4.1
(31)
191
riders
24
rides
Mountain bike trails Auderghem - Oudergem offer access to extensive natural landscapes, primarily centered around the Sonian Forest. This region features varied terrain, including ancient woodlands, the scenic Woluwe valley, and green spaces like Rouge-Cloître. The area provides a blend of urban accessibility and natural environments, making it suitable for outdoor activities.
Last updated: May 4, 2026
4.5
(11)
58
riders
24.2km
01:34
180m
180m
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.
3.7
(3)
18
riders
61.6km
03:34
290m
290m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.7
(3)
16
riders
27.3km
01:44
280m
280m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.3
(3)
13
riders
16.2km
01:01
140m
140m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
5.0
(1)
5
riders
53.9km
03:35
510m
510m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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Open grassy area with some benches, ideal for a break on dry days.
3
0
A solid wood bridge crosses the Horseshoe Pond, which is thus divided into two parts.
3
0
The elevation gain is very concentrated on 1 section of this trial.
0
0
or a nice technical descent on dry land!
0
0
Beautiful but very busy. Good to know!
4
0
Auderghem - Oudergem offers over 20 mountain bike trails, catering to various skill levels. These routes primarily explore the extensive Sonian Forest and other green spaces in the area.
The terrain is diverse, ranging from ancient woodlands in the Sonian Forest to paths along the scenic Woluwe valley. You'll encounter varied surfaces, including forest paths and some sections that may require good physical fitness and cycling experience, sometimes even pushing your bike, especially on more challenging routes. The natural relief and subsoil of the Sonian Forest have been preserved for over 10,000 years, offering unique riding conditions.
Yes, there are options for less experienced riders and families. While many routes are moderate, you can find easier trails. For example, the area around Rouge-Cloître is known for its beautiful pond and forest, offering bike paths suitable for various family activities. There are 2 easy routes available in the region.
The Sonian Forest, which forms a significant part of the mountain biking landscape in Auderghem - Oudergem, generally welcomes dogs. However, specific rules may apply regarding leashes and designated areas. It's always best to check local signage or official municipality guidelines for the most current regulations to ensure a pleasant experience for everyone.
The trails offer access to several notable natural features and landmarks. You'll primarily ride through the vast Sonian Forest, known for its ancient beech trees. Other points of interest include the beautiful pond at Drowned Children Ponds and the scenic Domaine Solvay. The Woluwe Valley also provides picturesque views.
Yes, many of the mountain bike routes in the area are circular, allowing you to start and end at the same point. An example is the Rouge-Cloître Lake – Rood Klooster Lake loop from Herrmann-Debroux, a moderate 16.2 km trail that takes about 1 hour to complete.
Auderghem - Oudergem offers various parking options, especially near popular access points to the Sonian Forest and green spaces like Rouge-Cloître. Specific starting points for routes, such as Demey or Herrmann-Debroux, often have nearby parking facilities. It's advisable to check the starting point of your chosen route for the most convenient parking.
Auderghem - Oudergem is well-connected by public transport, being part of the Brussels-Capital Region. Metro stations like Demey and Herrmann-Debroux provide excellent access to the Sonian Forest and various trailheads, making it convenient to reach the mountain biking areas without a car.
The mountain bike trails in Auderghem - Oudergem are highly rated by the komoot community, with an average score of 3.9 stars from over 20 reviews. Riders often praise the extensive, ancient woodlands of the Sonian Forest, the varied terrain, and the blend of urban accessibility with natural environments. The tranquil Rouge-Cloître area is also a frequently mentioned highlight.
Given Auderghem - Oudergem's location within the Brussels-Capital Region and its proximity to urban areas, you'll find various cafes and pubs in the municipality itself, often a short ride from the main trailheads. These establishments offer convenient spots for refreshments before or after your ride.
For those seeking a longer or more challenging ride, the region offers several options. The Dorre Dondersteen Trail – Liedekerke Castle loop from Demey is a moderate 61.4 km path traversing varied landscapes. Another option is the Hallerbos Singletrack – Bouclettes Singletrack loop from Herrmann-Debroux, a moderate 53.9 km route with significant elevation changes.
The Sonian Forest and surrounding areas are beautiful year-round. Spring and autumn offer pleasant temperatures and stunning foliage. While mountain biking is possible in winter, be prepared for potentially muddy or wet conditions, especially after rain, as the forest's natural subsoil can retain moisture. Summer provides longer daylight hours, but trails can be busier.


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