Tenneville area is covered by the Forest of Saint-Hubert, contributing to its natural appeal.
Last updated: May 17, 2026
Highlight • Natural Monument
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Highlight • Lake
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Highlight • Historical Site
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Highlight • Viewpoint
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Highlight • Viewpoint
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Built in 1958 to supply the region with drinking water and for the production of hydroelectricity. You can cross the dam and there is a water purification station and a fish ladder.
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Very nice view of the Ourth
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It is a panoramic viewpoint which overlooks the Hérou Felsen and the Ourthe. It is named after François Rémy, French doctor, former director of UNICEF for the Middle East and North Africa. He was also a hiker and explorer passionate about the Ardennes region. He discovered this viewpoint in 1977 and was amazed by its beauty. He wrote in his diary: "I have never seen such a splendid view of the Ardennes. It is like a painting of nature, with the rocks, the river, the forest and the sky. It is a place of peace and harmony, where we feel the presence of God". What do you think ? Do you agree ?
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The highlight is rather on an offshoot of Le Hérou called François Rémy. Le Hérou is another 5 minutes further.
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Viewpoint over the Ourthe from the Hérou ridge.
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The Nisramont dam complex was built in 1958. The intention was actually to create a much larger lake with a dam at the Celtic site of Le Cheslé. Not coincidentally there, because as we will notice during the next stage on the Escapardenne Eislek Trail, the Ourthe is strongly incised here and it is therefore technically ideal to dam even further downstream from that deep incision. The storage capacity is expected to be up to 250 million m³. The current Nisramont dam was therefore built as a temporary project, but more than 50 years later it is still standing.
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Here is a small hut overlooking the Ourthes.
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Tenneville offers a diverse range of natural features. You can explore the dramatic Le Hérou Rock Formation with its steep cliffs overlooking the Ourthe river, or visit the unique ecosystem of the Rouge Poncé Peat Bog, Wallonia's second oldest state nature reserve, which features a duckboard path for easy access. The Fagne de la Basseille Natural Reserve also showcases typical Ardennes valley landscapes.
Yes, the Le Cheslé Celtic Fortified Settlement is a remarkable site. While primarily a historical monument, its location on a naturally fortified promontory overlooking the Ourthe river makes it a natural landmark as well. It features reconstructed double walls from a Celtic fortress that dates back to the 7th-5th centuries BC.
For breathtaking vistas, the View of the Confluence of the Two Ourthes is highly recommended, offering a perspective on where the western and eastern Ourthe rivers merge near the Barrage de Nisramont reservoir. Another excellent spot is the Hérou Rocks - François Rémy Viewpoint, providing stunning views of the Ourthe valley.
Absolutely. The Bois de la Fontaine, known locally as the 'ant trail' in Laneuville-au-Bois, is ideal for families. It features thematic panels about forest trades and aquatic animals, and is designed to be accessible. The View of the Confluence of the Two Ourthes is also noted as family-friendly.
The region offers diverse hiking. The Le Hérou Rock Formation provides challenging trails with steep sections and authentic landscapes. For a unique experience, the Rouge Poncé Peat Bog has a one-kilometer duckboard path through a rare ecosystem. The Fagne de la Basseille Natural Reserve also has a roughly 12 km route, the 'promenade de la Basseille', for exploring its valley landscapes.
Beyond hiking, Tenneville is excellent for cycling and mountain biking. You can find various routes, such as the 'Saint-Hubert – View of Mochamps Pond loop' for MTB or the 'La Roche-en-Ardenne – La Roche-en-Ardenne loop' for touring bikes. Explore more options on the MTB Trails around Tenneville, Cycling around Tenneville, and Road Cycling Routes around Tenneville guide pages.
Yes, Tenneville is renowned for 'forest bathing' (Shinrin Yoku), especially within the extensive Forests of Saint-Hubert, which cover over half of the area. The Tenneville Tourist Office organizes guided forest walks with forest therapists and has established Belgium's first signposted discovery trail for this practice, 'A pas de loup'.
The natural monuments around Tenneville offer beauty year-round. Spring brings lush greenery and blooming flora, while autumn transforms the extensive forests into a spectacle of vibrant colors, ideal for 'forest bathing' and scenic hikes. Summer is perfect for longer outdoor excursions, and even winter offers serene, quiet landscapes, especially for those interested in wildlife observation.
Yes, the Rouge Poncé Peat Bog is a significant natural reserve, preserving an astonishing landscape of downy birch forest on peaty soil, accessible via a duckboard path. Additionally, the Fagne de la Basseille Natural Reserve protects a deeply incised Ardennes valley, showcasing typical pre-afforestation landscapes along the Basseille stream.
Visitors frequently praise the authentic and beautiful landscapes, especially the views of the Ourthe river and its meanders from spots like Le Hérou Rock Formation and Western Ourthe Viewpoint. The sense of adventure on challenging trails and the tranquility found in the vast forests, particularly during 'forest bathing' experiences, are also highly valued.
Yes, guided tours are available for groups at the Rouge Poncé Peat Bog by appointment, offering deeper insights into its unique ecosystem. The Tenneville Tourist Office also organizes guided forest walks year-round with forest therapists for those interested in 'forest bathing' in the Forests of Saint-Hubert.
For additional details on Tenneville's natural attractions, including information on 'forest bathing' and local tourism, you can visit the official tourism websites. Check foretdesainthubert-tourisme.be or visitardenne.com for comprehensive resources.


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