4.3
(2062)
29,600
riders
871
rides
No traffic touring cycling routes in Bertembos En Grevensbos traverse a region characterized by its hilly terrain, situated on a Diestian ridge between Leuven and Sterrebeek. This elevated position offers expansive views across the surrounding areas. The landscape features numerous colluvial valleys and distinctive hollow roads that descend from the Bertembos massif, providing varied perspectives for cyclists. The area is dominated by extensive and ancient forests, primarily Bertembos and Eikenbos/Grevensbos, composed of deciduous trees like oaks and beeches.
Last updated: May 29, 2026
3.8
(9)
26
riders
30.4km
01:54
230m
230m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
41
riders
37.1km
02:13
200m
200m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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19
riders
43.7km
03:32
360m
360m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
18
riders
15.4km
00:56
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.5
(2)
32
riders
19.5km
01:17
120m
120m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Bertembos En Grevensbos
Unless I'm mistaken... but I think it has disappeared... in any case, one of the <F3> has disappeared...
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A walled and hedged cemetery surrounds the parish church. The brick cemetery wall on a natural stone plinth is capped with a bluestone coping stone. Both the iron gates above the brick wall and the entrance gate hang from brick gate pillars with a bluestone capping. A pedestrian passageway runs to the left and right of the entrance gate. An undated natural stone cross has been incorporated into the north wall. The historic cemetery contains a series of gravestones from the interwar and postwar periods. They are designed in a sober Art Deco and Modernist style. The gravestones evolve from bluestone to (multicolored) composite stone, mosaic, synthetic material, natural stone, and granite, thus demonstrating the shift in material use between 1960 and 1980. Several epitaphs are placed on marble slabs. Near the entrance is a plot dedicated to Belgian veterans, marked by identical bluestone crosses bearing the Belgian flag. The cemetery expansion, dating from the 1990s, primarily includes granite headstones. The flowerbeds are bordered by clipped hedges and clipped hornbeam volumes. The shift towards ash burials is clearly visible in the newly created scattering meadow and urn vaults. Inventory of Immovable Heritage: Parish Church of St. Anthony with cemetery, https://id.erfgoed.net/erfgoedobjecten/43369
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Church built of sandstone; the floor plan unfolds with a west tower, three naves of three bays, a projecting transept, and a long choir ending in a three-sided apse. Square Gothic tower with three stories dating from the second half of the 13th century; ground floor covered with heavy rib vaults resting on roughly worked corbels; pointed arch towards the nave; upper floor perhaps formerly equipped with a tribune (currently in neo-style); bell storey with decorated sound holes in the east and south facades; rectangular, partially renovated wall openings in the other sides; oculus from the 18th century and neo-Gothic portal on the south side. Nave and transept from the same period, covered with a steep roof in late Gothic style (16th century); brick vaulting in the transepts, but wooden pointed barrel vaulting in the nave. Light corner buttresses against the shouldered gables of the transept arms; the arcade and northeast half-column are possibly older and built together with the choir. Western choir bay covered with a pointed barrel vault (late 15th century); closed-off and blind eastern section in a less developed Gothic style (13th or 14th century), partially rebuilt of iron sandstone in large and regular bond; new window in the north; the date 1731 on the choir apse probably indicates a restoration. Furniture. In the transepts, paintings by Verhaghen (late 18th century); Romanesque baptismal font decorated with four heads (12th century) and a Gothic holy water font (16th century). Inventory of Immovable Heritage: Parish Church of St. Anthony with cemetery, https://id.erfgoed.net/erfgoedobjecten/43369
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Heverleebos. Forest on the outskirts of the magnificent city of Leuven. Its paths, perfect for gravel riding, hosted the 2023 European Gravel Championships (with victories by Lorena Wiebes and local rider Jasper Stuyven) and the 2024 Gravel World Championships (with victories by Marianne Vos and Mathieu van der Poel).
