What mountain ranges is the highest Pocono Allegheny or Appalachian?

The Appalachian Mountains are the highest of the three ranges mentioned. The Pocono Mountains are a part of the Appalachian range, specifically located in northeastern Pennsylvania. The Allegheny Mountains, also part of the Appalachians, have peaks that are generally lower than those found in the central and southern Appalachian regions. Therefore, the Appalachian Mountains, as a whole, are the highest.