Lakes around Kopp, located in the Vulkaneifel district of Rhineland-Palatinate, Germany, are characterized by unique volcanic crater lakes known as Maare. This region is defined by its geological history, where explosive volcanic activity formed funnels that later filled with rainwater. The Maare contribute to the area's clear waters and distinct appeal, offering opportunities for outdoor activities. Kopp is situated in a landscape well-suited for hiking, walking, and cycling.
Last updated: June 27, 2026
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To us, such a mill pond, as it presents itself to the viewer here on site – at the Müllenborn hiking parking lot – may seem very ordinary, but in the fantasy world of, for example, Otfried Preußler (1923 to 2013), who became famous for the children's books he wrote, it looks completely different: It is also the habitat of a water sprite family, and his book, still popular today, "The Little Water Sprite" tells of the adventures that the young family members experience in the mill pond. The "Stiftung Lesen" (Reading Foundation) reviews: "The water sprite has invited twenty-seven relatives – and twenty-six have come. Twelve water sprites with their wives, a well sprite and the bridge maiden from the Sankt Nepomuk Bridge! And they have all accepted the invitation because they want to see the little water sprite, of whom the water sprite dad is so proud. And he can be – because the cheeky little rascal can swim as soon as he is born. And he learns everything else faster than his worried parents would like. Sometimes his friend, the thoughtful carp Cyprinus, can only wiggle his fins ... The 1956 children's book classic has already enchanted generations of readers, who, alongside the fantastic adventures of the little water sprite, can also pass on their own childhood memories when reading aloud to children from approx. 5 years of age." (Source: Stiftung Lesen)
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Lake Müllenborn – often called Müllenborner Weiher – is picturesquely located in the Müllenborn district north of Gerolstein and is a real insider tip for Komoot tours. The idyllic expanse of water, surrounded by cool forests, invites you to stroll, picnic, and enjoy mindful moments by the water. A beautiful, approximately 6km circular trail leads around the lake, past the historic millstone ruins and along the Oosbach stream – ideal for quiet explorations away from the hustle and bustle. Around Müllenborn, you'll learn firsthand about the region's volcanic history: Oversized basalt blocks from the former Rother Kopf dominate the forest landscape, and you'll repeatedly encounter springs, small bridges, and the remains of old mills – hence the name "Mühlenborn" (Millsborn). The village itself, with its chapel and baroque houses on the shore, provides a charming, historic setting for the lake. The lake is not open for swimming, but in summer, you'll often find locals cooling off or fishing here; provided you have a valid license. A visit to the Müllenborn Lake Festival in July is particularly atmospheric – with brass bands, a festival tent, and a convivial village atmosphere. Just a few hundred meters away is the comfortable Landhaus Müllenborn, a 4-star country hotel with a spa, sauna, and sauna terrace – perfect for relaxing after the circular hike. The Eifelsteig trail runs nearby, and cyclists can also find connections to regional routes such as the Eifel-Ardennes Cycle Route.
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Lake Müllenborn – often called Müllenborner Weiher – is picturesquely located in the Müllenborn district north of Gerolstein and is a real insider tip for Komoot tours. The idyllic expanse of water, surrounded by cool forests, invites you to stroll, picnic, and enjoy mindful moments by the water. A beautiful, approximately 6km circular trail leads around the lake, past the historic millstone ruins and along the Oosbach stream – ideal for quiet explorations away from the hustle and bustle. Around Müllenborn, you'll learn firsthand about the region's volcanic history: Oversized basalt blocks from the former Rother Kopf dominate the forest landscape, and you'll repeatedly encounter springs, small bridges, and the remains of old mills – hence the name "Mühlenborn" (Millsborn). The village itself, with its chapel and baroque houses on the shore, provides a charming, historic setting for the lake. The lake is not open for swimming, but in summer, you'll often find locals cooling off or fishing here; provided you have a valid license. A visit to the Müllenborn Lake Festival in July is particularly atmospheric – with brass bands, a festival tent, and a convivial village atmosphere. Just a few hundred meters away is the comfortable Landhaus Müllenborn, a 4-star country hotel with a spa, sauna, and sauna terrace – perfect for relaxing after the circular hike. The Eifelsteig trail runs nearby, and cyclists can also find connections to regional routes such as the Eifel-Ardennes Cycle Route.
