4.2
(663)
7,249
riders
253
rides
Mountain biking in Jongenbos offers routes through a verdant sanctuary characterized by sandy loam soils and unique geological formations like "donken" and clay deposits in its stream valleys. This protected area, part of the Natura 2000 network, features extensive forests and a diverse landscape at the transition zone between the sandy Kempen and the loamy Haspengouw. The terrain provides varied conditions for mountain bikers, from forest paths to more open areas.
Last updated: May 7, 2026
4.5
(11)
150
riders
45.3km
02:57
370m
370m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.4
(18)
115
riders
45.2km
02:46
240m
240m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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24
riders
112km
06:45
770m
770m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.0
(2)
13
riders
46.9km
02:27
90m
90m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
16
riders
84.6km
05:04
220m
220m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
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This section, together with the water lock and the outer bailey, belongs to the oldest parts: in the Apostles' House, remains of the late Gothic ordinance from the second half of the 16th century from the building campaign of Land Commander Wijnandt van Brijel have been preserved. The complex is located at the highest point of the domain, on the eastern side of the commandery. Seven avenues converge at the gate, symbolizing the Seven Sorrows and Joys of Mary. To the right of the gatehouse was the now disappeared Apostles' House; it was an L-shaped building of two storeys, with a chapel on the ground floor, and twelve rooms for needy men, hence the name Apostles' House; late Gothic core from the second half of the 16th century, enlarged and adapted in 1716-1726, under Commander Damian Hugo von Schönborn, as indicated by a facade stone. After World War II, the Apostles' House slowly deteriorated but has since been restored.
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The Katteberg is said to owe its name to a quarry in the nearby Leten called 'In de Kat'. This nature reserve on the Demer is very varied with its fish ponds, species-rich meadows, rough areas, an orchard and a slope forest. The walking path that leads via the Leterweg to Alden Biesen follows the route of a vanished tram line. This was built in 1908-1910 to connect the industrial area of Liège with the Limburg coal mines. The tram line had to bridge a height of 25 meters here and crossed the Demer via a double arched bridge in masonry. The tram tracks were removed in 1952. The pond behind the tram bridge was created by the extraction of clay for the Belisia tile factory in the Zeepstraat.
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At the end of the Second World War, the youth movements of Hoeselt built this chapel under the leadership of the assistant priest Vliegen. In the back wall, a large field cross is embedded with the text: 'and no one who guesses my origin or knew my destination'. But the origin of the cross is no mystery: it was the only survivor of a series of field crosses that stood along the old road between Hoeselt and Alden Biesen. The field crosses recalled a bloody piece of history: the people of Hoeselt had attacked some servants from Alden Biesen. Those who managed to escape were caught up and killed at the Biesenveld. The TEUTONIC ORDER erected these field crosses in memory.
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Sunken roads only occur in hilly regions. They are typical of the loess region. They were created by human intervention. They were used as connecting roads between farm and field, and due to frequent use, loose sand was washed down the slope with every rain shower. In this way, the road became increasingly hollowed out. A sunken road has a mild temperature; the wind has no hold on it. The silence is also noticeable during a walk in the shelter of a deep lane.
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The Katteberg follows the route of an old tramway. A climb not to be underestimated awaits you here. Historical context: This semi-hardened gravel path follows the route of the former tram line that connected the coal mines of Genk with the industrial area of Liège. The construction of the tram line began in 1908. To overcome the difference in altitude between the station and the hamlet of Leten, an earthen embankment was built over a distance of 700 meters, cutting straight through the Katteberg. A double arch bridge in masonry was built over the Demer river. The steam tram was put into operation in 1910 and caused a huge increase in passenger traffic in the region. The tram was definitively taken out of service in August 1948. The tram tracks were removed in 1952. Now, this is a route where recreational users, hikers, and cyclists can cross paths. Each at their own pace, enjoying together.
