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Orp-Jauche

Top 20 Natural Monuments around Orp-Jauche

Best natural monuments around Orp-Jauche include a variety of geological formations and historical sites. The region features underground cave networks, nature reserves, and ancient burial mounds. These locations offer insights into geological processes, historical human activity, and local biodiversity. Orp-Jauche provides diverse natural features for exploration.

Best natural monuments around Orp-Jauche

  • The most popular natural monument is Seron Tumulus I, a historical site and natural monument that consists of a Gallo-Roman tomb. This tumulus is part of a group of three ancient burial mounds located north of Seron, classified as monuments since 1978.
  • Another must-see spot is Drie Tumuli of Grimde, a historical site and natural monument. These three Gallo-Roman tumuli are notable for their interconnectedness, rich burial contents, and their location along the Sint-Truidensesteenweg.
  • Visitors also love Tumulus of Bortombe, a historical site and natural monument. This Roman tumulus is situated on a hill and features a listed ancient burial mound with a multi-stemmed linden tree at its summit.
  • Orp-Jauche is known for its historical tumuli, underground cave systems, and nature reserves. The area offers a variety of natural monuments to see and explore, showcasing both geological features and human history.
  • The natural monuments around Orp-Jauche are appreciated by the komoot community, with 26 upvotes and 3 photos shared for the highlights.

Last updated: May 17, 2026

Narrow sunken lane

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Narrow sunken road that leads to the nature reserve Roddel...

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Seron Tumulus I

Highlight • Historical Site

The tumuli of Seron are three Gallo-Roman tombs located north of Seron, a hamlet that is part of the communal section of Forville in Fernelmont. With an average height of 6 m and around 25 m in diameter, they are located at the intersection of rue des Tumuli and chemin de Hemptinne aux Tombes, 4.5 km south of the old Roman road called "Chaussée Brunehaut". , and have been classified as monuments since 1978 and included on the List of exceptional real estate heritage of Wallonia.

The three tumuli are listed on Ferraris' maps of 1777 (map 135Ab) as "Tombs of Buhay", while on current IGN maps (map 41/5S) they are listed as " tombs at Seron”. The southern tumulus (T1) and the central tumulus (T2) are juxtaposed and separated by about 35 meters. The third (T3) is isolated to the north. Their respective diameters are 25.25 meters for T1, 28.30 meters for T2 and 25.80 meters for T31.

The tumuli stand on the plateau of Forville culminating at 165 m. This plateau is located at the hinge between the alluvial plains of the Méhaigne to the north and the low plateaus which dominate the Meuse valley to the south. The site is remarkably visible and gives a distant view of the landscapes of Hesbaye Namur.

Some tumuli are placed along the main roads, others along secondary roads. Those of Seron stand in the countryside with no connection to a known close communication route2. They are however distributed along a dirt road and along the small road which joins the village of Meeffe to that of Forville of which Seron is one of the villages.

excavations
In November 1854 and in the spring of 1855, excavations were carried out under the aegis of the Archaeological Society of Namur by its president Eugène del Marmol. The excavation of the T1 tumulus revealed nothing. On the other hand, that of the other two has made it possible to discover various objects: pottery, oil lamps, bottles, funerary urns, fragments of calcined human bones as well as a sestertius of Hadrian which made it possible to date the tombs to the 2nd century. All these objects are in the Archaeological Museum of Namur. The study of the archaeological material makes it possible to place tumulus II (in the center of the group of 3) in a chronological range going from 110 to 150, that is to say the first half of the 2nd century. The sestertius of Hadrian provides the oldest date, between 119 and 121 CE. The majority of the objects collected are found in the usual Roman tombs. The exception, however, is a few beautiful glassworks from Seron II which stand out by the artistic taste they bear witness to and their precious character. No doubt this is the sign of a higher social level2. In spite of the diversity of the found material, it is necessary to announce the presence of a “service” of twelve rooms in the tumulus of Seron II. The presence of a lamp in the same tumulus is explained by the belief of the ancients in the power of lamps: to ward off evil spirits and to enlighten the soul on its journey to the afterlife. Among the objects deposited is also a ribbed glass urn which is probably the container that contained the remains of the cremation of the deceased3.

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Drie Tumuli of Grimde

Highlight • Historical Site

These three Gallo-Roman tumuli, preserved above ground, are located along the Sint-Truidensesteenweg. They are exceptional due to their interconnectedness, their rich burial contents, and the presence of older burials surrounding the mounds.

The fact that the three tombs, which can be dated to the 2nd century, are the only above-ground burial mounds in Tienen makes them special. The exceptional character of the tumuli is also underscored by their rich burial contents. Among the finds are several unique objects, including a cameo depicting Emperor Augustus, a gold engagement ring with an inscription, a silvered bronze fibula, and a gold ingot bearing the name Marcus Probius Burrus.

Inventory of Immovable Heritage: Grimde Tumuli id.erfgoed.net/erfgoedobjecten/301309

I would certainly also advocate for the small park where the tumuli are located, despite the more crowded surroundings. The walk you can take along and around the tumuli, the artworks of the academy that make the whole thing more beautiful (Experience walk Academy Region Tienen or ART) and the very good information boards, also about the hamlet of Grimde and of course Tienen and the Romans, including the tumuli: all good points to include this park in a longer walk.

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Tumulus of Bortombe

Highlight • Historical Site

The tumulus of Bortombe is situated on a hill, and anyone who appreciates a listed ancient burial mound (Roman artifacts were found in the tomb) with a listed lime tree on it will have to sacrifice paved walking paths. But that's the case for most walks in the area, and it doesn't bother me. It's always nice to have a bench and enjoy the views.

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Sinte-Gitter

Highlight • Historical Site

You will walk barefoot along a real zoo, you will test your balance on gigantic tree trunks, you will climb on medieval moth mounds, you will splash around in the water of the Gertrudisbron and stroll along the archaeological site of Sinte Gitter.
You can enjoy a real adventure park where you will have to overcome a number of obstacles without setting foot on the ground.
Target group: everyone Price: 4 euros per person
Closed on Sundays and Mondays
Tue-Fri: 9 am - 6 pm
Sat: 9 am - 5 pm
This archaeological site includes a Merovingian cemetery with a covered archaeological site of church choir foundations and two medieval moth mounds.
This would originally have been the home of Pepijn van Landen, a scion of an aristocratic and very influential family.

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Tips from the Community

JP
May 3, 2026, Smalle holle weg

A narrow hollow way, for sure. But above all a hollow way with a particularly rich life, not least of all the mammals typically found in hollow ways, which like to linger here, as evidenced by all the many tracks and entrances to all sorts of burrows. A delight. And typically Rosdel.

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JP
May 3, 2026, Smalle holle weg

The many sunken roads in Hoegaarden (and its sub-municipalities like here) form valuable lines in the landscape. The preservation of these linear landscape elements was heavily debated in the first land consolidation plans. Through targeted actions, Natuurpunt was able to preserve a series of unpaved country roads. These green corridors are the habitat of the yellowhammer and woodlark. And you enjoy them. Source: https://www.natuurpunt.be/natuurgebieden/rosdel

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JP
February 7, 2026, Tumulus van Bortombe

Centrally at the summit stands an imposing multi-stemmed linden. This tree still has an old trunk base (approximately 2 meters in diameter) with parts of the original residual wall of the previous hollow tree. Several new trunks grew from this residual wall and from trunk base suckers, which now once again form a beautiful, full crown atop the tumulus. Inventory of Immovable Heritage 2026: Linden at Bortombe, https://id.erfgoed.net/erfgoedobjecten/308038

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JP
February 7, 2026, Tumulus van Bortombe

Roman tumulus with a diameter of approximately 20 to 25 meters. The burial mound is located approximately one and a half kilometers from the Roman villa complex of Hemelrijk. In 1863, H. Schuermans and A. conducted excavations there, during which a rectangular burial chamber (2.18 by 2.05 meters) was discovered in the mound. The burial mound partially covered the remains of the funeral pyre southeast of the burial chamber. A wealth of gifts were recovered from the burial chamber: terra sigillata bowls, burnt iron fragments, terra nigra, glass, beads in glass paste, bone and bronze objects, and coins of Faustina I, Tiberius, and Hadrian. Based on the finds, the burial mound could be dated between the second half of the 2nd century and the beginning of the 3rd century. Inventory of Immovable Heritage: Tumulus Bortombe, https://id.erfgoed.net/erfgoedobjecten/302655

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JP
February 7, 2026, Tumulus van Bortombe

The tumulus of Bortombe is situated on a hill, and anyone who appreciates a listed ancient burial mound (Roman artifacts were found in the tomb) with a listed lime tree on it will have to sacrifice paved walking paths. But that's the case for most walks in the area, and it doesn't bother me. It's always nice to have a bench and enjoy the views.

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JP
January 22, 2026, Drie Tumuli of Grimde

The monumental character of the tumuli and their location along a main road to Tongeren served to display the power and wealth of the deceased. This road remained a major traffic artery for several centuries after the Roman era, meaning that passersby were constantly confronted with the monumental mounds. Over time, however, it lost its original purpose as a burial monument, and the area around the three tombs was used for various other purposes. In the first half of the 15th century, the tumuli came into the possession of the Dukes of Brabant, who established a rabbit warren there under the supervision of a gamekeeper, the so-called tombhueder. This person's job was to capture the numerous rabbits and foxes on the estate in exchange for rye. Around 1403-1404, the hunt was placed under the supervision of a warantmeester. In 1450, Philip of Burgundy decided to lease the three tumuli to the city of Tienen, which in turn leased the tumuli, along with the nearby fields, as parcels of land. Those who acquired them had to pay a tax to the duke for exterminating the rabbits. Later, the tumuli became the property of the local Table of the Holy Spirit (a civic institution that cared for the poor). When the Table of the Poor was closed in 1796, its management passed to the directors of the newly established Tienen charity office. Attention to the tumuli themselves gradually revived due to a renewed interest in ancient culture during the 16th and 17th centuries. For example, in the 16th century, the Zaventem tumulus was completely excavated in the presence of Emperor Charles V to reveal its rich grave contents. But it wasn't only scholars and prominent figures who became interested in ancient objects; itinerant soldiers also sought their share of the loot. Thus, many tumuli were sought out by treasure hunters, including the Grimde tumuli. Inventory of Immovable Heritage: Grimde Tumuli https://id.erfgoed.net/erfgoedobjecten/301309

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nice to walk through it

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Viviane
March 23, 2025, Smalle holle weg

A sunken road is a road that is so deeply worn that it lies between two slopes. It is the result of centuries of use and erosion. The most beautiful sunken roads can be found especially in hilly areas with a subsoil that easily forms steep walls, such as in Haspengouw and Hageland.

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Frequently Asked Questions

What types of natural monuments can I explore around Orp-Jauche?

Orp-Jauche offers a diverse range of natural monuments, blending geological features with historical significance. You can explore ancient Gallo-Roman burial mounds like Seron Tumulus I, unique underground cave systems such as the Grottes de Folx-les-Caves and Les Caves Paheau, and regenerated nature reserves like the Natuurreservaat van het Paradijs. The region also features historical sunken roads, exemplified by the Via Longa (Sunken Lane Haspengouw).

Are there any unique geological formations to explore in Orp-Jauche?

Yes, Orp-Jauche is notable for its underground geological formations. The Grottes de Folx-les-Caves are a vast network of man-made caves carved from tuff, a volcanic rock, with chalk and limestone also present in the region's underground sites. Les Caves Paheau are another example of extensive underground quarries excavated in chalk outcrops. Additionally, the Via Longa (Sunken Lane Haspengouw) showcases exposed white sand-lime brick in its steep flanks, offering a glimpse into the local geology.

