Chiemgau impact hypothesis is an obsolete scientific theory that claimed the Tüttensee lake in southern Bavaria, Germany, to be the result of a Holocene meteorite impact.
This claim has been refuted by geological research and the finding of a soil horizon of undisturbed peat and sedimentation since the end of the last glaciation period.
[1][2] The lake is in fact one of many kettles under the foothills of the Bavarian alps.
[3] The claims of an impact crater had been raised by a team of hobby-archaeologists, calling themselves the CIRT (Chiemgau impact research team),[4] and have resulted in some media reports in Germany and discussions in the local tourism industry, but are not accepted beyond the CIRT team today.
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