What is "schimmelkopf"

The Schimmelkopf or Weiskircher Höhe is a mountain that rises in the Schwarzwalder Hochwald (part of the Hunsrück) on the boundary between the counties of Trier-Saarburg ( Rhineland-Palatinate) and Merzig-Wadern ( Saarland) and, at , is the second highest peak in the German state of Saarland.