What historical natural monuments can I visit in the area?

The region is rich in historical natural monuments. You can visit several Gallo-Roman tumuli, which are ancient burial mounds, including Seron Tumulus I,

What is the historical significance of the tumuli around Orp-Jauche?

The tumuli in Orp-Jauche, such as Seron Tumulus I, Drie Tumuli of Grimde, and Tumulus of Bortombe, are Gallo-Roman burial mounds dating primarily to the 2nd century CE. They served as monumental resting places for important individuals, often located along significant Roman roads to display wealth and power. Excavations have revealed rich burial contents, including pottery, glass, and coins, providing valuable insights into Roman funerary practices and the social status of the deceased.

Are there family-friendly natural monuments around Orp-Jauche?

Many of the natural monuments around Orp-Jauche are suitable for families. The historical tumuli, including Seron Tumulus I, Drie Tumuli of Grimde, and Tumulus of Bortombe, offer open spaces for exploration and a chance to learn about ancient history. The Sinte-Gitter archaeological site also provides an adventurous experience with its historical context. For nature walks, the Natuurreservaat van het Paradijs offers tranquil paths and birdwatching opportunities.

Where can I observe wildlife or enjoy nature in Orp-Jauche?

For wildlife observation and enjoying nature, the Natuurreservaat van het Paradijs is an excellent choice. This former quarry has transformed into a 2.62-hectare crater with a pond, rich in flora and fauna, especially birds. Les Caves Paheau and the Grottes de Folx-les-Caves are significant hibernation sites for hundreds of bats, though access to the underground sections is restricted to protect them. The surface area around Les Caves Paheau is also a nature reserve. Additionally, the Via Longa (Sunken Lane Haspengouw) is a protected habitat for diverse animals and plants.

Can I visit the Grottes de Folx-les-Caves?

The Grottes de Folx-les-Caves are currently closed to the general public for independent visits. However, educational visits can be organized through MiaBw. These vast, man-made caves offer a unique journey through geological formations and historical significance, serving as a habitat for bats.

Are there hiking or cycling routes near the natural monuments?

Yes, Orp-Jauche offers various outdoor activities near its natural monuments. You can find numerous routes for gravel biking, mountain biking, and general cycling. For instance, there are cycling routes like the "Orp-Jauche Park – Petit Hallet Gravel Path loop" or MTB trails such as the "Narrow Path Along Brick Wall – Orp-Jauche Park loop." You can explore more options on the Gravel biking around Orp-Jauche, MTB Trails around Orp-Jauche, and Cycling around Orp-Jauche guide pages.

What do visitors enjoy most about the natural monuments in Orp-Jauche?

Visitors particularly appreciate the blend of history and nature found in Orp-Jauche's natural monuments. The ancient tumuli offer a glimpse into Roman history and provide scenic viewpoints. The unique geological features of the caves and sunken lanes are also highly valued for their natural beauty and ecological importance. Many enjoy the tranquility and biodiversity of sites like the Natuurreservaat van het Paradijs, and the opportunity for peaceful walks through historical landscapes.

Is public transport available to reach these natural monuments?

While specific public transport details for each individual monument are not readily available, many natural monuments in rural areas like Orp-Jauche are best accessed by car. It is advisable to check local bus schedules or regional transport options for routes connecting to the nearest towns or villages, and then plan for walking or cycling to the specific sites.

What is the best time of year to visit the natural monuments?

The best time to visit the natural monuments around Orp-Jauche generally depends on your preferred activity. Spring and autumn offer pleasant temperatures for walking and cycling, with lush greenery in spring and beautiful foliage in autumn. These seasons are also ideal for birdwatching in reserves like the Natuurreservaat van het Paradijs. While some sites like the Grottes de Folx-les-Caves are closed to the public, the surface areas of reserves can be enjoyed year-round, though some paths might be muddy in wetter seasons.

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