Best canyons around Olne are found within a region characterized by its varied natural landscape, including valleys and streams. Located in the province of Liège, Belgium, the area features wooded settings and natural formations. These geological features contribute to a diverse terrain suitable for exploration. The region offers opportunities for walking and discovering its natural and historical sites.
Last updated: May 20, 2026
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Entrance fees (including the underground boat tour) may vary depending on the season. Children aged 3–11 pay €14, teenagers €17, adults €20, and seniors aged 60 and over €16. Reduced rates are available for people with reduced mobility. The caves are open daily from 9:30 a.m. to 5:00 p.m. Payment can be made in cash or by credit card. Reservations can be made online or by phone. A special tour for people with reduced mobility is available—please contact us in advance if you require one.
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Along a country road with hedges and narrow forest paths to Vaux-sous-Olne
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A delightful path in the Ruisseau du Blanc Gravier valley. It alternates between a forest path and a stream. It connects the pond with the Quartier Blanc Gravier.
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Unexpected spot in the middle of the park, next to a viewpoint over the city (let's see if we can still see that far when the trees have turned green...), a reminder of a time when the walking routes were punctuated by https://www.dogwhistlings.com
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Easy hiking trails in a beautiful valley. 👌
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Beautiful technical path unfortunately impassable this day (29012023), too many trees on the course
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Bucolic valley with ponds, paths for walking or cycling, in a beautiful wooded setting.
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The canyons and gorges around Olne offer a variety of natural features. You can explore the bucolic setting of Julienne Valley with its ponds and the flowing Julienne stream. The Remouchamps Caves feature impressive underground formations, including 'The Cathedral', while the Casino Grotto, Parc de la Chartreuse offers a unique cave experience within a park setting, often with city views. The Ry de Vaux Valley is characterized by its river and historical elements like an old grain mill, and the Rooty Forest Trail Along the Stream features a stream with several waterfalls.
Yes, several options are suitable for families. Julienne Valley is noted as family-friendly, offering paths for walking and cycling in a wooded setting, and even has a playground near its entrance. The Remouchamps Caves also welcome families, providing an engaging underground boat tour experience.
The difficulty levels vary, offering options for different fitness levels. Many of the gorges, such as Julienne Valley, Casino Grotto, Parc de la Chartreuse, and Ry de Vaux Valley, are considered intermediate. For a more challenging experience, the Rooty Forest Trail Along the Stream is rated as challenging due to its technical, rooty terrain and potential for slippery conditions near waterfalls.
The region around Olne is rich in history. The Remouchamps Caves are a historical site, open to the public since 1828. In Julienne Valley, you can find tombs sealing old mining shafts. The Ry de Vaux Valley features the historic alley of the stairs, which connects Olne to Vaux-sous-Olne and Nessonvaux, and an old grain mill that once manufactured cannons.
The best time to visit depends on your activity. For outdoor exploration of valleys and trails like Julienne Valley or Ry de Vaux Valley, spring through autumn offers pleasant weather. For the Remouchamps Caves, the temperature inside remains a constant 8 to 10 degrees Celsius all year round, making it a suitable visit regardless of the season.
Yes, the Olne region is popular for various cycling activities. You can find numerous routes for gravel biking, mountain biking, and general cycling. For instance, you can explore routes like the 'Côte de Niaster Climb – The Hornbeam Avenue of Haut-Maret loop' for gravel biking or 'Deigné Village – Singletrack between fields loop' for mountain biking. More details on these and other routes can be found in the Gravel biking around Olne, MTB Trails around Olne, and Cycling around Olne guides.
Visitors appreciate the diverse natural beauty and the opportunities for outdoor activities. Many enjoy the bucolic and wooded settings, the presence of streams and ponds, and the well-maintained paths for walking or cycling. The unique experience of an underground boat tour in the Remouchamps Caves is also a highlight, as are the unexpected viewpoints and historical elements found in places like the Casino Grotto, Parc de la Chartreuse.
Yes, there are several spots offering scenic views. The Casino Grotto, Parc de la Chartreuse is located next to a viewpoint that offers vistas over the city. Additionally, the Ry de Vaux Valley also features viewpoints along its trails, allowing you to appreciate the surrounding natural landscape.
Absolutely. The Julienne Valley offers pleasant paths for walking. In the Ry de Vaux Valley, you can discover the historic 'alley of the stairs' with over 200 limestone steps. For a more adventurous walk, the Rooty Forest Trail Along the Stream provides a delightful, albeit challenging, path that alternates between forest and stream sections, featuring waterfalls.
The Remouchamps Caves are generally open daily from 9:30 a.m. to 5:00 p.m. Entrance fees, which include the underground boat tour, may vary by season. Typically, children aged 3–11 pay €14, teenagers €17, adults €20, and seniors aged 60 and over €16. Reduced rates are available for people with reduced mobility, and it's advisable to contact them in advance if you require a special tour.
Yes, the Remouchamps Caves are considered a natural monument, showcasing impressive underground passages and galleries, most notably 'The Cathedral' with its 40-meter height. The valleys themselves, like Julienne Valley, are geological features formed by streams, creating distinct landscapes with ponds and wooded areas.
While specific wildlife is not detailed, the wooded valleys and stream environments, such as those found in Julienne Valley and Ry de Vaux Valley, typically support local forest and riparian wildlife. This could include various bird species, small mammals, and aquatic life in the streams and ponds. The diverse vegetation of areas like the Parc de la Chartreuse also contributes to a rich local ecosystem.


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