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Belgium
Wallonia
Marche-En-Famenne

Tenneville

Top 20 Natural Monuments around Tenneville

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.

Best natural monuments around Tenneville

  • The most popular natural monument is View…

Last updated: May 17, 2026

Le Hérou Rock Formation

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Le Hérou, a splendid and mysterious site, features particularly steep rocks and is home to some small nuggets in terms of hiking trails.

The view from Le Hérou or from …

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Nisramont Dam

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It is an awesome place! Both by the dam itself and its engineering, but also by the natural beauty of the site. A real breath of air and nature.

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Le Cheslé Celtic Fortified Settlement

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There was once a fortified Celtic settlement here, surrounded by a double wall made of earth, slate and wood, stretching over a length of around 1,750 metres. These are dry …

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At this point - at the Barrage de Nisramont reservoir - the western and eastern Ourthe flow together. The Ourthe Occidentale (so-called western Urt) is about 49 kilometers long and …

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From the rock you have a great view of the Ourthe. Sit on the stone warmed by the sun and let the beautiful nature work its magic on you.

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Peter 🥾🐾🌲
March 23, 2026, Nisramont Dam and Reservoir

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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View of barrage...

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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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Frequently Asked Questions

What unique natural features can I explore around Tenneville?

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.

Are there any historical natural monuments in the Tenneville area?

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.

What are the best viewpoints to experience the natural beauty of Tenneville?

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.

Are there family-friendly natural monuments or trails suitable for children in Tenneville?

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.

What kind of hiking experiences can I expect near Tenneville's natural monuments?

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.

What other outdoor activities are available near the natural monuments in Tenneville?

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.

Is 'forest bathing' an activity I can do in Tenneville?

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'.

What is the best time of year to visit Tenneville's natural monuments?

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.

Are there any natural reserves or unique ecosystems to visit?

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.

What do visitors particularly enjoy about the natural monuments in Tenneville?

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.

Are there options for guided tours at any of the natural monuments?

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.

Where can I find more information about Tenneville's natural attractions and tourist services?

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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