Parish church St. Mariä Himmelfahrt and Blankenheim CastleSource of the Ahr in Blankenheim
Blankenheim is located in the Eifel hills, approximately 27 km (17 mi) south-west of Euskirchen. The river Ahr has its source in the centre of Blankenheim, in the cellar of a half timbered house.
History
In the year 721, Blankenheim is mentioned for the first time as "Blancio" in a document. Today, the municipality is called in Eifel dialect as "Blangem" and has got a long carnival tradition.