Best canyons around Oud-Heverlee are characterized by deep ravines and steep-sided valleys found within its extensive forests, particularly Meerdaalwoud and Heverleebos. These natural formations offer challenging terrain for outdoor activities. The region's landscape features ancient woodlands with significant elevation changes and technical paths. These areas are valued for their natural beauty and the unique experience of exploring eroded trails and sunken lanes.
Last updated: June 30, 2026
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Popular around Oud-Heverlee
Flanders Divide - Across Flanders
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Hiking around Oud-Heverlee
Running Trails around Oud-Heverlee
Cycling around Oud-Heverlee
Road Cycling Routes around Oud-Heverlee
MTB Trails around Oud-Heverlee

Gravel biking around Oud-Heverlee
The sunken road itself is used by the more adventurous and probably younger cycling adventurer, judging by the small sand-jumping hills constructed in it.
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A sunken road is a road that is so deeply worn that it lies between two slopes. It is the result of centuries of use and erosion. The most beautiful sunken roads can be found especially in hilly areas with a subsoil that easily forms steep walls, such as in Haspengouw and Hageland.
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A sunken road is a road that is so deeply worn that it lies between two slopes. It is the result of centuries of use and erosion. The most beautiful sunken roads can be found especially in hilly areas with a subsoil that easily forms steep walls, such as in Haspengouw and Hageland.
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Lovely walking path that winds along an old sunken road.
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Currently difficult to walk, very swampy.
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This narrow sunken road resembles a rain-soaked deep stream between the trees...
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After a lot of rainfall it can look quite acrobatic...
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The most popular canyon-like features in the region are deep ravines and sunken lanes within the extensive forests. Visitors particularly enjoy Hollow Way and Steps Huldenberg, known for its technical sections and stairs, and the Deep sunken lane, which is about 10 meters deep and offers a unique ecosystem. Another favorite is the Beautiful sunken lane, especially scenic in its deeper parts.
You'll encounter deep ravines, steep-sided valleys, and numerous sunken lanes carved into the landscape of ancient forests like Meerdaalwoud and Heverleebos. These areas feature diverse topography, including ancient deciduous and coniferous trees, with some of Flanders' oldest oaks and impressive beeches. The 'canyons' themselves are often characterized by significant elevation changes, exposed roots, and challenging terrain.
The sunken roads offer a blessing for hikers on hot days due to the shade provided by the deep cuts and dense tree cover. However, after significant rainfall, some paths, like the Beautiful sunken lane, can become quite challenging and muddy. Spring and autumn offer beautiful scenery with changing foliage and generally milder temperatures.
While many of the ravines and sunken lanes offer challenging terrain with steep sections, roots, and uneven paths, some are suitable for adventurous families. For example, parts of Hollow Way and Steps Huldenberg are considered technical but still suitable for beginner mountain bikers, suggesting that some sections might be manageable for families seeking a bit of adventure. Always check specific trail conditions and difficulty before heading out with children.
The region around Oud-Heverlee is excellent for various outdoor activities. You can enjoy gravel biking on routes like those found in the Gravel biking around Oud-Heverlee guide, road cycling with options in the Road Cycling Routes around Oud-Heverlee guide, and running or hiking on trails such as the Meerdaal Forest Tomberg Loop, detailed in the Running Trails around Oud-Heverlee guide.
The Deep sunken lane is particularly notable for its impressive depth, described as 10 meters. These hollow roads create special ecosystems, providing welcome shade on warm days and a unique, immersive experience within the forest. The contrast between the depth of these sunken roads and the vastness of the rolling fields once you emerge is also a beautiful sight.
Yes, mountain biking is a popular activity. Features like Hollow Way and Steps Huldenberg are specifically mentioned as suitable for mountain bikers, even beginners, despite technical sections and stairs. The region's challenging terrain, with steep downhills, roots, and uneven paths, provides an engaging experience for mountain bikers. You can find more routes in the Gravel biking around Oud-Heverlee guide.
A 'double sunken lane' is a unique formation where two deeply worn paths run parallel, often with a dividing berm between them. One such example is found on the flank of the Meesberg, described as a double sunken lane. One side often serves as a GR path (long-distance hiking trail), while the other might be an MTB route, offering a unique view when standing on the central berm.
Given the challenging terrain, which can include steep sections, roots, rocks, and potentially muddy paths after rain, it's advisable to pack sturdy hiking boots with good grip. Depending on the weather, waterproof clothing might be useful. Bringing water and snacks is always a good idea, especially for longer explorations into the dense forests.
Visitors appreciate the challenging and immersive natural experience. The deep ravines and sunken lanes provide an opportunity to delve into ancient forests, offering a sense of remoteness and picturesque landscapes. The technical elements like roots and steep sections make for engaging hikes and mountain bike rides, while the unique ecosystems within the hollow roads are also highly valued.
Generally, the extensive forests of Meerdaalwoud and Heverleebos, where these ravines and sunken lanes are found, are dog-friendly. However, it's always recommended to keep dogs on a leash, especially in nature reserves, to protect wildlife and ensure the safety of other visitors. Be mindful that some trails can be challenging with steep sections and uneven terrain, which might be difficult for very small or older dogs.
The Vernagelstraat is a narrow sunken road that often resembles a rain-soaked deep stream between the trees. Due to erosion, branches, and vegetation, the actual sunken road can be overgrown and difficult to access, offering a surprising view into the forest from above. It's particularly popular with adventurous cyclists who enjoy the small sand-jumping hills formed within it.


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