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Thonne-La-Long

Top 9 Natural Monuments around Thonne-La-Long

Best natural monuments around Thonne-La-Long are found in a region characterized by its natural features. The commune is notable as the source of the Thonne River, which flows for over 11 km before joining the Chiers River. The nearby Gaume region in Wallonia, Belgium, offers a variety of natural attractions, including impressive rock formations, ancient caves, and scenic viewpoints. This area provides diverse landscapes for outdoor exploration.

Best natural monuments around Thonne-La-Long

  • The most popular natural monuments is Gros Cron

Last updated: July 6, 2026

Fairies' Cave

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They are natural sandstone caves and also, according to legend, the home of fairies.

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Mont Saint-Walfroy

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Mont Saint-Walfroy was once a place of pagan worship, before being chosen to build the hermitage of Saint-Walfroy, the apostle of the Ardennes. You will appreciate the panoramic views of …

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Rabais Valley Lake

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This valley is the starting point for beautiful walks or for lovely road bike and mountain bike tours.

Don't miss the trail of dreams, the fairy hole, or the Bonlieu …

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Gros Cron

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An impressive rock formation in the tranquil landscape of Wallonia, Belgium. This limestone ridge offers steep cliffs and magnificent viewpoints, with panoramic views over the green forests and rolling hills of the Gaume region.

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Is it a sculpture? A waterfall ? Up to you. A nice point of interest on this path of dreams.

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Tips from the Community

Mika 🚴
April 8, 2025, Trou des Fées

It is between Etalle and Virton, very precisely in Croix-Rouge, that you will find the place called "Trou des Fées". Well known to the inhabitants of the region, this unique site is at the center of many legends relating to the history of D’jean dMady but also and especially to that of the fairies of Gaume.

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Marc Betty
March 11, 2025, Trou des Fées

Unmissable for the Red Cross: Dive into an enchanted kingdom where legends and mysteries weave the fabric of the landscape… This mountain of sand, like a sleeping giant, reveals its heart of stone sculpted by the whims of time. At the dawn of the Jurassic, erosion gently carved out winding galleries, while the main gallery, 15 meters long, arouses a curious fascination. Was it an offering from the ancients, shaped by human hands, or simply the patient work of nature? The flints found nearby whisper echoes of prehistory, silent witnesses of a bygone era. The Trou des Fées, guardian of forgotten secrets, awaits you.

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Lots of great walks or mountain bike rides to do, very beautiful site and close to Ravel too. Easy parking near the 4 paths

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Dave
January 25, 2025, Rabais Valley Lake

Very pleasant and quiet beautiful area for cycling and walking

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An impressive rock formation in the tranquil landscape of Wallonia, Belgium. This limestone ridge offers steep cliffs and magnificent viewpoints, with panoramic views over the green forests and rolling hills of the Gaume region.

Translated by Google

3

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Is it a sculpture? A waterfall ? Up to you. A nice point of interest on this path of dreams.

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Is it a sculpture? Is it a waterfall? It's up to you. A nice point of interest on this path of dreams.

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Marcel Pira
September 24, 2023, Mont Saint-Walfroy

Magnificent view on a clear day. A few minutes of rest is good after this climb++

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Frequently Asked Questions

What unique natural features can I explore around Thonne-La-Long?

The region offers a variety of natural features, including impressive rock formations like Gros Cron, ancient sandstone caves such as Fairies' Cave, and scenic viewpoints like Mont Saint-Walfroy. You can also discover the tranquil Rabais Valley Lake and the charming Small Waterfall on the Chemin des Songes.

Are there any historical or cultural sites associated with these natural monuments?

Yes, Mont Saint-Walfroy is a significant historical and religious site. It was once a place of pagan worship before becoming a hermitage for Saint Walfroy, the apostle of the Ardennes. The Fairies' Cave is also steeped in local legends, and flint artifacts found nearby suggest prehistoric human occupation.

Which natural monuments are suitable for families with children?

Several natural monuments are family-friendly. The Fairies' Cave features a 1.5 km 'fairy path' with educational challenges and natural sculptures, perfect for engaging children. The Rabais Valley Lake is also a great spot for family walks, and the Small Waterfall on the Chemin des Songes offers a unique point of interest.

What outdoor activities can I do near the natural monuments?

The area around Thonne-La-Long, particularly the nearby Gaume region, is excellent for outdoor activities. You can enjoy various cycling routes, including road cycling and mountain biking, and explore numerous hiking trails. For specific routes, you can check out the MTB Trails around Thonne-La-Long, Cycling around Thonne-La-Long, and Road Cycling Routes around Thonne-La-Long guides.

What is the Gros Cron and what makes it special?

Gros Cron is an impressive 20-meter high rock formation located in Lahage, Belgium. It is geologically unique, formed from layers of tufa deposited by a petrifying spring. Historically, this porous rock was used by Romans and later for construction. It's also of botanical interest, home to the rare Blue Sesleria grass, and offers panoramic views over the Gaume region.

Where can I find panoramic views of the region?

For breathtaking panoramic views, head to Mont Saint-Walfroy. From its summit, you can enjoy extensive vistas of the Meuse valley and the surrounding forests. Gros Cron also provides magnificent viewpoints over the green forests and rolling hills of the Gaume region.

Is the Rabais Valley Lake a good spot for outdoor recreation?

Yes, Rabais Valley Lake is an excellent starting point for various activities. It's ideal for walks, road cycling, and mountain biking. The area features a 'dream trail' and is a crucial point for exploring nearby villages and natural attractions.

What is the best time to visit the natural monuments around Thonne-La-Long?

The natural monuments are generally accessible year-round. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant foliage or blooming flora. Summer is also popular for outdoor activities, while winter can provide a unique, serene experience, though some paths might be more challenging.

Are there dog-friendly trails near these natural monuments?

Many of the trails and natural areas around Thonne-La-Long and the Gaume region are dog-friendly, allowing you to explore with your canine companion. However, it's always recommended to keep dogs on a leash, especially in protected areas or near wildlife, and to check local regulations for specific sites.

What should I wear when visiting the natural monuments, especially in summer?

In summer, light, breathable clothing is recommended. Comfortable hiking shoes are essential for exploring trails and uneven terrain. Don't forget sun protection like a hat, sunglasses, and sunscreen. Bringing water is also crucial to stay hydrated during your explorations.

Can I find cafes or pubs near the natural monuments for refreshments?

While Thonne-La-Long itself is a small commune, the surrounding Gaume region and nearby villages offer options for refreshments. You'll find cafes and pubs in towns like Virton or around popular spots like Rabais Valley Lake, which serves as a hub for exploring the area.

What makes the Fairies' Cave a unique natural monument?

The Fairies' Cave, or Trou des Fées, is a series of natural sandstone caves near Virton. Its main gallery extends for 15 meters, carved by natural erosion during the Jurassic era. Beyond its geological interest, it's famous for local legends of fairies, adding a mythical charm to its natural beauty. A dedicated 'fairy path' enhances the magical experience.

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