Best canyons around Diest refers to the region's distinctive "hollow ways" or "sunken lanes," which are deep, eroded paths rather than traditional geological canyons. Located in the Hageland region, Diest features a landscape of rolling hills, forests, and heathland. These natural features provide varied terrain for outdoor activities, including hiking and cycling. The area's unique sunken lanes offer sheltered routes and notable natural beauty.
Last updated: June 30, 2026
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Nice single track through the sunken road that descends from grass forest to the railway. The sunken road is called the hellestraat.
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Hollow road that runs from Grasbos down to the Demer valley.
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There are two benches in beautiful places along this path. One of the "de Merode" landscape park type at the junction with the slow roads to the mill and a normal one in the bend a little further on where the road also becomes a little wider.
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One of the beautiful slow roads in Schaffen that with an expansion of the offer in recent years of Schaffen really have made an even nicer walking village. It takes you along and to various crossings of walking junctions along tree plantations, a much deeper sunken road and many beautiful views over Schaffen. Completely agree with Marc.
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Hollow roads (called deep streets here) only occur in hilly regions. They are typical for the loam region, but they can also be found in harder sandstone (such as here in Paal). They were created by man. They were used as a connecting road between farm and field and due to frequent use, loose sand was washed down the slope with every rain shower. In this way, the road was hollowed out deeper and deeper. A hollow road has a mild temperature, the wind has no effect on it. The silence is also noticeable during a walk in the shelter of a deep street.
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Pleasant walk on a hollow overgrown path
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The name Holleweg appears at quite a few points here, it is easy to lose your way. Just look at the map or Google Maps: there is a Holleweg that starts at the Turnhoutsebaan and makes a half turn at brasserie Jeffrey's to the same Turnhoutsebaan, but closer to Diest. At the same time you have two stretches of Holleweg that leave/arrive on the rightmost part of that half-ellipse: the Holleweg as the narrow road that descends to Diest AND at the same place the Holleweg as a larger track that goes to the left, upwards, and where some of those typical large houses with a view over Diest are located. So you can prepare quite well :) At a certain point you can even look from the Holleweg all the way into the depths to a smaller sunken road with the name, indeed, Holleweg.
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The 'canyons' around Diest are unique natural features known as 'hollow ways' or 'sunken lanes.' These are deep, eroded paths, not traditional geological canyons. They offer sheltered routes and distinctive natural beauty within the region's rolling hills, forests, and heathland.
Among the most popular hollow ways are Hollow Way, known since 1350 as a vineyard, and Hellestraat Sunken Lane, which is very popular with hikers and mountain bikers. Another beautiful option is the Hollow Lane of Schaffen, offering deeper paths and scenic views.
Yes, the hollow ways provide a unique walking experience. Their mild temperatures and noticeable silence make them pleasant for walks. While specific family or dog-friendly designations aren't provided, the general nature of these paths suggests they are suitable for leisurely strolls with family and dogs, provided dogs are kept on a leash where necessary.
The hollow ways are generally considered intermediate. They are paths eroded by frequent use in hilly regions, offering varied terrain. While they are not extremely challenging, they can involve gently rolling hills and some sections might be wetter, providing a refreshing experience on hot days.
You can observe diverse natural features such as forests, heathland, and the unique geological formations of the hollow ways themselves. For instance, Hollow Way forms a division between the Langenberg and the Cauwberg, with the left flank of the Holleweg being the highest point of the Langenberg at 60 meters. The region also features extensive forests, fens, marshes, and heathland, particularly near Averbode.
Yes, several hollow ways offer beautiful views. For example, the Hollow Lane of Schaffen provides many beautiful views over Schaffen. The Hollow Way also offers viewpoints, with some sections allowing views into smaller sunken roads.
The region around Diest is excellent for various outdoor activities. Besides hiking the hollow ways, you can enjoy running, mountain biking, and road cycling. There are numerous routes exploring the local natural scenery, characterized by gently rolling hills, challenging climbs, and characteristic gravel sections. For more details on routes, you can explore Running Trails around Diest, MTB Trails around Diest, and Road Cycling Routes around Diest.
The hollow ways can be enjoyed year-round. They offer mild temperatures and shelter from the wind, making them pleasant even on hot days or during cooler seasons. In winter, the landscape takes on a different charm, though some paths might be wetter. Spring and autumn offer vibrant colors and comfortable hiking conditions.
Yes, the hollow ways have historical significance. For instance, the Hollow Way in Molenstede was known as a vineyard as early as 1350. These paths were often created by human use as connecting roads between farms and fields, with frequent use and rain washing away loose sand, hollowing them out over centuries.
For a notably deep sunken lane, consider visiting the Hollow Lane of Schaffen. This path is described as a much deeper sunken road, offering a distinct experience compared to others in the area.
The hollow ways are unique due to their formation by erosion from frequent human use, rather than geological processes. This creates a distinct environment with mild temperatures, reduced wind, and a noticeable silence, offering a sheltered and immersive walking experience that differs from open trails or traditional canyons.


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