4.5
(808)
4,858
riders
111
rides
No traffic gravel bike trails around Auderghem - Oudergem are primarily defined by the extensive Sonian Forest, an ancient woodland known for its beech trees and diverse terrain. This region, part of the Brussels-Capital area, offers a network of paths through natural relief and undisturbed subsoil, providing varied off-road cycling experiences. Beyond the forest, green spaces like Rouge-Cloître and Parc Bergoge contribute to the area's natural features, offering additional routes for gravel biking. The landscape includes forested areas, ponds, and…
Last updated: May 19, 2026
4.7
(66)
287
riders
41.1km
02:52
320m
320m
This moderate 25.5-mile gravel biking loop from Watermael-Boitsfort explores the ancient Sonian Forest, featuring châteaux and ponds.
4.5
(25)
167
riders
43.1km
02:24
390m
390m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.

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4.5
(15)
64
riders
33.5km
01:51
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
45
riders
48.9km
02:55
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(4)
45
riders
73.7km
04:36
830m
830m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Auderghem - Oudergem
The most famous monument on the battlefield of Waterloo. The hill can be seen from afar.
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The Groenendaal racecourse was built in 1888-1889 on the initiative of Leopold II in the middle of the Sonian Forest, next to the road to Waterloo, and in 1892, as part of easy access, it received its own railway connection to Groenendaal station. To realize this racecourse, approximately 100 hectares of forest were cleared at the end of the 19th century. King Leopold II had his own box there, located between two metal grandstands for the public. After the First World War, this area was used for the dismantling of weapons and ammunition left behind in the Westhoek. German prisoners of war had to clear mines under the supervision of the Belgian army. During a fire and the subsequent explosions of ammunition on May 6, 1919, the hippodrome's grandstands and buildings were heavily damaged. After another explosion in November, the ammunition depot was completely dismantled in 1920. Two years later, the racecourse was restored and the grandstands were rebuilt. The royal box for Albert I was not rebuilt until 1924. Its appearance was completely different from the pre-war grandstand. When the current appearance came about is not entirely clear, although the current box is attributed to Albert I in the literature, see also monogram. Inventory of Immovable Heritage: Royal Box and remains of bookmaker's room, https://id.erfgoed.net/erfgoedobjecten/302991
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Here in the courtyard you can get something to drink and eat (be careful, it is only open until 6 p.m.), which is a bit of a shame.
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A solid wood bridge crosses the Horseshoe Pond, which is thus divided into two parts.
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Beautiful place with a lot of history.
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Relaxation for young and old
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Nice sighting when out riding, there is a gravel track passing through and a bit later you'll meet a pasture with beautiful Highland Cows!
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Auderghem - Oudergem offers a wide selection of traffic-free gravel biking opportunities. You'll find over 100 routes, ranging from easy to difficult, primarily within the expansive Sonian Forest and its surrounding green spaces. This ensures a peaceful and immersive experience away from road traffic.
The terrain around Auderghem - Oudergem, especially within the Sonian Forest, is diverse. You can expect a mix of well-maintained gravel paths, natural forest tracks, and some sections with undisturbed subsoil. The region's natural relief provides varied elevation changes, offering both gentle rides and more challenging climbs, all designed to keep you away from car traffic.
Yes, there are several family-friendly options for traffic-free gravel biking. Many of the easier routes within the Sonian Forest are suitable for families, offering wide, stable paths. While specific 'easy' routes are available, it's always good to check the route details for distance and elevation to ensure it matches your family's comfort level. For example, the Rood Klooster Lake – Rouge-Cloître Lake loop from Demey offers a moderate, scenic ride that could be adapted for families.
The traffic-free gravel trails in Auderghem - Oudergem are rich with natural beauty and historical landmarks. You'll frequently ride through the ancient Sonian Forest, a UNESCO World Heritage site known for its majestic beech trees. Other notable sights include the picturesque Rouge-Cloître domain with its abbey and ponds, and various lakes such as the Drowned Children Ponds. Some routes might even pass by charming historical attractions like the Priory of Val-Duchesse or the Château Saint-Anne.
Gravel biking in Auderghem - Oudergem is enjoyable year-round, but each season offers a different experience. Spring brings blooming flora and mild temperatures, while autumn transforms the Sonian Forest into a spectacular display of colors. Summer is ideal for longer rides, and even winter, with appropriate gear, can offer serene, crisp rides through the forest. Always check local weather conditions, especially for potential muddy sections after heavy rain.
Yes, many of the traffic-free gravel bike routes in Auderghem - Oudergem are designed as circular loops, allowing you to start and end at the same point without retracing your steps. This is particularly true for routes exploring the Sonian Forest. An example is the Sonian Forest and Château de La Hulpe Loop, which offers a comprehensive tour of the area's natural beauty.
The gravel biking trails in Auderghem - Oudergem are highly rated by the komoot community, with an average score of 4.4 stars. Reviewers often praise the tranquility and natural beauty of the Sonian Forest, the well-maintained gravel paths that keep them away from traffic, and the varied terrain suitable for different skill levels. The sense of immersion in nature so close to the city is a frequently highlighted aspect.
The Sonian Forest and many of the green spaces around Auderghem - Oudergem are generally dog-friendly, but specific rules may apply to certain areas or nature reserves. It's always best to keep your dog on a leash, especially in protected areas or where wildlife is present, and to clean up after them. Check local signage or park regulations for the specific route you plan to take to ensure a pleasant experience for everyone.
Absolutely. While many routes are accessible, Auderghem - Oudergem also offers more challenging traffic-free gravel rides, particularly those that delve deeper into the Sonian Forest. These routes often feature longer distances and more significant elevation gains. For instance, the Broctiaux Path – Sonian Forest Path loop from Germoir - Mouterij is rated as difficult, providing a substantial workout away from cars.
Auderghem - Oudergem is well-connected, making it accessible for gravel bikers. Many entry points to the Sonian Forest and other green spaces have nearby parking facilities. Additionally, the region is served by public transport, including tram and bus lines, which can get you close to various trailheads. For specific routes, checking the starting point on komoot will often provide details on nearby parking or public transport connections.
While many of the gravel routes are deep within natural areas like the Sonian Forest, you'll find refreshment options at key entry points or in nearby villages. The Rouge-Cloître domain, for example, often has facilities. It's a good idea to carry water and snacks, especially on longer rides, but you can usually plan your route to pass through areas where cafes or small shops are available for a break.
For gravel biking in Auderghem - Oudergem, a gravel bike or a mountain bike is ideal due to the varied terrain. Essential gear includes a helmet, appropriate cycling attire, water, snacks, a basic repair kit (spare tube, pump, multi-tool), and navigation (like the komoot app on your phone). Depending on the season, consider layers of clothing and mudguards if riding after rain, as some forest paths can get muddy.


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