4.5
(328)
1,200
riders
25
rides
Mountain biking around Etterbeek offers access to extensive natural landscapes, primarily the Sonian Forest and Bois de la Cambre. The terrain is characterized by ancient beech forests, varied elevations, and a network of unpaved sections suitable for mountain biking. These areas provide diverse riding experiences, from connecting city green spaces to immersive forest trails.
Last updated: October 4, 2026
4.5
(102)
423
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(110)
215
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

4.5
(34)
224
riders
44.6km
02:45
350m
350m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.5
(38)
139
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(15)
47
riders
29.8km
01:56
280m
280m
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.
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This road is called Hakenstakendreef today and connects the current Groenendaal station with the tunnel under Sint-Jansberglaan, which leads you to the former racecourse (and the restored Royal Box). The Hakenstakendreef is incidentally mentioned in a building application as the "chemin d'accès" (access road) that led to the now-nonexistent Groenendaal-Hippodroom station. See https://hoeilaart.weleer.be/renbaan-groenendaal/2904 At the beginning of the avenue, you will find information boards about the forest; at the end, by the tunnel, is part of the former racecourse car park where this station once stood, and where racehorses, as well as people, were brought by train. You are therefore walking in a once very popular area, as at its peak, around fifty horse races were organized in Groenendaal (before the First World War). But you won't see much more than the gravel road and trees (until you reach the remains of the car park and the tunnel).
2
0
Open grassy area with some benches, ideal for a break on dry days.
3
0
The Duisburg Dolmen Stone is a large historical erratic boulder in Duisburg (a district of Tervuren). It is often associated with prehistoric rituals and may have been part of an ancient burial monument (dolmen), although this has not been proven with certainty. The stone is primarily considered a local archaeological and folklore monument, commemorating the very early settlement of the region.
3
0
A solid wood bridge crosses the Horseshoe Pond, which is thus divided into two parts.
3
0
Nice path, but note that cycling is not allowed here, and dogs must be leashed. It's more like a large park that transitions into forest.
0
0
beautiful segment
0
0
The mountain bike trails around Etterbeek primarily traverse the expansive Sonian Forest and Bois de la Cambre. You can expect varied terrain, including ancient beech forests, diverse elevations, and numerous unpaved sections. The Sonian Forest, a UNESCO World Heritage site, is known for its well-preserved relief, offering an engaging riding experience.
There are 18 mountain bike trails around Etterbeek documented on komoot. These include 3 easy routes, 12 moderate routes, and 3 difficult routes, offering options for various skill levels.
Yes, there are several easy routes. One popular option is the Grasdelle Trail Clearing – Grippensdelle MTB Singletrack loop from Germoir - Mouterij, an 18.1-mile (29.2 km) trail that navigates through varied forest terrain, offering a pleasant and accessible ride.
The trails often lead through the ancient Sonian Forest, known for its majestic beech trees, some over 200 years old. You might also encounter picturesque areas like Rouge-Cloître Lake, as explored on the Rouge-Cloître Lake – Forest Path loop from Thieffry. The Bois de la Cambre also offers scenic pathways and viewpoints.
Yes, many of the mountain bike routes around Etterbeek are designed as loops. For example, the Drowned Children Ponds – Sint-Hubertus Chapel loop from Germoir - Mouterij is a moderate 33.1-mile (53.2 km) route that offers a comprehensive circular experience.
The mountain bike routes in Etterbeek are highly rated by the komoot community, with an average score of 4.6 stars from over 140 reviews. Riders often praise the diverse terrain, the immersive forest experience, and the variety of options for different skill levels.
Yes, for more experienced riders, there are difficult routes available. The Grippensdelle MTB Singletrack – Rouge-Cloître Lake loop from Boileau is a 19.0-mile (30.6 km) trail that leads through dense woodlands and includes singletrack sections, offering a more demanding ride.
Beyond the natural beauty, you can find historical landmarks. The Drowned Children Ponds – Sint-Hubertus Chapel loop from Germoir - Mouterij passes by the Sint-Hubertus Chapel. Other nearby attractions include the Castle Pond, Tervuren Park and various castles like De Viron Castle.
Yes, the region offers dedicated sections for mountain biking. You can find highlights like Singletrack Trail – Nationaal Park Brabantse Wouden and Singletrack Zoniënwoud, which are popular among local riders for their technical sections.
The trails vary significantly in length and duration. Easy routes like the Grasdelle Trail Clearing – Grippensdelle MTB Singletrack loop from Germoir - Mouterij are around 18 miles (29 km) and take about 1 hour 50 minutes. Longer moderate routes, such as the Broctiaux Path – Gravel Path in Hallerbos loop from Thieffry, can be over 33 miles (53 km) and take more than 3 hours.
Etterbeek's location within the Brussels-Capital Region provides good public transport links. Many trailheads, particularly those leading into the Sonian Forest and Bois de la Cambre, are accessible via public transport from Etterbeek, making it convenient to reach the starting points without a car.


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