Best attractions and places to see in Vlaams Natuurreservaat Oudsberg include a diverse landscape of sand dunes, heathlands, and forests. This Flemish nature reserve, part of the larger Duinengordel, features the Oudsberg Dune, known as the highest and largest open sand dune in Flanders. Visitors can explore various natural features, historical sites, and marked trails for hiking and cycling. The area offers a mix of natural beauty and recreational opportunities.
Last updated: July 5, 2026
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Popular around Vlaams Natuurreservaat Oudsberg
A beautiful woodland chapel with a few benches inside for relaxing and unwinding. Next to it is a lovely building especially for birds.
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Beautiful sand dunes with heather, relatively small but well worth it. A highlight of our walk.
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The ideal time to enjoy beautiful colours is certainly the month of September when the heathers are in bloom.
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Beautiful serene place, small climb up through the loose sand
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Beautiful trails, many views
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Beautiful paths, given the sensitive area do not go under the fence
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The heathland on the Oudsbergduin is one of the most impressive, yet also most fragile, nature reserves in the Hoge Kempen National Park. This unique dune area, located between Oudsbergen (Opglabbeek) and Gruitrode, is no ordinary heathland: here you walk across a rare inland dune landscape that formed after the last ice age and is today one of the largest drifting sand complexes in Flanders. 🌬️ Landscape shaped by wind and time The Oudsberg formed thousands of years ago when meltwater and strong winds pushed sand from dried-up riverbeds into high dunes. Centuries of grazing and deforestation left the sand partially exposed, resulting in a dynamic landscape of: • undulating sand plains • vast purple heathlands • juniper bushes and sparse grasslands • pine forests on the edges The result is a remarkable panorama that is constantly changing under the influence of wind, seasons, and management.
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Vlaams Natuurreservaat Oudsberg is renowned for its diverse natural landscape. The most prominent feature is the Oudsberg Dune, Flanders' highest and largest open sand dune, offering panoramic views. Beyond the dune, you'll find extensive heathlands, serene forests (including ancient birch and oak, and 19th-century coniferous plantations), and unique fens like Ruiterskuilen, Turfven, Zwartven, and Broeksven, which are formed in deep, wind-blown depressions.
The Oudsberg Dune is significant as it is the highest and largest open drift dune in Flanders, rising approximately 85-90 meters above sea level. It's a dynamic natural feature, constantly evolving due to sand drifts, and provides breathtaking panoramic views of the surrounding heathlands, forests, and fens. It's also a key part of the larger Duinengordel natural core.
Yes, the reserve features a few points of historical and cultural interest. You can visit the Forest Chapel of Our Lady of Rest (Gruitroderbos), a peaceful spot for reflection and a designated resting point on many trails. Additionally, the Geuzenbaan (Gruitroder Forest) is a historic passageway named after William of Orange's passage in 1568.
The diverse ecosystems of Vlaams Natuurreservaat Oudsberg support a rich array of wildlife. You might spot rare species such as the sand lizard, blue-winged grasshopper, and nightjar. Birdwatchers can look out for woodlarks and tree pipits, while the forests are home to mammals like foxes, weasels, and squirrels, as well as various birds of prey.
Vlaams Natuurreservaat Oudsberg is an ideal destination for various outdoor activities. The reserve boasts dozens of kilometers of marked trails suitable for hiking, cycling, mountain biking, and horse riding. You can find detailed routes for these activities, including specific guides for hiking and running, on komoot.
Yes, Vlaams Natuurreservaat Oudsberg offers several easy walking routes perfect for beginners or families. These trails often lead through the scenic forests and heathlands, with some even passing over the Oudsberg Dune. For specific options, you can explore the easy hikes guide on komoot, which includes routes like the 3.2 km 'Oudsberg Sand Dune – Oudsberg Dune loop'.
While the Oudsberg itself is not directly accessible by car, nearby parking is available. A common starting point is at Camping Zavelbos, from where a 6 km round trip hike leads to the Oudsberg Dune. The main entrance to the reserve is located at Kattebeekstraat 1, 3670 Oudsbergen, with parking facilities often found in the vicinity.
Absolutely! Vlaams Natuurreservaat Oudsberg is very family-friendly. The dynamic landscape, especially the large sand dunes, provides an exciting natural playground for children. Many trails are suitable for families, and the Oudsberg Dune and its surrounding forests offer plenty of opportunities for exploration and wildlife spotting. Highlights like the Geuzenbaan (Gruitroder Forest) are also marked as family-friendly.
The reserve offers unique beauty throughout the year. Spring brings fresh greenery and blooming wildflowers, while summer is ideal for enjoying the heathlands when they are in full bloom, attracting pollinators. Autumn showcases vibrant forest colors, and even winter can be magical with frosty landscapes. The best time depends on your preferred activities and scenery, but the blooming heathlands in late summer/early autumn are particularly stunning.
Yes, dogs are generally welcome in Vlaams Natuurreservaat Oudsberg, but they must be kept on a leash to protect the local wildlife and maintain the natural environment. There are many trails suitable for walking with your dog, allowing you both to enjoy the diverse landscapes of dunes, heathlands, and forests.
Beyond the impressive Oudsberg Dune, the reserve is characterized by its extensive heathlands, which are particularly beautiful when in bloom. It also features significant fens, such as Ruiterskuilen, Turfven, Zwartven, and Broeksven, which are unique wetlands formed in deep depressions. The surrounding forests, a mix of natural birch and oak, and planted coniferous trees, also contribute to the area's rich biodiversity.
Visitors frequently praise the breathtaking panoramic views from the Oudsberg Dune, often describing it as a 'must-see' and a 'beautiful serene place'. The diverse landscape, with its mix of sand, heath, and forest, is highly appreciated for its natural beauty and tranquility. Many also enjoy the well-maintained trails for hiking and cycling, and the peaceful atmosphere of spots like the Forest Chapel.


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