7
0
Cycle bridge next to the road bridge. A beautiful structure for a safe crossing.
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The chapel at Oetersloven is also known as the chapel of the Bokkenrijders (Goat Riders). Jan van Muysen, a clog maker from Wellen, had left a letter of complaint at the farm of Jan Wouters from Ulbeek, demanding a large sum of money, or else his farm would be set on fire. The money was to be placed in a hole near the chapel. Wouters, however, recognized Van Muysen, despite his disguise. Jan van Muysen was arrested as a goat rider on April 1, 1774, and beheaded on June 16 of the same year in the Bonderkuil in Wellen.
3
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This is not the Donnea castle, the Donnea castle is located on the Tongersesteenweg in Guigoven: https://www.komoot.com/nl-nl/plan/@50.8369945,5.4012574,18.095z?sport=hike&constitution=2&waypoint=poi:6YOUd
4
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Jongenbos offers a wide selection of mountain bike trails, with over 250 routes to choose from. These include options for various skill levels, with approximately 48 easy, 182 moderate, and 26 difficult trails.
The terrain in Jongenbos is characterized by sandy loam soils and extensive forests, situated in a transitional zone between the sandy Kempen and loamy Haspengouw. While generally nearly flat and accessible, you'll find varied conditions from forest paths to more open areas, including unique geological features like "donken" and clay deposits in stream valleys. It's ideal for a relaxed cycling experience rather than highly technical descents.
Yes, Jongenbos is well-suited for family outings due to its 'nagenoeg vlak' (nearly flat) and easily accessible paths. Many of the 48 easy routes are perfect for families looking for a leisurely ride without significant technical challenges. The varied path network allows for enjoyable rides for all ages.
You can explore several interesting points while riding. The area is historically significant, centered around Jongenbos Castle. You might also encounter the Avenue with a view of Jongenbos Castle or ride through the tranquil Jongenbos forest itself. The pond behind the castle is also a historical feature.
Yes, many of the mountain bike routes in Jongenbos are designed as loops. For example, the View of Guigoven Castle – Holloway Path loop from Vliermaal offers a moderate 45.2 km ride, allowing you to start and finish at the same point.
Jongenbos offers a range of difficulty levels. While it's not known for extreme technical challenges, you'll find routes categorized as easy, moderate, and difficult. For instance, the Essers Singletrack – Forest Singletrack Descent loop from Diepenbeek is rated as difficult, while many others are moderate or easy, catering to different experience levels.
The mountain bike trails in Jongenbos are highly regarded by the komoot community, with an average rating of 4.2 stars from over 600 reviews. Riders often praise the varied terrain, the extensive forests, and the overall enjoyable experience in this green oasis.
Absolutely. With 48 easy routes and a generally 'nearly flat' landscape, Jongenbos is an excellent destination for beginner mountain bikers. The paths are typically well-maintained and do not present significant technical obstacles, making it a pleasant environment to gain experience.
Jongenbos is a green oasis with rich biodiversity. You might encounter species like the European pine marten and Bechstein's bat in the older parts of the forest. The open spaces at the forest's edge host rare flora and fauna such as the brown argus butterfly and devil's-bit scabious. In spring, the forest floor is carpeted with vibrant flora like wood anemones and wild hyacinths.
Yes, for experienced riders looking for a longer challenge, the Roman Road – De Herkwinning viewpoint loop from Diepenbeek is a difficult route spanning over 113 km. This trail offers a significant distance and elevation gain for those seeking an extended adventure.
While specific parking locations are not detailed in the guide, the area around Jongenbos Castle is a common starting point for exploring the region, and parking facilities are typically available near such popular attractions. It's advisable to check local signage upon arrival.
A great moderate option is the De Kuil (Zonhoven Sand Pit) – Forest Singletrack Descent loop from Diepenbeek. This route covers approximately 48.3 km and offers a balanced challenge through varied terrain, including forest singletrack.


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