4.5
(837)
5,391
riders
212
rides
Gravel biking around Uccle offers extensive opportunities within the Brussels-Capital Region, characterized by its numerous parks and direct access to expansive forests. The terrain features a mix of densely vegetated areas, including the vast Sonian Forest and Bois de la Cambre, and open vistas. Riders can expect varied surfaces with occasional roots and small stones, providing a dynamic experience. This green municipality provides a natural escape for gravel biking enthusiasts seeking diverse trails.
Last updated: May 16, 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.
4.6
(99)
586
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(11)
85
riders
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
3.8
(6)
34
riders
62.3km
03:54
680m
680m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
23
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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This tour goes for kilometers through the forest. In spring it is beautiful with the hyacinths and wood anemones. In summer nice and cool.
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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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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. In 1892, it was given its own rail connection to Groenendaal station as part of a smooth development. To realize this racecourse, about 100 hectares of forest were cleared at the end of the 19th century. King Leopold II had his own box, 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. A fire and subsequent explosions of ammunition on May 6, 1919, heavily damaged the grandstands and buildings of the hippodrome. 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 only rebuilt in 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 office, https://id.erfgoed.net/erfgoedobjecten/302991
4
0
Open grassy area with some benches, ideal for a break on dry days.
3
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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.
1
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A solid wood bridge crosses the Horseshoe Pond, which is thus divided into two parts.
3
0
cozy village café, you feel like you're in France
0
0
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!
1
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Uccle offers an extensive network of over 300 gravel bike trails. These routes cater to various skill levels, including 23 easy, 176 moderate, and 134 difficult options, ensuring there's a suitable ride for everyone.
Gravel biking around Uccle features a diverse landscape, combining densely vegetated areas like the Sonian Forest and Bois de la Cambre with open vistas. Riders can expect varied surfaces, including gravel paths with occasional roots and small stones, providing a dynamic and engaging experience.
Yes, Uccle offers several routes suitable for families. While specific 'family-friendly' designations vary, many of the 23 easy routes are ideal for a more relaxed pace. The region's numerous parks, such as Wolvendael Park and Park Deendal, also provide gentler paths for shorter excursions.
The Sonian Forest, a major part of Uccle's gravel biking landscape, has specific rules regarding dogs. While generally dog-friendly, it's important to check local regulations for specific areas, especially concerning leashing requirements and protected zones, to ensure a pleasant experience for everyone.
Many routes through the Sonian Forest and Bois de la Cambre offer picturesque views. The Bois de la Cambre, in particular, is known for its scenic beauty and historical connections to cycling, providing lovely vistas. For a challenging ride with varied scenery, consider the Tervuren Park Ponds – Sonian Forest loop from Albert, which winds through beautiful parklands and dense woodlands.
Yes, many of the gravel bike trails in Uccle are designed as loops, allowing you to start and end at the same point. An example is the Grasdelle Trail Clearing – Royal Lodge of Groendaal loop from Forest-Est - Vorst-Oost, which takes you through the Sonian Forest and past historical landmarks.
Uccle's trails often pass by significant natural and historical sites. You can explore the vast Zonienwald (Sonian Forest), or discover the serene Drowned Children Ponds. Some routes also lead near the impressive Domaine Solvay, offering a blend of nature and culture.
Uccle's gravel trails, particularly those in the Sonian Forest, are enjoyable year-round. The 'beech cathedral' of the Sonian Forest offers beautiful scenery in all seasons, from lush greens in spring and summer to vibrant colors in autumn. Even in winter, the paths can be ridden, though conditions might be muddier.
Absolutely. Uccle provides 23 easy gravel biking routes, perfect for beginners or those seeking a relaxed ride. These trails typically have less elevation gain and smoother surfaces. A good option to consider is a loop from Uccle-Calevoet through areas like Ruisbroek Lock and Keyenbempt Nature Reserve, which are considered easy mountain bike rides.
Given Uccle's direct access to the Sonian Forest and Bois de la Cambre, there are various parking options available at the entrances to these large green spaces. Many official trailheads and park access points will have designated parking areas, making it convenient to start your ride.
The gravel biking routes around Uccle are highly regarded by the komoot community, holding an impressive average rating of 4.4 out of 5 stars from over 1,100 reviews. Riders frequently praise the extensive forest paths, green parks, and the varied terrain that makes each ride unique.
Yes, for experienced gravel bikers seeking a challenge, Uccle offers 134 difficult routes. These trails often feature more significant elevation changes and more technical sections with roots and stones. The Grasdelle Trail Clearing – Grippensdelle MTB Singletrack loop from Albert is an example of a moderate to difficult route that provides a more intense experience.
Uccle is a municipality within the Brussels-Capital Region, which has a well-developed public transport network. Many starting points for trails, especially those accessing the Sonian Forest or Bois de la Cambre, are reachable by bus, tram, or train, allowing for convenient access without a car.


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