Best mountain peaks around Olne offer a diverse landscape characterized by challenging climbs, scenic viewpoints, and elevated summits. The region features varied terrain, including hills and former industrial sites repurposed into natural areas, providing unique hiking and cycling opportunities. Elevated points, such as the summit of Miermont, reach approximately 355 meters, offering expansive views of the surrounding valleys and distant cities. These features contribute to Olne's appeal for outdoor enthusiasts seeking varied natural and historical landscapes.
Last updated: June 24, 2026
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Op Retinne and the Terril
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Brace yourself for a tough climb, because this mountain is not called the 'high madness' for nothing. It is certainly madness with an enormously steep climb without places to relax. For those who like a challenge on the bike! The road surface is not in optimal condition.
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204 steps lead to the top of the slag heap at a height of 57 m. From here you have a wonderful view of the Herve region.
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Rue Haute Folie is a short but very steep climb, with gradients approaching 20% at times.
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Very steep climb, more challenging than La Redoute. Unknown, but necessarily unloved, is included in some lists of the most beautiful and quiet climbs in the Ardennes. Recommended to do, Cotacol no. 297
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Heavy climb, choose the right gear right from the start, a nice alternative to continue to Banneux via this climb
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Brutal climb but therefore highly recommended. Environment is nothing to write home about. Many houses, few views. Although you won't get much of that with these percentages. Road surface is good and little traffic!
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Very well restored, it inspires respect for the generations of miners who made the hours of glory and prosperity of our Wallonia in the last centuries! Climbing the slag heap is paying homage to them with an effort that has no common measure with the hard life they have known!
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The region around Olne features several interesting elevated points and climbs. Among them, the Rue sur Steppes Climb is popular for its good road surface and shaded sections, offering a challenging yet bearable ascent. Another significant spot is the Viewpoint of Miermont and Echalier, which provides expansive 360° views from its 355-meter summit. For a unique experience, the Stairs to the Summit of Terril du Hasard offers panoramic views after climbing 204 steps, blending natural beauty with historical interest.
Yes, Olne is known for its challenging climbs. The Rue sur Steppes Climb is considered quite hard on paper, with an average 8.4% gradient over 2100 meters, though some find it bearable. For a truly tough ascent, the Haute Folie Climb lives up to its name, offering an enormously steep challenge for those who enjoy pushing their limits.
For breathtaking panoramic views, head to the Viewpoint of Miermont and Echalier. From this 355-meter summit, you can enjoy 360° vistas of the Meuse valley, the hills of Liège, and the slag heap of Terril du Hasard. Another excellent spot is the Stairs to the Summit of Terril du Hasard, which also offers extensive views from its peak after a climb.
Yes, the Stairs to the Summit of Terril du Hasard is a notable site that combines historical interest, cultural significance, and natural beauty. This former industrial site has been repurposed into a natural area, offering a unique blend of past and present as you ascend its 204 steps to the summit.
The area around Olne offers a variety of outdoor activities. You can explore numerous cycling routes, including challenging ones like 'L'Ourthe canal – Old Lock Bridge loop from Trooz' or 'La Charmille de La Reid – La Redoute Climb loop from Fraipont'. For hiking, there are moderate trails such as 'Belgian Village Ballad – Olne and Rafhay's hedged farmlands in the Pays de Herve' or 'The Old Linden Tree – View over the Vesdre Valley loop from Olne'. Mountain biking enthusiasts can find routes like 'Deigné Village – Singletrack between fields loop from Nessonvaux'. You can find more details on these activities in the Cycling around Olne, Hiking around Olne, and MTB Trails around Olne guides.
While some climbs are challenging, the Stairs to the Summit of Terril du Hasard is described as having '204 easy steps' and encourages visitors to 'take your time,' suggesting it can be a manageable ascent for families. The area also offers various hiking routes, some of which are rated as 'easy' or 'moderate' in difficulty, such as the 'Saint Hadelin's Church – Wild Garlic Forest loop from Ayeneux' found in the Hiking around Olne guide.
The terrain around Olne is diverse, featuring a mix of good road surfaces on climbs like Rue sur Steppes Climb, and paths leading to elevated viewpoints. You'll encounter varied landscapes, including hills, former industrial sites, woods, meadows, and bocages. Some climbs, like Haute Folie Climb, are notably steep, while others involve steps, such as the Stairs to the Summit of Terril du Hasard.
Visitors appreciate the diverse experiences offered by Olne's elevated points. Many enjoy the challenging nature of climbs like Rue sur Steppes Climb, noting its good road surface and shaded sections. The panoramic views from spots like the Viewpoint of Miermont and Echalier are highly praised. The blend of historical interest, cultural significance, and natural beauty at the Stairs to the Summit of Terril du Hasard also makes it a favorite.
Yes, the natural areas around Olne's elevated points offer opportunities for wildlife spotting. For instance, near the Viewpoint of Miermont and Echalier, if you walk quietly, it's possible to see animals like hares, hedgehogs, and various birds such as tits, sparrows, starlings, and blackbirds when crossing fields. The slag heap of Terril du Hasard is also noted as a marvel of biodiversity, home to hares, badgers, deer, foxes, squirrels, and red frogs.
The highest point mentioned in the Olne region is the summit associated with the Viewpoint of Miermont and Echalier, which culminates at approximately 355 meters high. This elevated position offers extensive views of the surrounding landscape.
Yes, the Hiking around Olne guide features several circular routes. Examples include 'The Old Linden Tree – View over the Vesdre Valley loop from Olne' and 'Olne Town Hall – The Old Linden Tree loop from Olne', which allow you to explore the region's natural beauty and elevated features in a loop format.


See even more amazing summits around Olne with these guides: