Best canyons around Voeren are characterized by the region's unique topography, featuring an alternation of hills and deep valleys. This landscape, influenced by the Meuse and Geer rivers, offers gorge-like features and significant geological formations. The area includes impressive limestone formations, former quarries, and deeply incised hollow roads, providing diverse natural experiences. These features collectively offer dramatic geological interest for exploration.
Last updated: May 20, 2026
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Along the rippling Geul River, an impressive marlstone wall rises, a silent witness to Limburg's underground landscape. These calcareous rocks were used for centuries for construction and crafts and now offer a fascinating sight for hikers and nature lovers. The wall forms a natural boundary along the water and, in some places, harbors small caves and niches where flora and fauna have found a home. The contrast of the white marl against the green foliage and the glistening water of the Geul makes this a particularly photogenic and tranquil spot during your walk.
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Beautiful part of the walk along the Geul
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When the path that has been running between slopes and sloping forest on one side and the Geul on the other side suddenly starts to rise a bit, you know what is coming: part of the marl crops out and offers you a glimpse of what you can discover if you take one of the paths away from the Geul: quarries and marl.
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Wonderful single track with deliciously scented wild garlic on both sides.
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The Trichterberg quarry is located in the forest to the left of the steep Eckelraderweg, between Gronsveld and Eckelrade. Diagonally opposite are dole chambers. The quarry has been designated as a “Geological Monument”. Steep limestone walls with here and there sawn surfaces and a few small corridor remains are the only remains. Not much is known about the Trichterberg quarry. That is why Peter Jennekens, Kevin Amendt and Rob Habets wrote a source overview for the magazine of the Study Group Underground Limestone Quarries - Natural History Society in Limburg. Based on this, they cautiously conclude that the origin of the quarry must lie somewhere between the years 1846 and 1867. The entire PDF with all sources can be found at https://www.sok.nl (November 2013 edition).
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Text board [see photo] Limestone quarry Trichterberg Geological Monument Limestone quarry Trichterberg In the past, limestone was mined at this location. This limestone was used as building blocks and at a later time for fertilizing (oenergelen) fields and meadows ` In the upper Cretaceous (80 to 65 million years ago) the whole of South Limburg was flooded by a 'Cretaceous sea'. Many plants and animals that are now extinct lived in this tropical sea. The limestone visible here consists of countless skeletons of small plants and animals that formed the plankton. Many large animals also lived in this Cretaceous sea, such as the ten-meter-long 'Mosasaur'. Flint Flint is a hard rock that can form in pure limestone under very special circumstances. Flint consists of pure silica (SiO2). In the Stone Age, this rock was used for making stone tools. Until the last century, flint was used to make fire using the Tinderbox.
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Text board [see photo] Gravel pit Savelsbos Geological monument 'Gravel pit Savelsbos'. From Roman times until around 1950, a mixture of sand and gravel was excavated in this pit to improve and harden roads. Around 1 million years ago, the Maas flowed from Eijsden towards Cadier en Keer. At the end of this period, the Maas valley was filled with a mixture of sand and gravel. The sand, gravel and stones present come from the Vosges and the Ardennes.
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Beautiful path between marl and Geul...
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The Voeren region is characterized by a unique topography of hills and deep valleys, shaped by rivers like the Meuse and Geer. You'll find gorge-like features, impressive limestone formations, and former quarries that offer dramatic geological interest. These areas provide a captivating landscape for exploration, even if not traditional canyons.
Yes, several notable sites offer unique geological insights. The Trichterberggroeve Limestone Quarry is a designated Geological Monument with steep limestone walls and remnants of historical extraction. Another significant site is the Blom Quarry, a former quarry now transformed into a diverse nature reserve. Additionally, the Savelsbos Gravel Pit, used since Roman times, offers insights into different rock layers.
Hollow roads (holle wegen) are deeply incised paths formed over centuries by erosion and human use. While not canyons, they create tunnel-like passages through the landscape, offering a unique and atmospheric hiking experience. You can find these characteristic features throughout the Voeren municipality, especially in areas with steep hillsides, providing a sense of immersion in nature.
Yes, the region offers several family-friendly options. The Hohnbach Valley is known for its versatile trails and is considered family-friendly. The Trichterberggroeve Limestone Quarry is also suitable for families, offering an interesting natural monument to explore.
For exploring the region's unique landscapes, you can find various hiking routes. The Marl Cliff along the Geul offers a narrow path alongside marl walls and the Geul river, showcasing unique geological features. The Hohnbach Valley provides beautiful and varied paths, including daffodil meadows in spring. For more hiking options, explore the Hiking around Voeren guide, which includes routes like the 'Voeren Villages and Veurs Valley Loop'.
The Voeren region is beautiful year-round. Spring is particularly enchanting when daffodil meadows bloom in areas like the Hohnbach Valley. Autumn offers stunning foliage, while summer provides pleasant conditions for longer hikes. Even winter can be rewarding for quiet exploration of the valleys and hollow roads.
The diverse natural areas around Voeren, including rewilded quarries and deep valleys, support a variety of flora and fauna. For instance, the former ENCI quarry at Mount Saint Peter (partially extending into Belgian Limburg) is known for rare orchids and eagle owls. The region's unique microclimate and varied habitats make it a good spot for nature observation.
Yes, the undulating landscape of Voeren offers several scenic viewpoints. The former ENCI quarry, part of Mount Saint Peter, features a viewing platform that provides magnificent panoramas over deep azure lakes and rewilded nature. Many hiking trails throughout the region also lead to elevated spots offering expansive views of the deep valleys and hills.
Beyond hiking, the Voeren region is excellent for cycling. You can find various routes for touring bicycles and road bikes that traverse the scenic valleys and hills. For detailed routes, check out the Cycling around Voeren guide and the Road Cycling Routes around Voeren guide.
The Voeren region stands out for its distinctive 'alternation of hills and deep valleys,' which, combined with its limestone geology, creates a mini-Ardennes feel. Features like the deeply incised 'hollow roads' and the rewilded former quarries, such as the Blom Quarry, offer a unique blend of natural beauty, geological interest, and historical significance, distinct from more dramatic, conventional canyons found elsewhere.
The Voeren region is known for its charming villages nestled within the valleys. Many of these villages offer local cafes and pubs where you can relax and refuel after your hikes. While specific locations vary, you'll often find options conveniently located near popular trailheads or within a short distance of the natural areas.
While public transport options exist to reach the Voeren municipality, exploring the more remote valleys, hollow roads, and specific natural landmarks often requires a combination of public transport and walking, or personal transportation. It's advisable to check local bus schedules to specific villages and plan your routes accordingly.


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