Best attractions and places to see around Olen include a blend of historical sites, natural landscapes, and cultural points of interest. This municipality in the Belgian province of Antwerp offers diverse exploration opportunities. Visitors can discover ancient structures, serene natural reserves, and engaging cultural institutions. The region features rivers, fens, forests, and heathlands, providing varied outdoor experiences.
Last updated: May 9, 2026
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The Grote Nete, roughly speaking, marks the transition to the Kempen region. This rain-fed river flows through a diverse landscape with vast marshlands, sandy grasslands, and mixed forests. The Grote Nete valley includes the Grote Laak, Kleine Laak, Rode Laak, Wimp, Herselt Loop, and Zaartloop. Source and more (with hiking tips) at https://www.landschapsparkdemerode.be/vallei-van-de-grote-nete
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Over the years, the castle was modernized and updated. This included the tower, whose heavy line of the fortified wall was broken by irregular window and door arrangements. The castle still houses remarkable works of art. The neo-Gothic armory houses a cast-iron stove from 1539 and two marble Renaissance mantelpieces. The castle also contains important paintings, tapestries, gold leather wallpaper, and furniture in a variety of styles. (Municipality of Westerlo)
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A beautiful bridge over the Grote Nete river, not far from Merode Castle. You must cross the bridge to continue along the Grote Nete.
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The castle has been the pride of Vorselaar for centuries. Around 1270, the first stone was laid by the knights of Rotselaar. The ground plan has been largely preserved to this day. The castle houses a treasure trove of history and stories, and has been inhabited by noble families all this time.
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Very beautiful medieval castle in the middle of a beautiful forest. A real relief to come here and walk undisturbed.
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The Grote Nete rises northeast of Hechtel, about 1.5 km from the Dommel (which belongs to the Meuse catchment area). From Lier it flows together with the Kleine Nete and forms the Nete or the Beneden Nete. The Grote Nete lies further south than the Kleine Nete and flows through the municipalities of Meerhout, Balen, Geel-Oosterlo, along Laakdal, Westerlo, Herselt, Westmeerbeek, Hulshout, Booischot, Heist-op-den-Berg, Hallaar, Itegem, Herenthout, Berlaar, Bevel, Kessel and Lier. At the confluence with the Kleine Nete, the Grote Nete paradoxically has a smaller discharge than the Kleine Nete. Source: Wikipedia
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bridge over the large Nete, over which the path between Westerlo and Bergom runs.
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Olen offers several historical sites. You can explore the grounds of Olen Castle, a 14th-century structure, or admire the Gothic architecture of the 13th-century Church of Saint Martin. Don't miss the Borrekens Castle, a privately owned castle set within a forest, or the impressive De Merode Castle, Westerlo, which has been inhabited by the Princes de Merode for over 600 years. The Pots of Olen fountain on the village square also tells a local legend.
Yes, Olen boasts beautiful natural areas. The Zwart Water is a unique fen with surrounding woods and a floating platform for birds. You can also explore Olens Broek, a nature reserve with diverse biotopes, or Domain Teunenberg, a former military domain featuring heathlands and forest edges. The Grote Nete river also offers scenic views and paths.
The region around Olen is excellent for outdoor activities. You can find numerous routes for cycling, mountain biking, and gravel biking. For example, explore the 'Forest Singletrack Trail' for MTB or 'The pot of Olen – Olen Church loop' for an easy cycling tour. You can find more details on these activities and routes on the MTB Trails around Olen, Gravel biking around Olen, and Cycling around Olen guide pages.
Many attractions in Olen are suitable for families. The Zwart Water offers a unique natural experience, and the grounds of Borrekens Castle and De Merode Castle, Westerlo provide picturesque settings for walks. Park de Merel is a popular spot with walking paths and playgrounds. The Bridge over the Grote Nete (Het Trammetje), Westerlo is also considered family-friendly.
Olen offers various walking and hiking opportunities. The Olen Greenway is a scenic path for walking and cycling. You can also find 13 private walking routes throughout the municipality and explore the landscaped walkway in Olens Broek nature reserve. The region's scenic countryside, including forests and fens, provides trails for all skill levels.
For cultural insights, visit the Olen Museum, which showcases the area's history through artifacts and displays. The Radio Museum is also a unique attraction for those interested in the history and technology of radio. The Old Town Hall, while often overlooked, provides a glimpse into Olen's administrative past with its beautiful architecture.
Absolutely! Olen is well-suited for cycling. The Olen Greenway is a dedicated path, and the region is part of various cycling networks. You can enjoy routes through the Kempen landscape along dikes and towpaths, with options for touring bicycles, gravel biking, and mountain biking. The 'Along the Grote Nete' route is a popular choice for cyclists.
The Locks and Hydroelectric Power Station, built in the 1930s, is an interesting engineering marvel. It consists of three locks and a road bridge, and its integrated hydroelectric power plant helps maintain the canal's water level for navigation while generating green energy. It's a functional and historical site worth seeing.
Olen's attractions can be enjoyed year-round, but spring and summer offer pleasant weather for outdoor activities and exploring the natural beauty. Autumn brings colorful foliage to the forests and fens, while winter can provide a serene, quiet atmosphere, especially around the historical sites.
Beyond the traditional attractions, you can experience the Kempen landscape in a unique way by riding Asian e-tuktuks, available for exploring the countryside from the steam sawmill. This offers a fun and different perspective on the region's natural beauty.
Visitors frequently praise the serene and picturesque settings, especially around the castles and natural fens. The unique character of places like The Zwart Water and the historical charm of Borrekens Castle are often highlighted. Many also appreciate the well-maintained cycling and walking paths along the Grote Nete, making it ideal for outdoor exploration.


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