4.8
(10)
584
runners
22
runs
Jogging around Hallerbos offers an immersive experience within an ancient woodland characterized by diverse tree species and undulating terrain. The forest features four deep valleys, providing varied elevation changes for running routes. This 552-hectare protected area south of Brussels is known for its extensive network of paths suitable for different fitness levels.
Last updated: July 4, 2026
4.8
(5)
334
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
104
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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29
runners
6.45km
00:41
30m
30m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
16
runners
19.6km
02:12
200m
200m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
6.04km
00:39
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Walk in the fields and view, among other things, the Lion of Waterloo
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A green oasis around the lake.
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Fairly well marked, one or two nice climbs.
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The Hallerbos (French: Bois de Hal) is a forest with an area of 552 ha southeast of Halle (511 ha on Halle territory). The forest is largely owned by the Flemish Region and a small part by the Walloon Region and private properties. The Hallerbos is a quiet recreation area, which is highly appreciated by the population of the surrounding highly urbanized areas. It is very accessible thanks to the many paths, and for an introduction there are three hiking trails. The forest is part of the Flemish Ecological Network, has been a Flemish nature reserve since 2021 and is protected in Europe as a Natura 2000 area 'Hallerbos and nearby forest complexes with source areas and heaths' (BE2400009) (together with other sub-areas such as the Markvallei, Zuunvallei with the Gaasbeek domain, De Wolfsputten, Kesterbeekvallei, Kesterheide, the Terrijst forest reserve, Lembeekbos, Zevenbronnen, Gasthuisbos, Begijnenbos). Since 2023, the forest has been part of the Brabantse Wouden National Park.
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The Hallerbos (French: Bois de Hal) is a forest with an area of 552 ha southeast of Halle (511 ha on Halle territory). The forest is largely owned by the Flemish Region and a small part by the Walloon Region and private properties. The Hallerbos is a quiet recreation area, which is highly appreciated by the population of the surrounding highly urbanized areas. It is very accessible thanks to the many paths, and for an introduction there are three hiking trails. The forest is part of the Flemish Ecological Network, has been a Flemish nature reserve since 2021 and is protected in Europe as a Natura 2000 area 'Hallerbos and nearby forest complexes with source areas and heaths' (BE2400009) (together with other sub-areas such as the Markvallei, Zuunvallei with the Gaasbeek domain, De Wolfsputten, Kesterbeekvallei, Kesterheide, the Terrijst forest reserve, Lembeekbos, Zevenbronnen, Gasthuisbos, Begijnenbos). Since 2023, the forest has been part of the Brabantse Wouden National Park.
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The gravel path in the Hallerbos takes you through a fairytale environment, best known for its famous purple flower carpet of wild hyacinths in spring. This well-trodden path winds through dense beech forests, where the sunlight falls beautifully through the tall trees and gives the forest a serene atmosphere.
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This is the "Echtdreven" and indeed eight lanes meet here! A special place. 1. Zwarte Notelaarsdreef; 2. Lorkensdreef; 3. Platanendreef; 4. Vlasmarktdreef; 5. Zwarte Notelaarsdreef (the extension) 6. Lindendreef; 7. Platanendreef (extended) 8. Vlasmarktdreef (extended)
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Hallerbos offers a comprehensive network of over 20 running routes, catering to various preferences and fitness levels. These trails wind through ancient woodlands and undulating terrain, providing a diverse and engaging experience for runners.
The running routes in Hallerbos offer a good mix of difficulties. You'll find a few easy trails, a majority of moderate paths, and some more challenging options. This variety ensures there's something suitable for every runner, from beginners to those seeking a more strenuous workout.
The running trails in Hallerbos are highly regarded by the komoot community, boasting an average rating of 4.8 stars from over 8 reviews. More than 500 runners have explored these paths, often praising the serene atmosphere, diverse landscapes, and well-maintained trails.
Hallerbos features an undulating landscape with four deep valleys, meaning you can expect varied elevation changes throughout your run. The trails traverse ancient woodlands primarily composed of beech, oak, and birch trees, offering a mix of forest paths and scenic views.
Absolutely! While running in Hallerbos, you can encounter several notable natural features. Keep an eye out for the impressive stands of giant sequoia trees, particularly along the Sequoias in Hallerbos. The Steenputbeek Valley offers beautiful scenery, and the tranquil Kapittelvijver lake is another picturesque spot.
The most magical time to run in Hallerbos, especially if you wish to see the famous bluebell carpet, is from late April into May. During this period, the forest floor transforms into a breathtaking sea of violet-blue flowers, creating a truly unique and enchanting running experience.
Yes, for those looking for a longer challenge, Hallerbos offers routes like the Sept Fontaines Lake – Mill Pond loop from Essenbeek. This route covers nearly 20 kilometers (12.2 miles) and includes significant elevation changes, making it a demanding yet rewarding option for experienced runners.
Many of the paths in Hallerbos are suitable for families, especially those looking for a less intense pace. While some routes have undulating terrain, there are also flatter sections and well-maintained trails that can be enjoyed by all. The forest's natural beauty makes it a great place for a family outing combined with some light jogging or walking.
Hallerbos is generally dog-friendly, and you can bring your dog on the running trails. However, it's always recommended to keep your dog on a leash to protect the local wildlife and ensure a pleasant experience for all visitors, especially during the sensitive bluebell season.
Yes, there are several designated parking areas around Hallerbos, making it convenient for runners to access the trails. These parking spots are typically located at various entry points to the forest, allowing you to start your run directly from your car.
Hallerbos is located just south of Brussels and is accessible by public transport. You can typically take a train to Halle and then connect with a local bus service that stops near the forest entrances. For detailed and up-to-date schedules, it's best to check the official public transport websites for Belgium.
Yes, many of the running routes in Hallerbos are designed as circular loops, allowing you to start and finish at the same point without retracing your steps. An example is the Kapittelvijver – Hallerbos — The Bluebell Forest loop from Ligne KW, which offers a moderate 7.8 km (4.8 miles) run through diverse forest sections.
Absolutely. For those new to running or looking for a lighter workout, routes like the Hallerbos – Gravel Path in Hallerbos loop from Hallerbos - Bois de Hal are excellent choices. This moderate 6.0 km (3.7 miles) trail leads through ancient woodlands and can typically be completed in about 40 minutes, offering a gentle introduction to the forest's beauty.


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