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Belgium
Flanders
Flemish Brabant
Halle-Vilvoorde

Hoeilaart

The best running trails around Hoeilaart

4.6

(105)

3,175

runners

51

runs

Jogging routes around Hoeilaart are primarily defined by the region's direct access to extensive green spaces, notably the vast Sonian Forest and the Bois de la Cambre. This area offers varied and natural terrains, characterized by unspoiled relief and subsoil that have remained untouched by agriculture for millennia. The landscape provides numerous paths and trails suitable for diverse running experiences, from long-distance routes to shorter, leisurely jogs through dense woodlands.

Best jogging routes around Hoeilaart

  • The most popular jogging route…

Last updated: May 4, 2026

4.4

(19)

237

runners

#1.

Nature Run Sonian Forest

13.3km

01:27

100m

100m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

4.3

(15)

146

runners

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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4.4

(23)

1,381

runners

Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.

Moderate

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.

Hard
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Hiking Collection by

Pauline van der Waal

Tips from the Community

Tony Vanderbruggen
April 15, 2026, Zonienwald (Zoniënwoud)

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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0

JP
April 2, 2026, Royal Lodge

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 a smooth access, it received its own rail connection to Groenendaal station. 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 the 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 bookmakers' room, https://id.erfgoed.net/erfgoedobjecten/302991

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6

0

Just rest...

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3

0

Klaske Schep
November 12, 2024, Forest Path

The routes vary from gentle flats to gentle climbs, ideal for a refreshing ride. In spring, flowers bloom along the paths, while autumn transforms the forest into a colourful palette of gold and red.

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1

1

Very quiet...beautiful views and easy hiking trails 👌

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5

0

Nature oasis: wonderful to relax, with only the sounds of the forest to be heard.

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4

0

Next to the arboretum you will find the old Groenendaal practice track. Scottish highlanders now graze there, which you can best spot from the viewing platform.

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0

Enjoy the lush green landscape here.

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Frequently Asked Questions

How many running routes are available in Hoeilaart?

There are over 40 diverse running routes around Hoeilaart documented on komoot. These trails offer a wide range of experiences, primarily within the extensive green spaces of the Sonian Forest and Bois de la Cambre.

What are the difficulty levels of the running trails around Hoeilaart?

The running trails in Hoeilaart cater to various fitness levels. You'll find 4 easy routes perfect for a relaxed jog, 36 moderate routes for a good workout, and 1 difficult route for those seeking a challenge. The varied terrain, often untouched by agriculture, provides natural and engaging paths.

Are there any easy running routes for beginners in Hoeilaart?

Yes, Hoeilaart offers several easy running routes suitable for beginners or those looking for a less strenuous run. These routes allow you to enjoy the natural beauty without significant elevation changes. For example, the Nature Run Sonian Forest (short variant) is a moderate 3.8-mile path that provides a taste of the forest's tranquil environment.

Can I find circular running routes in the Hoeilaart area?

Many of the running routes around Hoeilaart are designed as circular paths, allowing you to start and finish at the same point. This is convenient for parking and accessibility. An example is the Lit tunnel loop from Hoeilaart, which is a 6.9-mile trail through the local green belt.

What natural features or landmarks can I expect to see while jogging?

While jogging around Hoeilaart, you'll primarily experience the rich natural beauty of the Sonian Forest, known for its ancient beech trees and unspoiled relief. You might also encounter historical sites and natural monuments. For instance, the Keizer Karelvijver – Zonienwald (Sonian Forest) loop from Groenendaal takes you past the beautiful Keizer Karelvijver pond. Other nearby attractions include the historic Château de La Hulpe and the serene Domaine Solvay.

Are there family-friendly jogging options in Hoeilaart?

Yes, the extensive network of trails, especially within the Sonian Forest and Bois de la Cambre, includes many paths suitable for families. The varied and natural terrains offer safe and enjoyable environments for all ages. Look for shorter, easier routes that avoid significant elevation, such as the Nature Run Sonian Forest (short variant), which is a good option for a family outing.

Are the running trails around Hoeilaart dog-friendly?

Many of the trails in the Sonian Forest and Bois de la Cambre are dog-friendly, making Hoeilaart a great place to run with your canine companion. It's always recommended to keep dogs on a leash and be mindful of local regulations, especially in protected natural areas, to ensure a pleasant experience for everyone.

How can I get to the running trails using public transport?

Hoeilaart is well-connected, and many running trails, particularly those within the Sonian Forest and Bois de la Cambre, are accessible via public transport. Specific bus routes or train stations can bring you close to various entry points of these green spaces. It's advisable to check local public transport schedules for the most convenient access to your chosen starting point.

Is parking available near the jogging routes in Hoeilaart?

Yes, parking is generally available near the main access points to the Sonian Forest and other popular running areas around Hoeilaart. Many trailheads and recreational zones offer designated parking facilities, making it convenient for runners to access the routes. For specific routes, you can often find parking information on the individual tour pages.

What do other runners enjoy most about the trails in Hoeilaart?

The running routes in Hoeilaart are highly rated by the komoot community, with an average score of 4.6 stars from over 80 reviews. Runners frequently praise the extensive green spaces, the tranquil atmosphere of the dense woodlands, and the varied natural terrains that offer a refreshing escape. The proximity to the Sonian Forest is often highlighted as a major draw.

What is the best time of year for running in Hoeilaart?

Hoeilaart offers excellent running conditions throughout much of the year. Spring and autumn provide pleasant temperatures and beautiful scenery with changing foliage. Summer is also great, especially for shaded forest runs. Even in winter, the trails can be enjoyed, though some paths might be muddy or require appropriate footwear. The 'beech cathedral' of the Sonian Forest is particularly stunning in all seasons.

Are there any running routes that pass by water features or ponds?

Yes, some running routes in the Hoeilaart area incorporate beautiful water features. For example, the Long Tail Pond – Long Tail Pond loop from Hoeilaart is an 11.4 km route that takes you past serene ponds, offering picturesque views and a refreshing element to your run.

Most popular routes around Hoeilaart

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