Mauch Chunk Ridge (on older USGS Maps) or Mauch Chunk Mountain is a historically important barrier ridgeline paralleling Pisgah Ridge in the ridge and valley formation of the Anthracite coal bearing Appalachian formations of Northeastern Pennsylvania. The northslopes of the long series of worn peaks feed the minor tributary Mauch Chunk Creek's mouth which opens out easterly into the Lehigh River, and where from ca.