Natural monuments around Wallenborn are primarily shaped by the region's volcanic past in the Eifel. The area is known for its unique geological features, including the Wallender Born cold water geyser, locally called "Der Brubbel." This geyser erupts regularly, expelling water up to 4 meters high, driven by carbon dioxide gas from deep within the Earth. The region offers a variety of natural spectacles, from volcanic maars to ancient caves.
Last updated: May 11, 2026
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The Daun Maars - 10,000-Year-Old Volcanic Lakes The Daun Maars were formed around 10,000 years ago from volcanic steam explosions. Hot lava rises from the Earth's interior and meets water, which suddenly evaporates. This blasts away entire mountain peaks. What remains is a deep crater that fills with water over the years and a wall of boulders surrounding the lake. The Daun Maars include the Gemünden Maar, the Weinfelder Maar, and the Schalkenmehrener Doppelmaar. One crater of the Schalkenmehren Maar has silted up over the millennia. The area is a nature reserve and a refuge for waterfowl and rare dragonfly species. Text / Source: deutschland-outdoor.der https://deutschland-outdoor.de/eifel/dauner-maare
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Weinfelder Maar The Weinfelder Maar, formed by volcanic activity around 20,000 to 30,000 years ago, is the highest of the three Daun Maars at 487 meters above sea level. The lake is 51 meters deep and has a diameter of 396 to 429 meters. An almost melancholic atmosphere surrounds the maar. Many legends surround the tranquil Eifel eye. A castle is said to have once stood on the site of the crater, where a count lived with his wife and only child. After returning home from a hunt, the castle had sunk as punishment for the woman's nastiness, and he found only a lake where a cradle miraculously floated his child safely to the shore. If you look at the dark surface of the water long enough, it is said that you can make out the outline of the castle. The German landscape painter Fritz von Wille was so fascinated by the Weinfelder Maar that he repeatedly immortalized it in his paintings. Among his favorite motifs was the small chapel on the north bank, dedicated to Saint Martin. It was once the parish church of the village of Weinfeld, which was ravaged by the plague in the 16th century. Anyone who rings the bells inside by pulling the ropes can make a wish. To this day, the associated cemetery is maintained and used by the local community of Schalkenmehren. This is also where its second name, Totenmaar, comes from. Donkeys and goats have been introduced to the Weinfelder Maar to regulate vegetation. The maar's unique flora and fauna are protected. Swimming and other water sports are prohibited in the Weinfelder Maar, but a nearly two-kilometer-long path makes it a wonderful place to explore on foot. Parking: Guests can park along the L64 either in the parking lot at the Weinfelder Maar or on the Maarsattel between the Weinfelder Maar and the Schalkenmehrener Maar. Text / Source: GesundLand Vulkaneifel GmbH, Leopoldstr. 9 A, 54550 Daun https://www.eifel.info/a-weinfelder-maar
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Nice view with markers for orientation. The tower, which was built in 1902, is only 11m high, but stands on top of the 560m high Mauseberg and is thus 166m above the Gemünder Maar, guaranteeing a magnificent view of the surrounding area.
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Beautiful view with an information board for orientation. The tower, built in 1902, is only eleven meters high, but stands at the top of the 560-meter-high Mäuseberg and is thus 166 meters above the Gemünder Maar. This guarantees a magnificent view over the surrounding area.
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A section of the Eifelsteig long-distance hiking trail runs right through the Dauner Maare. Very nice path past the witnesses of the volcanic past of the Eifel. https://www.eifelsteig.de/
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The hiking car park and the hiking map with an overview of the various routes are located at the Waldcafe. This is a great place to start your tour and enjoy a coffee at the end.
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Very beautiful Maar, more than 100m deep embedded in the "crater", the smallest of the three Dauner Maare offers a beautiful outdoor pool and the opportunity to explore the volcanic lake by boat. The forest café and the starting point for numerous hikes and tours are also located at the car park.
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There is a car park on the road above the Maare. After crossing the road, a path leads down to the Maar, from where you can hike in various directions.
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The most unique natural monument is the Wallender Born cold water geyser, affectionately known as "Der Brubbel." Unlike hot geysers, its eruptions are driven by carbon dioxide gas, shooting water up to 2-4 meters high roughly every 35 minutes. It's a rare and fascinating geological spectacle directly linked to the Eifel's volcanic past.
Yes, the Buchenloch Cave is a significant historical natural monument. This approximately 30-meter-long cave has been under nature protection since 1938 and has yielded tools and animal bones from the Ice Age during excavations. It is freely accessible, though it's recommended not to enter between October 1st and March 31st to avoid disturbing hibernating bats.
For panoramic views, visit the Dronke Tower on the Mäuseberg. This 11-meter-high observation tower offers a wonderful panoramic view over the wide volcanic landscape of Eifel and its maars, including direct views of the Gemündener Maar and Weinfelder Maar.
The region is famous for its volcanic maars. The Schalkenmehrener Maar is the southernmost and largest of the three Dauner Maars, unique as a double maar with both a lake and an eastern dry maar. Another beautiful example is the Gemündener Maar, which offers swimming and boating, and the Weinfelder Maar (Totenmaar), known for its tranquil atmosphere and historical chapel.
Many of the maars, such as the Gemündener Maar and Schalkenmehrener Maar, are considered family-friendly, offering opportunities for walking around the lakes. The Wallender Born geyser is also a fascinating and accessible sight for all ages. The associated 3.5-kilometer "bubbling path" around the geyser provides an educational walk for inquisitive visitors.
The area around Wallenborn offers diverse outdoor activities. You can explore various running trails, including a moderate 10.5 km loop around the Wallenborn Cold Water Geyser. For cycling enthusiasts, there are numerous road cycling routes, such as the challenging 75 km "Kasselburg – St. Apollonia Church, Auel loop." Gravel biking is also popular, with routes like the 50 km "Hillesheim City Wall – Kerpen Castle loop." You can find more details on these activities in the Running Trails around Wallenborn, Road Cycling Routes around Wallenborn, and Gravel biking around Wallenborn guides.
The natural monuments, especially the maars and the Wallender Born geyser, are beautiful year-round. Spring and summer offer lush greenery and pleasant temperatures for outdoor activities like hiking and cycling. Autumn brings vibrant fall colors around the lakes. While the geyser erupts consistently, visiting during milder weather allows for more comfortable exploration of the surrounding paths and viewpoints.
Yes, many natural monuments are easily accessible by car. For instance, the Wallender Born geyser is located in the middle of Wallenborn village with nearby parking. For the maars, such as the Weinfelder Maar, parking is available along the L64 at designated lots.
The Wallender Born is a cold water geyser, meaning its eruptions are driven by carbon dioxide gas, not geothermal heat. This makes it a rare phenomenon, with only one other known active cold water geyser in the Vulkaneifel region. Its unmanipulated eruption rhythm, occurring naturally every 35 minutes, offers an authentic geological display.
Yes, you can swim in the Gemündener Maar, which features an outdoor pool and opportunities to rent boats. However, swimming and other water sports are prohibited in the Weinfelder Maar (Totenmaar), as it is a nature reserve focused on protecting its unique flora and fauna.
The Wallenborn area, being part of the Eifel's volcanic region, showcases a variety of geological features. These include the unique cold water geyser, Wallender Born, formed by escaping carbon dioxide. You'll also find numerous volcanic maars (crater lakes) like the Schalkenmehrener, Gemündener, and Weinfelder Maars, which are remnants of volcanic steam explosions. The landscape is rich with evidence of its volcanic past, offering insights into geological processes.


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