Pulvermaar
lake in Germany

The Pulvermaar is a water-filled maar that lies southeast of Daun in the German state of Rhineland-Palatinate. Together with the Holzmaar it is one of the Gillenfeld maars.
Description
A tuff site in the bog formations of the neighbouring Strohner Maar is ascribed to the Pulvermaar and is therefore older than the Pulvermaar. Early pollen analyses of the bogs gave an age for the tuff site – and thus the Pulvermaar – of about 10,050 years. More recent studies show, however, underwater terraces at greater depth as well as ice wedges inside the tephra deposits, both of which suggest that the maar was formed during the last ice age, 20,000 to 30,000 years ago. Volcanologists from the Smithsonian Institution estimate the last eruption of the Strohner Maar and Pulvermaar in 8,300 BC.
The almost circular maar has steep funnel-shaped sides. The maar lake lies at a height of 411 m above sea level (NN) and, with a maximum depth of 72 metres (236 ft), is the deepest in the Volcanic Eifel. It has a diameter of about 700 metres (2,300 ft) and surface area of 38.48 hectares (95.1 acres) and is thus also the largest waterbody of the Eifel maars, even if the volcanic structure as a whole, which measures 900 * 950 m is exceeded by other maars in the Eifel.
After Lake Constance and the lakes of the Pre-Alps (the Königssee, Walchensee, Lake Starnberg, Ammersee, Chiemsee, Tegernsee) the Pulvermaar is the deepest natural lake in Germany. It is likely that the Pulvermaar was originally even deeper, perhaps as deep as 200 metres.
The public source identifies “Pulvermaar” as lake in Germany. This brief keeps that definition visible, then builds a research path around Pulvermaar, lake and Germany.
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Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Jul 29, 2026. The linked authority identifier is Q1317765. VIAF identifies the subject as 247839106. Authority coordinates are 50.131, 6.926. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.
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This entry incorporates text from “Pulvermaar” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.