Weinfelder Maar Frühling Panorama, © Rheinland-Pfalz Tourismus GmbH / D. Ketz

The Eifel maars

The water-filled maars are the symbol of the volcanic Eifel. But what is actually a maar?

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The term “maar” is taken from the Latin “mare” (sea) and is used to describe the funnel-shaped volcano type created from water vapour eruptions which have “exploded into” the landscape and which outwardly often takes on a key-like shape.


During the initial creation phase of a maar, rising magma meets aquiferous stone layers which leads to massive explosions. The surrounding stone, together with the magma, is shattered into tiny fragments and is hurled out of the explosion funnel.


In the area at the centre of the explosion, a hollow chamber is formed which overflows out of an explosion vent. Due to the fact that the stone formed over the hollow chamber breaks down, the explosion vent becomes a collapsed or maar funnel. After the volcanic activity has died down, the funnel fills with water.


Overall, over 70 maar volcanoes have been counted. Ten maars are still filled with water today, while the others have already silted over.

Eichholzmaar, © H. Gassen

Eichholzmaar Steffeln

Steffeln

The Eichholzmaar is one of the smaller maars in the district Vulkaneifel.

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Gemündener Maar Wasseroberfläche, © GesundLand Vulkaneifel/D. Ketz

Gemündener Maar

Daun

The Gemünden maar is lined up along a fissure running SE to NW. About 20,000 to 30,000 years ago they erupted and Gemünden Maar lake was formed.

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Holzmaar

Holzmaar, Dürres Maar, Hetsche Maarchen

Eckfeld

The youngest of this group of three maar lakes is the Holzmaar. It is the mostly researched maar lake in the Eifel.
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Immerather Maar von oben, © Natur- und Geopark

Immerather Maar

Immerath

the hidden maar.

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Jungferweiher von oben, © Natur- und Geopark

Jungferweiher

Ulmen

a once again flooded former dry maar.

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Meerfelder Maar 1, © Natur- und Geopark

Meerfelder Maar

Meerfeld

The view from the lookout tower “Landesblick” is impressive: The Maar lake glistens around 200 metres below, gently embedded in the largest Maar funnel in the Eifel. However, only part of the 1,700 metres long basin is covered with water.

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Pulvermaar von oben, © GesundLand Vulkaneifel/D.Ketz

Pulvermaar

Gillenfeld

the storybook maar.

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Schalkenmehren mit  Maar Luftaufmnahme, © GesundLand Vulkaneifel/D. Ketz

Schalkenmehrener Maar

Schalkenmehren

The Schalkenmehren maars are lined up along a fissure running SE to NW. About 20,000 to 30,000 years ago they erupted: one by one: the dry maar, the low-moor bog, then the water-filled maar, probably a double maar.

This water-filled maar is open for swimming and boating…

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Ulmener Maar

Ulmener Maar

Ulmen

the baby among the Eifel maars.

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Weinfelder Maar

Weinfelder Maar

Daun

also called Totenmaar [maar of the dead] The Weinfelder Maar is considered the "symbol of the Eifel melancholy". Gentle slopes, on which the Eifel gold - popularly known as "Besenginster"grows and shines in early summer, around the mostly turquoise shimmering water…

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