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On the meadow path you come across the small pond. When we were there, there were lots of tadpoles swimming in it.
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At the beginning of the 20th century, the village priest bred trout in the maar, which was around 100,000 years old. In the 1920s the water was drained and its quickly overgrown, fertile ground was used as a viewing area. 80 years later, scientists proved that this was a silted maar. During a core drilling, 23 m of animals found tuff remains from the Laacher See eruption 13,000 years ago. In addition, the funnel lies on a geological fault line that runs from northwest to southeast. The renatured maar is around 120 meters in diameter and offers a biotope for numerous birds. When the maar was revived from 2007, the Oosbach was dammed. Source: 111 places in the Eifel that you have to see Further information: https://de.wikipedia.org/wiki/Eichholzmaar
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Super nice little nature reserve with many bird observation posts. Many paths around the Maar and a small parking lot are the ideal starting point for a hike.
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Beautiful open meadow area, the 3 small lakes unfortunately often dry up in summer.
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The lakes around Kopp are primarily volcanic crater lakes, known as Maare. These unique formations were created thousands of years ago by explosive volcanic activity when magma met groundwater, forming funnels that later filled with rainwater. This geological origin gives them clear waters and a distinct, often circular appearance, making them a defining feature of the Vulkaneifel region.
Yes, several lakes are well-suited for families. For instance, Eichholzmaar is a small nature reserve with paths, ideal for observing water birds. Müllenborn Pond also offers a pleasant circular trail and is surrounded by forests, perfect for a family stroll. The Pond in the Grunewald State Forest is another great starting point for walks with children.
While some of the larger Maare in the Vulkaneifel region, such as Schalkenmehrener Maar and Pulvermaar, are popular for swimming and offer facilities like sunbathing areas, not all lakes are suitable or permitted for swimming. For example, Müllenborn Pond is generally not open for swimming, though locals might cool off there. Always check local regulations before entering the water.
The region around Kopp is excellent for various outdoor activities. You can enjoy hiking on numerous trails, including easy to moderate routes like the 'Baumweg Educational Trail' or the 'View of the Eigelbacher Maar' loop. Cycling and mountain biking are also popular, with routes such as the 'Bertradaburg – View of the Meerfelder Maar' loop for MTB enthusiasts. For more details on routes, you can explore the hiking guide, cycling guide, and MTB trails guide around Kopp.
Yes, several lakes offer scenic circular walking paths. For instance, you can enjoy a pleasant circular trail around Müllenborn Pond, which passes historic millstone ruins. The Schalkenmehrener Maar, one of the larger Maare in the region, also features a beautiful circular path.
Many of the natural areas and trails around the lakes are dog-friendly, making them great for walks with your canine companion. However, it's always advisable to keep dogs on a leash, especially in nature reserves like Eichholzmaar, to protect wildlife. Specific rules may apply to certain areas or during particular seasons, so look for local signage.
The lakes around Kopp are beautiful year-round. Spring and autumn offer pleasant temperatures for hiking and cycling, with vibrant foliage or blooming nature. Summer is ideal for water activities in designated swimming lakes. Even in winter, the serene, often snow-dusted landscapes provide a unique charm for quiet walks.
The renatured Eichholzmaar is a small nature reserve specifically designed to support water birds and reptiles, offering observation posts for visitors. The diverse ecosystems of the Maare and surrounding forests provide habitats for various bird species, amphibians, and other small wildlife.
Yes, the region's volcanic history is a significant aspect. Around Müllenborn Pond, you can find historic millstone ruins and learn about the area's past. The village of Müllenborn itself, with its chapel and baroque houses, adds to the historic charm. The Weinfelder Maar, also known as Totenmaar, is notable for the historic Weinfelder Chapel located nearby.
For a more tranquil experience, the Meerfelder Maar, nestled within the largest maar crater in the Eifel, is celebrated for its idyllic and peaceful setting. While not all of its crater is water-filled, it offers a serene escape. The Three Small Ponds also offer a quiet spot to rest amidst an open meadow area.
Many of the popular lakes and starting points for trails have small parking lots available. For example, Eichholzmaar has a small parking lot that serves as an ideal starting point for hikes. When planning your visit, it's always a good idea to check specific highlight details or local signage for parking information.


Still not found your perfect lake around Kopp? Check out the guides of these regions to see even more beautiful places.