4.6
(172)
2,560
riders
115
rides
Gravel biking in Vlaams Natuurreservaat Mechelse Heide offers diverse terrain across a significant part of the Hoge Kempen National Park. The region is characterized by extensive heathlands, varied forests, and unique sand dunes. Artificial hills known as spoil tips, remnants of mining history, provide challenging climbs and panoramic views.
Last updated: July 1, 2026
4.3
(3)
80
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
4.5
(2)
99
riders
57.3km
04:45
220m
220m
The Hoge Kempen National Park Black Marathon Route is a difficult 35.6-mile gravel biking trail through diverse landscapes and challenging t

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12
riders
30.8km
02:01
180m
180m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(9)
64
riders
36.0km
02:21
150m
150m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
18
riders
56.0km
03:19
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The Maas forms the border between the Netherlands and Belgium for a distance of forty kilometers. Here the river has free rein and can be quite wild. A maze of old riverbeds, banks, rapids, and gravel banks creates a wild, untouched landscape. And where there is water, there is life! Konik horses and Galloway cattle graze on the banks, while rare butterflies flutter by. This cross-border nature reserve is a paradise for hikers with over 200 kilometers of trails. There is also an extensive network of cycle paths! Discover not only the natural beauty but also the idyllic villages along the Maas and cross the river via a bridge or ferry. These large herbivores play a crucial role in managing the natural environment. Together, they create a diverse landscape. In winter, the cattle graze on trees and shrubs, while the Konik horses feast on the shorter grass and the best herbs. This unique combination prevents the area from being overgrown by pastures and creates a dynamic mosaic of open meadows, rough scrub, and forests. This keeps nature constantly in motion! The Maas is a rain-fed river, which means that the hiking trails in RivierPark Maasvallei sometimes experience floods during periods of heavy rainfall. This can affect the accessibility of the trails.
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Cycling between the terraces, also known as cycling over water, is a cycling project that opened to the public in September 2024. It is a pontoon cycle/footpath across the Große Plas (Great Pond) between the waste heaps at resort Terhills. It is a new addition to the series of special cycling projects previously realised in the cycling paradise of Limburg (such as cycling through the water (Domain Bokrijk), cycling through the heathlands (north of Zutendaal), and cycling through the forests (Bosland National Park)).
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Cycling across the heath takes you right through the Hoge Kempen National Park. In this park, vast pine forests alternate with endless heathlands. Thanks to the new connection between cycle nodes 550 and 551, nature is presented to you on a platter. You cycle across the Mechelse Heide, with 700 hectares, one of the largest heathland areas in Flanders. The highlight of this route is undoubtedly the almost 300-meter-long wooden bridge, a recognizable element in the landscape. From the bridge, you have a panoramic view of the natural surroundings.
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Station As is a former railway station on lines 21A (Hasselt-As) and 21B (As-Eisden). The station building now houses a restaurant and the Kolenspoorvereniging (Coal Railway Association) uses it for the operation of the tourist railway line Waterschei-As-Eisden. Station As is also one of the gateways to Hoge Kempen National Park and has an observation tower.
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Enjoy an exceptional view
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I haven't managed it without dismounting yet. The last few meters are always a struggle, even with a serious run-up. Loose rocks and sand make it tricky, and it's really quite steep. A fun challenge!
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Beautiful view, especially in sunny weather.
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Vlaams Natuurreservaat Mechelse Heide offers a wide selection of gravel biking routes, with over 100 trails available. These routes cater to various skill levels, including easy, moderate, and difficult options.
The terrain is incredibly diverse, featuring extensive heathlands, dense forests, and unique sand dunes. You'll also encounter challenging climbs on the spoil tips, which are artificial hills offering panoramic views, and paths alongside former gravel lakes. This variety makes it ideal for gravel biking.
The reserve is beautiful year-round, but a particularly stunning time to visit is from mid-August to mid-September when the heathlands bloom, transforming the landscape into a 'purple painting'. Spring and autumn also offer pleasant temperatures and vibrant scenery.
Yes, while many routes offer challenging terrain, there are also easier options available. For families, the Sand Dune Pond at Hoge Kempen National Park area and the Pond Under the Hill offer gentler paths. The nearby Beestige Boelbos play forest also provides a fun stop for children.
You can explore vast heathlands, diverse forests, and unique sand dunes. Notable features include the spoil tips, which offer excellent viewpoints, and various lakes such as those around Mechelse Heide — Lakes and Sand Dunes. Don't miss the unique 'Fietsen door de Heide' experience, which includes a wooden bike bridge offering panoramic views.
Absolutely. The spoil tips, remnants of the region's mining history, provide excellent vantage points for breathtaking views over the heathlands and the Maasland. Additionally, the 'Fietsen door de Heide' route features a 300-meter architectural wooden bike bridge that offers expansive panoramic views across the park.
Yes, there are designated parking areas around the reserve, particularly at the main entrances and visitor centers, which are convenient starting points for many gravel bike routes. Specific parking information can often be found on local tourism websites or at the park's visitor information points.
While the reserve is best accessed by car, public transport options are available to nearby towns. From there, you might need to cycle or take a local bus to reach the main entrances of the Mechelse Heide. It's advisable to check local bus schedules for connections to the park.
Generally, no specific permits are required for gravel biking on the designated paths within Vlaams Natuurreservaat Mechelse Heide. However, always respect local signage and regulations, as some areas might have specific access rules or require permits for other activities.
Dogs are generally welcome in Vlaams Natuurreservaat Mechelse Heide, but they must be kept on a leash at all times to protect the wildlife and natural environment. Always ensure you clean up after your dog.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 140 reviews. Reviewers often praise the diverse terrain, the stunning heathland landscapes, and the challenging yet rewarding climbs on the spoil tips. The variety of routes, from the long View of the Kikbeekbron Valley – Mechelse Heide loop from Klein Spanje to the scenic Cycling through the Mechelse Heide – As Bicycle Bridge loop from Niel-bij-As, is also a highlight.
'Fietsen door de Heide' (Cycling through the Heathland) is a unique cycling experience within the Hoge Kempen National Park. It features a four-kilometer stretch, including a 300-meter architectural wooden bike bridge that allows you to cycle directly through the heathland. This route is perfectly suited for gravel bikes, offering a smooth yet immersive ride through the stunning landscape. You can find sections of this experience on routes like the Cycling through the Mechelse Heide – As Bicycle Bridge loop from Niel-bij-As.
Yes, you can find cafes and restaurants in the towns and villages surrounding Vlaams Natuurreservaat Mechelse Heide, such as Maasmechelen. Some visitor centers within the park may also offer refreshments. It's a good idea to plan your route to pass through these areas if you're looking for a mid-ride stop.


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