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Lakes
Germany
North Rhine-Westphalia

Cologne District

Städteregion Aachen
Simmerath

Kall Reservoir

Highlight • Lake

Kall Reservoir

Mountain biking

4.9

(644)

Hiking

4.7

(544)

Cycling

4.2

(50)

Gravel riding

5.0

(6)

The Kalltalsperre is a significant drinking water reservoir nestled in the scenic forests on the northern edge of Germany's Eifel region, near Simmerath-Rollesbroich and Monschau in North Rhine-Westphalia. Situated at an elevation of approximately 473 metres, this man-made lake, formed by damming the Kall River, plays a crucial role in regional water management. Its impressive earth dam, built in 1934, stands 34 metres high with a crest stretching 180 metres, holding 2.1 million cubic metres of water.

What draws visitors to the Kalltalsperre is its serene natural beauty and the well-maintained circular route that offers peaceful escapes. Hikers and cyclists particularly appreciate the wide forest paths, which feature minimal inclines, making it a popular choice for family-friendly walks and leisurely rides. The surrounding landscape, characterized by impressive rock formations like the Kaiserfelsen and towering spruce trees, provides a tranquil setting for nature observation and relaxation.

Before heading out, visitors should note that as a drinking water source, direct public access for activities like swimming or water sports is prohibited. However, the area is well-equipped for land-based exploration. Parking is conveniently available at the "Kallbrück" hikers' car park, providing easy access to the trails. The terrain is generally accessible, but comfortable footwear is always recommended for enjoying the Kalltalsperre lake hiking difficulty, which is mostly easy to intermediate.

The Kalltalsperre is a rewarding destination throughout the year, with each season offering its own charm, from lush greenery in spring and summer to vibrant autumn colours and tranquil winter scenes. It's an ideal spot for circular walks and cycling, allowing visitors to fully immerse themselves in the natural environment. While wild swimming Kalltalsperre lake is not permitted, the opportunity to explore the extensive Kalltalsperre lake popular trails routes makes it a worthwhile visit for outdoor enthusiasts.

While there isn't a single "recommended route" specified, the most popular option is the loop trail encircling the reservoir. This Kalltalsperre lake loop trail offers varied perspectives of the water and the surrounding forest, providing a comprehensive experience of the area's natural features. The trail length is manageable for most, making it a great choice for a half-day outing.

Visitors often highlight the excellent overview of the Kalltalsperre from various points along the path, including views of the dam's flood relief system. The peaceful atmosphere, combined with the fresh forest air, creates a truly refreshing experience. Many appreciate the opportunity to observe the engineering marvel of the dam itself, a testament to its historical significance as a job creation project from the 1930s.

For those looking to explore the Kalltalsperre and its surroundings, a variety of trails cater to different preferences, from leisurely strolls to more active cycling adventures. You can discover the best trails and plan your visit by exploring the numerous routes available on komoot, ensuring you find the perfect path to experience this beautiful Eifel reservoir.

This Highlight is in a protected area

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Naturpark Hohes Venn-Eifel

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  • Location: Simmerath, Städteregion Aachen, Cologne District, North Rhine-Westphalia, Germany

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    Tips

    October 11, 2017

    Hiking

    Was built in 1934 and holds 2.1 million m * of water.
    Translated by

    December 26, 2020

    Hiking

    Here are some more data on the dam of the Kalltalsperre: The height above the valley floor is 34 meters, the dam crest is 180 meters long and 5 meters wide.
    Translated by

    June 30, 2019

    Hiking

    A great tour for walkers, hikers, runners, bikers and dog lovers 🐾🐾😉
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    Sign up for a free komoot account to get 55 more insider tips and takes.

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    Nearby routes

    Best routes near Kall Reservoir

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    4.4

    (32)

    91

    riders

    #1.

    Kall Reservoir – Kaiserfelsen (Emperor Rock) loop from Senkelbachquellen

    27.1km

    02:24

    620m

    620m

    Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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    Moderate
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    Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

    Hard
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    Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

    Hard

    Details

    Informations

    Elevation 470 m

    Weather

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    Wednesday 13 May

    9°C

    3°C

    80 %

    Additional weather tips

    Max wind speed: 18.0 km/h

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    Location: Simmerath, Städteregion Aachen, Cologne District, North Rhine-Westphalia, Germany

    Frequently Asked Questions

    Is swimming or water sports permitted in Kalltalsperre?

    No, direct public access for activities like swimming, boating, or other water sports is strictly prohibited. Kalltalsperre is a vital drinking water reservoir, and its primary purpose is water extraction and preparation for public consumption. This protective measure ensures the purity of the drinking water supply.

    What is the typical length and duration of the main circular trail around Kalltalsperre?

    The popular circular route around Kalltalsperre is approximately 6-7 kilometers long. Most hikers and cyclists can complete this loop in about 1.5 to 2.5 hours, depending on their pace and how often they stop to enjoy the views.

    Are there any specific viewpoints or landmarks to look out for along the trails?

    Yes, the area offers several scenic spots. Keep an eye out for the impressive Kaiserfelsen (Emperor Rock) and the towering spruce trees that characterize the surrounding forest. Many points along the circular path also provide excellent overviews of the reservoir itself, including the dam's flood relief system.

    Is Kalltalsperre suitable for a winter hike?

    Absolutely! Kalltalsperre is a rewarding destination throughout the year, and winter offers a particularly tranquil experience. The wide forest paths are generally manageable, but it's always advisable to check local weather conditions and wear appropriate footwear for potentially icy or snowy sections.

    How accessible are the paths for families with strollers or visitors with limited mobility?

    The trails around Kalltalsperre are generally characterized by wide forest paths with minimal inclines, making them suitable for families with strollers. While not specifically designed for full wheelchair accessibility, many sections are relatively flat and broad, offering a pleasant experience for those with limited mobility, though some uneven terrain may be present.

    Are dogs allowed on the trails around Kalltalsperre?

    Yes, dogs are generally welcome on the trails around Kalltalsperre. However, as it's a nature area and a drinking water protection zone, it's crucial to keep dogs on a leash at all times and ensure you clean up after them to preserve the natural environment and water quality.

    Where is the best place to park when visiting Kalltalsperre?

    Convenient parking is available at the "Kallbrück" hikers' car park, which provides easy access to the circular route around the reservoir. It's recommended to arrive early, especially on weekends or during peak seasons, as parking can fill up quickly.

    Are there any cafes, restaurants, or accommodation options near Kalltalsperre?

    While there are no direct facilities at the reservoir itself due to its protected status, you can find various cafes, restaurants, and accommodation options in the nearby towns and villages, such as Simmerath-Rollesbroich or Monschau, which are just a short drive away.

    What is the historical significance of Kalltalsperre?

    Kalltalsperre has a notable history, with its construction beginning on March 21, 1934, as part of a government job creation program. It was officially inaugurated on August 23, 1936, making it an early example of regional water management infrastructure in the Eifel.

    How does Kalltalsperre compare to the larger Rursee reservoir?

    Kalltalsperre is significantly smaller than the Rursee, with a storage capacity of 2.1 million cubic meters compared to Rursee's much larger volume. While Rursee offers extensive water sports and recreational activities, Kalltalsperre provides a more tranquil, protected natural experience focused on hiking and cycling around a pristine drinking water source.

    What kind of wildlife can be observed around Kalltalsperre?

    The forested areas around Kalltalsperre are home to various wildlife typical of the Eifel region. Visitors might spot deer, foxes, and a variety of bird species. The serene environment makes it an excellent spot for nature observation, particularly for birdwatching.

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