Causey Mounth
The Causey Mounth is an ancient drovers' road over the coastal fringe of the Grampian Mountains in Aberdeenshire, Scotland. This route was developed around the 12th century AD as the main highway between Stonehaven and Aberdeen, and it continued to function as the principal route connecting these two cities until the mid-20th century, when construction of the modern A90 road occurred in this area.