4.4
(111)
707
riders
61
rides
Mountain biking around Grez-Doiceau offers diverse landscapes characterized by green, hilly terrain and extensive forests. The region features a network of paths, including rural tracks and forest trails, providing varied riding experiences. These routes often include elevation gains and traverse areas with natural features like waterways and ponds, making it suitable for different skill levels. The varied topography ensures dynamic terrain for mountain bikers.
Last updated: May 11, 2026
4.7
(10)
77
riders
24.3km
01:51
250m
250m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(12)
73
riders
38.3km
03:11
460m
460m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.3
(20)
147
riders
47.5km
03:28
340m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.6
(9)
88
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.3
(4)
31
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The Hertebron is a spring in the Meerdaalbos in the southwest of the Belgian municipality of Oud-Heverlee. The spring is located southeast of Sint-Joris-Weert behind the campsite La Hetraie and approximately 500 meters southwest of the youth hostel "De Kluis", and lies at the end of the Paddenpoeldal. A wall of pebbles has been built around the spring. The water from the spring is used as drinking water and is periodically tested for quality.
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De Hertebron is a spring in the Meerdaalbos, in the southwest of the Belgian municipality Oud-Heverlee. The spring is located southeast of Sint-Joris-Weert behind the campsite La Hetraie and approximately 500 meters southwest of the youth hostel "De Kluis", and is located at the end of the Paddenpoeldal. Around the spring, a low wall of pebbles has been built. The water from the spring is used as drinking water and is periodically tested for quality. The spring is located at the intersection of Kleinstraat and August Dentenneerpad.
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Beautiful Beautiful hollow road. Be careful when the weather is good, there are many walkers
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It is wonderful to cycle on this characteristic sunken road. The route winds through green deciduous and coniferous forests, with winding paths that lead you along quiet streams and open spaces.
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The Meerdaalwoud is a vast forest area with a network of well-maintained trails that are ideal for mountain bikers. The Warandedreef is a major gravel road that winds through the heart of the Meerdaalwoud. It offers a unique combination of technical sections, fast straights and a number of tough climbs.
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I wouldn't recommend it with a gravel bike anyway. More like an MTB path. Uphill maybe just barely, but downhill too narrow and too many washed out parts to ride through.
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There are nearly 60 mountain bike trails around Grez-Doiceau. These routes cater to various skill levels, with 3 easy, 42 moderate, and 14 difficult options.
Yes, Grez-Doiceau offers a few trails suitable for beginners. While most routes are moderate, you can find 3 easy trails to get started. These typically traverse less challenging terrain through green, hilly landscapes and forests.
Mountain bike trails in Grez-Doiceau feature diverse terrain, including rural paths, forest trails, and sometimes unique 'sunken roads'. The region is characterized by green, hilly landscapes, offering dynamic riding experiences with elevation gains and scenic views. Many routes wind through forests, providing shaded sections.
Yes, for those seeking longer rides, Grez-Doiceau has several options. The longest route is the Gravel trail of the Route des grottes loop from Pécrot, which spans 74.1 km and is considered difficult. Another substantial ride is the Rural Path with a View – Forest Path loop from Gastuche, covering 47.5 km.
Among the most popular routes are the Rural Path with a View – Forest Trail Along the Stream loop from Pécrot, a moderate 38.3 km trail, and The Long Path, Meerdaalwoud – Warandedreef in Meerdaalwoud loop from Gottechain, a moderate 30.5 km path. These are highly rated by the komoot community for their varied terrain and scenic beauty.
Many of the mountain bike routes in Grez-Doiceau are designed as loops, offering convenient circular journeys. Examples include the popular Rural Path with a View – Forest Trail Along the Stream loop from Pécrot and the challenging Meerdaalwoud – Meerdaal Forest loop from Pécrot.
The region is rich in natural beauty. You can encounter waterways like the Dijle River in the Doode Bemde Nature Reserve, and picturesque ponds such as those in the Ponds of Tervuren Park. Lake Genval is also nearby, offering pleasant views. Many trails also pass through extensive forests and offer scenic viewpoints over the hilly landscape.
The mountain bike trails in Grez-Doiceau are highly rated by the komoot community, with an average score of 4.4 stars from over 100 reviews. Riders often praise the diverse landscapes, the mix of rural and forest trails, and the dynamic, hilly terrain that keeps rides engaging. The presence of natural features like rivers and ponds also adds to the appeal.
While the guide primarily features moderate to difficult trails, the region's green surroundings and varied terrain can be enjoyable for families with some biking experience. Look for the 'easy' rated trails, though these are fewer in number. The area also offers other outdoor activities and parks that might appeal to families.
Many routes in Grez-Doiceau traverse hilly landscapes, naturally offering scenic viewpoints over the green countryside and forests. While specific named viewpoints are not detailed for every trail, the varied topography ensures opportunities for panoramic vistas, especially on routes that climb to higher elevations.
Grez-Doiceau's trails can be enjoyed across multiple seasons. Spring and autumn offer pleasant temperatures and vibrant natural colors, while summer provides longer daylight hours. Winter riding is also possible, though conditions may vary, especially on forest trails. Always check local weather conditions before heading out.
While some popular routes might see more traffic, Grez-Doiceau has nearly 60 trails, providing ample opportunity to find quieter paths. Exploring some of the less-trafficked moderate or difficult routes, or riding during off-peak hours, can help you find a more serene experience amidst the region's forests and rural landscapes.


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