Best natural monuments around De Maashorst showcase a blend of unique geological features, diverse ecosystems, and historical significance within this nature reserve. The area is known for its "process nature," where natural development is largely left to its own devices, fostering increased biodiversity. Visitors can explore various landscapes, from seepage areas to ancient burial mounds, offering insights into both natural processes and human history. This commitment to natural development ensures a dynamic and evolving environment for exploration.
Last updated: August 20, 2026
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Wonderful cycling in the middle of nature.
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Slabroekse heath wonderfully beautiful and sand drifts
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I first read on the sign 'you see the beech', I looked for it but only understood it later... learned something new again.
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These high, marshy areas with iron-rich seepage water are called wijstgronden, a rare phenomenon that is nowhere in Europe as visible as near Uden. That is why the province of Noord-Brabant declared the special area “De Wijstgronden” in 2004 as the first geological monument in the province. At the moment there is even the ambition to have the entire area around the Peelrandbreuk recognized as Unesco Geopark Peelhorst.
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The Peelrand fault is clearly visible in the landscape in several places. For example, in the Sint Annabos near Uden you can see a height difference or steep edge of almost 2 meters. It is also noticeable that the vegetation on the high part of the fault is different from that on the low side. This is because the soil on the high side is much wetter. Soil scientists would normally expect it to be the other way around, but due to the tectonic movement of the soil, the density of the soil around the fault plane is much greater and practically impermeable to water. As a result, the groundwater that flows from the higher Peelhorst towards the lower Roerdalslenk is forced to the surface at the Peelrand fault. This groundwater naturally contains a great deal of dissolved iron. As soon as the iron particles come into contact with oxygen, rusty deposits form on the soil. If this process is repeated in the same place over and over again, large, hardened iron concentrations can form: the iron ore banks.
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Here you can find the big five of the Maashorst The wisping the The ex moor pony the tourussen the sheep and the horse
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The Peel Edge Fault is a geological fault line that owes its name to the Peel.
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Spectacular archaeological discoveries have been made in De Maashorst in recent years. For example, archaeologists found royal tombs from the early Iron Age, a cemetery from late prehistory, the largest bronze deposit in the Netherlands from Roman times and a number of forgotten villages from the Middle Ages. Tangible memories from (pre)history that are still present and visible in the current landscape. Admire the ancient treasures with a guide or go on a discovery tour yourself.
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De Maashorst is home to the unique Wijstgronden, high, marshy areas where iron-rich groundwater rises to the surface, creating distinctive orange-brown streams. You can also observe the subtle effects of the Peelrand Fault, a significant geological fault line that shaped the region's landscape over millions of years, visible in elevation differences and the Wijstgronden themselves.
Yes, De Maashorst has a rich history visible in its natural monuments. You can visit the Princely Graves and Post Graves of De Maashorst, where spectacular archaeological discoveries, including royal tombs from the early Iron Age, have been made. Another significant site is Urnfield Slabroek, featuring numerous burial mounds on the Slabroekse Heide, evidence of ancient human habitation.
De Maashorst is known for its rewilding efforts. You might spot large grazers like European bison, Tauros (a breed reminiscent of ancient wild cattle), and Exmoor ponies, which play a crucial role in shaping the landscape. The area around Udensedreef Burial Mound is particularly known for grazing animals. Additionally, the region supports various bat species, with monitoring projects in place, as highlighted by the Bat natural monument.
Many natural monuments in De Maashorst are suitable for families. The Princely Graves and Post Graves of De Maashorst, Udensedreef Burial Mound, and Urnfield Slabroek are all categorized as family-friendly. These sites often offer easy paths and opportunities to learn about history and nature together. The reconstructed burial mound also offers relaxing walks with natural beauty.
De Maashorst offers diverse outdoor activities. You can enjoy cycling on routes like the 'Park Along the Raam' or 'Forest trail in De Maashorst' from the Cycling around De Maashorst guide. For gravel biking, explore routes such as 'Scenic Gravel Path' or 'Defensie Canal Gravel Path' found in the Gravel biking around De Maashorst guide. There are also easy hikes like 'Slaloming through the nature of Slabroek' or 'Slabroek heathland – Wijst Grounds Peelrand Fault' from the Easy hikes around De Maashorst guide.
De Maashorst boasts a varied terrain, including extensive forests, open heathlands, shifting sands (drifting dunes), and fens. This diversity creates a wide array of habitats, supporting rich plant and animal life. You'll find a blend of these environments, offering different natural experiences within the same reserve.
De Maashorst offers beauty year-round. Spring brings blooming flora and active wildlife, while summer is ideal for longer hikes and cycling. Autumn transforms the forests with vibrant colors, making it a picturesque time for exploration. The unique Wijstgronden are visible throughout the year, but the overall 'process nature' experience is dynamic with each season.
Yes, De Maashorst has a network of trails. The Udensedreef Burial Mound, for example, is part of an easy and beautiful cycle path through forest and heath. Many historical sites are integrated into walking and cycling routes, allowing you to explore the natural and historical elements simultaneously. You can find various routes in the cycling, gravel biking, and hiking guides for the region.
The Slabroekse Bergen are hills that stand as a testament to centuries of farming practices and natural processes. Located near the Urnfield Slabroek, these features offer both natural beauty and a direct connection to the area's ancient human history, showcasing how human activity has shaped the landscape over time.
Absolutely. De Maashorst is rich in ancient history. Sites like the Princely Graves and Post Graves and Urnfield Slabroek contain burial mounds and archaeological discoveries from the Iron Age and late prehistory. These tangible memories are still visible in the landscape, offering a fascinating glimpse into how people lived and buried their dead centuries ago.
De Maashorst is celebrated for its 'process nature,' a management approach where natural development is largely left to its own devices. This means minimal human intervention, allowing ecosystems to evolve naturally. This commitment fosters increased biodiversity and creates a dynamic, ever-changing environment, giving visitors a sense of a 'primal feeling' and a glimpse into a rewilding landscape.


Extend your search for the best caves by checking out these guides of the top ones around De Maashorst: