4.4
(878)
10,910
riders
512
rides
Mountain biking in Bertembos En Grevensbos offers diverse landscapes across two main forest complexes, Bertembos and Eikenbos-Grevensbos. The area is situated on a Diestian ridge, providing elevated positions and varied topography. This relief-rich environment features numerous colluvial valleys, hollow roads, and erosion gullies, creating dynamic terrain for mountain bikers. The forest composition is varied, with a blend of fields and woods.
Last updated: July 8, 2026
4.5
(2)
8
riders
28.0km
02:02
260m
260m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
11
riders
31.8km
02:14
220m
220m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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3.0
(1)
4
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5
riders
18.4km
01:23
200m
200m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(1)
2
riders
20.9km
01:29
200m
200m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
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On this section, you can enjoy the rolling landscape. The cycle path is in perfect condition.
5
0
A beautiful forest massif on the outskirts of the magnificent city of Leuven. Its paths are very popular with athletes, especially for gravel riding. This area also hosted the 2023 European Gravel Championships (with victories for Lorena Wiebes and local rider Jasper Stuyven) and the 2024 Gravel World Championships (with victories for Marianne Vos and Mathieu van der Poel).
1
0
Gravel was replaced by concrete, only the connection with the Bertems plateau is still a short stretch of well-rounded gravel
1
0
In the Koeheide in Bertem, at the northern intersection of the Grote Reedelle and the Kleine Reedelle, part of the sunken road of the Kleine Reedelle has completely collapsed and is not even accessible on foot, April 2025. You can of course take an alternative route and go around.
0
0
Nature at its best!
0
0
There are over 490 mountain bike trails in Bertembos En Grevensbos. These routes cater to various skill levels, from easy to difficult, ensuring a suitable option for every rider.
The terrain in Bertembos En Grevensbos is notably varied and relief-rich. You can expect dynamic landscapes featuring numerous colluvial valleys, hollow roads, and erosion gullies. Situated on a Diestian ridge, the area also offers elevated positions and panoramic views. The trails wind through diverse forest complexes and open fields.
The mountain bike trails in Bertembos En Grevensbos are highly rated by the komoot community, with an average score of 4.4 stars from over 990 reviews. More than 14,000 mountain bikers have used komoot to explore the varied terrain, often praising the well-maintained and clearly marked paths, as well as the diverse forest and relief-rich environment.
Yes, Bertembos En Grevensbos offers 64 easy mountain bike trails. These routes are generally well-maintained and suitable for those new to mountain biking or looking for a more relaxed ride. Many routes are considered easy to moderate, providing a good starting point.
Absolutely. There are 68 difficult mountain bike trails in Bertembos En Grevensbos for experienced riders. For example, the Meerdaal Forest – Sunken Path to Zoete Waters loop from Bertem is a challenging 20.2-mile route that explores a mix of forest paths and natural features, offering up to 1000 feet of elevation gain.
Yes, the elevated position of Bertembos on the Diestian ridge provides magnificent panoramic views. The area is also characterized by numerous colluvial valleys and hollow roads, which create dynamic perspectives. In early spring, you might encounter a striking carpet of wood anemones, particularly in the hilliest, southeastern part of Bertembos. You can also explore highlights like the Hollow Road of Stierke.
Yes, a notable family attraction in the area is the Het Vossenhol Play Forest. This highlight features natural play elements, encouraging imaginative play for children. It also includes a paved footpath, making it accessible, and serves as an excellent picnic spot.
Many of the mountain bike trails in Bertembos En Grevensbos are loop routes. For instance, the Bertembos Forest Trail – Bertem Forest and Grevens Forest loop from Terbank is a popular 13.6-mile moderate loop that explores diverse forest complexes and varied terrain.
The landscape is particularly picturesque in autumn when the leaves display gradients of orange and brown, making it a beautiful time to visit. Early spring also offers a unique experience with a striking carpet of wood anemones. Generally, the well-maintained paths are enjoyable throughout the year, weather permitting.
While specific parking locations are not detailed in the route descriptions, the area is known for its accessibility. Many trailheads, especially those starting from places like Terbank or Bertem, typically have designated parking areas nearby. It's advisable to check the starting point of your chosen route on komoot for more precise parking information.
Yes, for those seeking longer rides, routes like the Singletrack trails in Plantsoenbos – Small Hill in the Forest loop from Bertem offer a substantial challenge, covering nearly 36 kilometers (22.4 miles) with varied terrain.
Yes, the relief-rich environment of Bertembos En Grevensbos, with its Diestian ridge and varied topography, means many trails offer significant elevation gain. Some routes provide up to 1000 feet of elevation gain, such as the Tunnel under the E40 loop from Bertem, which includes over 220 meters of ascent.


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