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This monumental pulpit was made for the abbey church (Norbertines) of Ninove and consists of a rock and two palm trees. At the bottom, the conversion of Norbert is depicted, and Peter in a cave. In 1807, it was transferred to St. Peter's Basilica in Leuven. Source and more: https://ornamentsnijder.blogspot.com/2024/05/preekstoel-in-de-collegiale-sint.html
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St. James' Church is one of Leuven's five medieval parish churches, located in the west of the city, approximately 500 meters outside the first city walls. The former cemetery of St. James' Church is enclosed by Brusselsestraat, Kruisstraat, Pelgrimstraat, and Sint-Jacobsplein. Stability problems led to the closure of the church building in 1963, which has since undergone major consolidations. The origins of St. James' Church are believed to have been a 12th-century chapel built in the hamlet of Ter Biest, a residential area in the Voer valley. A St. James' Church is first mentioned in 1187 and again in 1222. Along with the parishes of St. Quentin, St. Michael, and St. Gertrude, St. James became an independent entity from St. Peter's Parish in 1252. Besides being a parish church, St. James's Church was also a stop for pilgrims on their way to Santiago de Compostela. Leuven lay on the route of pilgrims traveling from Cologne via Aachen, Maastricht, and Brussels to Paris. Near St. James's Church, the St. Laurentius Hospice for pilgrims was built in the 13th century on Blauwe Hoek (the intersection of Brusselsestraat, Goudsbloemstraat, and Riddersstraat). According to Canon Lemaire, the west tower, the oldest part of the current church, dates from around 1220-1235. A three-aisled nave adjoined the tower; excavations in 1943 revealed the foundations of the aisles. These were narrower than the current aisles, but also extended to the west facade of the tower. A new, wider nave was added in 1290-1300. Inventory of Immovable Heritage: Parish Church of St. James, https://id.erfgoed.net/erfgoedobjecten/42129
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Of this original Romanesque church from the early 13th century, only the tower remains. The transept is also of interest, built between 1457 and 1488 by the architect of Leuven's town hall, Matheus de Layens. Currently closed for restoration work. Source: https://www.visitleuven.be/sint-jacobskerk Today, the church consists of three pillars and was a stop for pilgrims (Saint James and Compostela, as walkers know), which also made it a wealthy church. However, the foundations proved insufficient, and work is underway to improve them.
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There are over 780 no-traffic touring cycling routes in Bertembos En Grevensbos, offering a wide variety of options for all skill levels. You'll find everything from easy, short rides to more challenging, longer tours through the region's diverse landscapes.
The region features a 'hilly character' due to its location on a Diestian ridge, offering 'splendid views' across the Brabant loess plateau. You'll encounter varied terrain, including both paved surfaces and unpaved sections, as well as distinctive 'hollow roads' that descend from the Bertembos massif. One notable example is the beautiful Hollow Road of Stierke.
Yes, many routes are suitable for families. The broader Flemish Brabant region boasts an 'extensive cycling network' with dedicated bike paths, making navigation easy. For a specific example, the Bertembos and Eikenbos Loop is an easy touring cycling route of approximately 23.5 km, perfect for a family outing. Additionally, the Het Vossenhol Play Forest is a great stop for children along some routes, featuring a natural play area and picnic spots.
The region is beautiful year-round, but spring is particularly enchanting when the forest floor comes alive with 'wood anemones, Solomon's seal, lily of the valley, and May bells'. Autumn also offers stunning colors. While cycling is possible in winter, some unpaved sections and hollow roads can become slippery in wet conditions, so exercise caution.
Beyond the natural beauty, you can discover several interesting spots. The Former Hunting Lodge in Bertem Forest offers a glimpse into history, while the Het Vossenhol Play Forest is ideal for a break with children. Keep an eye out for the unique 'Poetry Tree' where local poems are displayed. The Hollow Road of Stierke is also a notable natural feature.
Yes, many routes in the area are designed as loops, allowing you to start and end at the same point. An excellent example is the Bertembos and Eikenbos Loop, which takes you through the heart of the forest complex. Another option is the Bicycle Street Kampenhout – Leuven–Dijle Canal loop from Veltem, a moderate 53 km route.
The routes cater to all fitness levels. You'll find a good mix of easy, moderate, and difficult options. There are 364 easy routes, 258 moderate routes, and 159 difficult routes. Easy routes like the F8 Cycle Highway Tildonk – Kruineike Bridge - Tildonk loop from Veltem are generally shorter with minimal elevation gain, while more challenging routes might include steeper climbs and varied surfaces.
The region is well-connected within the broader Flemish Brabant area. While specific public transport links directly to every trailhead may vary, the extensive cycling network and connectivity between areas like Bertembos, Meerdaalwoud, and Zoniënwoud suggest good accessibility. It's advisable to check local bus or train schedules to nearby towns like Bertem or Leuven for the most convenient access points.
The area is highly rated by the komoot community, with an average score of 4.36 stars. Reviewers often praise the quiet woodlands, the 'splendid views' from the Diestian ridge, and the unique experience of cycling through the 'changing, often unexpected but mostly fascinating perspectives' offered by the hollow roads. The well-developed cycling infrastructure and the chance to spot wildlife also contribute to its popularity.
Many natural areas in Belgium, including parts of Bertembos En Grevensbos, are dog-friendly, especially on designated paths. However, regulations can vary, particularly within nature reserves like Bertembos and De Koeheide Nature Reserve. It's generally recommended to keep dogs on a leash to protect wildlife and ensure a pleasant experience for all users. Always check local signage for specific rules.
While specific parking locations for every trailhead are not detailed, the region is generally accessible. For routes starting near towns or villages like Bertem or Veltem, you can typically find public parking facilities. It's recommended to check maps or local information for designated parking areas close to your chosen starting point.


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