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Discover the underground world of Valkenburg on this 1.5-hour cave biking tour through ancient tunnels, led by expert guides, with breathtaking history and atmosphere.
Explore the unique experience of Valkenburg’s Cave Biking Underground Bike Tour, a 1.5-hour guided adventure that takes you deep into the centuries-old Sibbergroeve caves in the Limburg Province of the Netherlands. This tour, rated 4.6 out of 5 based on 122 reviews, offers an exciting way to see the underground landscape while riding a specially designed cave bike. The tour departs from Daalhemerweg 150 and promises a blend of historical insights and physical activity, making it ideal for explorers eager to experience Valkenburg’s subterranean secrets firsthand.
While the tour involves descending 163 steps into the cave system—with no elevator—its accessibility is limited for those with certain health issues. However, the guides are attentive to visitor needs, and the underground environment offers a distinct atmosphere filled with historical writings, expansive chambers, and mysterious tunnels. It’s a great choice for those wanting a combination of adventure, history, and a little physical challenge.


The Valkenburg Cave Biking Tour offers a rare chance to ride through underground tunnels that stretch beneath the town. The guided tour uses cave bikes, specially designed to navigate narrow, low, and spacious sections of the ancient Sibbergroeve. The experience is primarily about adventure and discovery, with your guide leading you through left and right turns, high ceilings, and tight spaces.
The atmosphere is notably quiet and dark, illuminated only by your bike light. As you glide through these historical tunnels, you’ll notice large open spaces and walls covered with writings, which add a layer of mystery and storytelling to the environment. Periodic pauses allow for reflection and taking in the atmosphere while absorbing the 40-meter-deep stories hidden within the rocks.
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The tour begins at a small house made of yellow limestone next to the roundabout at Daalhemerweg 150, which serves as the check-in location. Here, a courteous team provides all necessary information before descending into the caves. Just behind this building, visitors will find a large free parking lot, making access straightforward.
Once checked in, participants descend 163 steps into the underground tunnel system where the guide awaits to start the adventure. The starting point’s easy accessibility and the proximity of parking are practical benefits that make the experience convenient for visitors.

Led by knowledgeable guides, the tour explores the Sibbergroeve, a 200-year-old limestone quarry that has played a significant role in the local area’s history. The deep, dark tunnels reveal walls adorned with historical writings, which help paint a picture of the caves’ past use.
The stories embedded in the rock tell of centuries of quarrying, with the 40-meter-deep chambers holding clues to the caves’ former life. The tour emphasizes the atmosphere of the underground landscape, where every turn uncovers something new—whether it’s a narrow passage or a vast open space.

This adventure involves descending 163 steps into the cave system—a key consideration for anyone with back, neck, or heart issues. The environment is dark, confined, and uneven, so participants should be prepared for a physically active experience. Comfortable clothing and a jacket are recommended, as the underground temperature remains cool.
The tour is not suitable for children shorter than 140 cm. Those who are less comfortable in dark, enclosed spaces may want to evaluate their suitability before booking. The guides are attentive and will help ensure a safe experience for all, but physical readiness remains an important factor.
More Great Tours NearbyThe combination of biking and exploring underground tunnels sets this tour apart from typical cave visits. The special cave bikes allow for a more engaging and active exploration of the underground landscape. Riders get up close to the historical walls and chambers, providing a hands-on experience that’s both fun and educational.
The atmosphere of quiet darkness and the dim glow of headlights create a mysterious environment that enhances the sense of adventure. This tour offers a different perspective of Valkenburg’s caves—not just walking through, but actively riding through the labyrinth of tunnels with the guide sharing stories and historical insights.

The meeting point at Daalhemerweg 150 is straightforward, with free parking nearby. The tour lasts about 1.5 hours, with starting times available throughout the day. The live guides speak both Dutch and English, ensuring clear communication for international visitors.
Participants are advised to bring a jacket for comfort and should avoid sandals or flip-flops. The flexible cancellation policy allows for full refunds up to 24 hours in advance, giving travelers peace of mind when planning.
Once underground, the guiding experience is immersive and informative. The guide takes you left, right, up, and down through the tunnels, sometimes bending low to duck beneath low ceilings. Regular pauses allow for rest and reflection, where you get a chance to appreciate the historic environment.
The darkness and silence are part of what makes this experience special, and the dim light from the bikes reveals walls covered in writings and vast open spaces. The atmosphere is serene and mysterious, with the stories enclosed within the rock layers bringing the caves’ history to life.
Guides are knowledgeable and attentive, ensuring a safe and enjoyable experience. They share insights about the caves’ history and manage the group’s pace through the narrow and spacious sections. The storytelling style emphasizes the adventure and historical context rather than just technical riding.
Visitors appreciate the consideration for those with claustrophobia or concerns about tight spaces, as the guides accommodate where possible. The calm, informative approach enhances the mysterious, historical ambiance of the underground tunnels.
This tour maintains a high rating of 4.6 out of 5, based on 122 reviews. A typical positive comment highlights the respectful guiding, the scenic diversity of the tunnels, and the safety precautions taken during the experience. Many note how the dark, quiet environment and historical writings make the tour memorable.
A review from Germany mentions that after an engstliche (claustrophobic) section, the cave widens out, which relieved the participant and showed the guides’ consideration. This feedback illustrates the tour’s attentiveness to guest comfort.
The Valkenburg Cave Biking Tour offers a distinctive way to explore the caves of Valkenburg, combining physical activity with history and atmosphere. The guided experience through ancient tunnels on cave bikes creates a sense of adventure and discovery in a quiet, dark environment filled with stories.
While descents involve stairs and the environment is confined and dark, the unique combination of biking and exploring makes this tour a memorable experience for those who enjoy active sightseeing and historical exploration. Perfect for adventurers, history enthusiasts, and those seeking a different perspective on Valkenburg’s underground landscape.
Is prior cycling experience needed?
No, but participants should be comfortable riding a bike, as the tour involves cave biking on specialized bikes.
How long is the tour?
The total duration is 1.5 hours, including riding and pauses.
What should I bring?
A jacket is recommended for comfort; no sandals or flip-flops are allowed.
Is the tour suitable for children?
Those over 140 cm tall can participate, but the environment may be challenging for very young children.
Are guides available in languages other than Dutch?
Yes, live guides speak both Dutch and English.
Can I cancel the booking?
Yes, full refunds are available if canceled up to 24 hours in advance.
What if I have health issues?
Participants with back, neck, or heart issues should contact the provider before booking.
Is there parking nearby?
Yes, a large free parking lot is available behind the check-in building.
What is the main highlight of this tour?
The guided exploration of ancient tunnels on special cave bikes with historical writings and open spaces.
Would this tour suit someone interested in history?
Absolutely—the guide shares stories about the caves’ past, making it a learning experience as well as an adventure.