Question: The Piedmont Mountains are outlying mountains, sometimes called “low mountains”, that typically occur in the western Piedmont near the Blue Ridge, The Piedmont is part of the greater Appalachian Mountain Range and is also referred to as the Appalachian Plateau, it's a series of rugged, high plains located on the western side of the which location?

Context paragraphs:
Black Mountains (North Carolina): The Black Mountains are a mountain range in western North Carolina, in the southeastern United States.  They are part of the Blue Ridge Province of the Southern Appalachian Mountains.  The Blacks are the highest mountains in the Eastern United States.  The range takes its name from the dark appearance of the red spruce and Fraser fir trees that form a spruce-fir forest on the upper slopes which contrasts with the brown (during winter) or lighter green (during the growing season) appearance of the deciduous trees at lower elevations.  The Eastern Continental Divide, which runs along the eastern Blue Ridge crest, intersects the southern tip of the Black Mountain range.

South Mountains (North Carolina): The South Mountains are an ancient and deeply eroded mountain range in western North Carolina.  They are an isolated remnant of the much larger Appalachian Mountains to the west, and are separated from the Appalachians by the Catawba River valley.  The range covers approximately 100,000 acres (400 km²) in Burke, Cleveland, McDowell and Rutherford counties.  The South Mountains are the highest and most rugged chain of the isolated mountain ranges which dot North Carolina's Piedmont region.  The highest point in the range is Buzzard Roost, which rises to 2,980 feet (908 m) above sea level.  The South Mountains are heavily forested with Southeastern mixed forests.  Water erosion from numerous rivers and streams has given the mountains narrow ridges and valleys.

USS Blue Ridge (LCC-19): USS "Blue Ridge" (LCC-19) is the lead ship of the two "Blue Ridge"–class command ships of the United States Navy, and is the command ship of the United States Seventh Fleet.  Her primary role is to provide command, control, communications, computers, and intelligence (C4I) support to the commander and staff of the United States Seventh Fleet.  She is currently forward-deployed to U.S. Navy Fleet Activities, Yokosuka in Japan, and is the third Navy ship named after the Blue Ridge Mountains, a range of mountains in the Appalachian Mountains of the eastern United States.  "Blue Ridge" is the oldest deployable warship of the U.S. Navy, following the decommissioning of  in Pearl Harbor on 14 August 2014.  "Blue Ridge", now the U.S. Navy's active commissioned ship having the longest total period as active, flies the First Navy Jack.  "Blue Ridge" is expected to remain in service until 2039.

Mount Pisgah (mountain in North Carolina): Mount Pisgah is a mountain in the Appalachian Mountain Range and part of the Blue Ridge Mountains of North Carolina, United States.  The mountain's height is 5,721 feet (1,744 m) above sea level, and it sits approximately 15 miles (24 kilometers) southwest of Asheville, near the crossing of the boundaries of Buncombe, Haywood, Henderson and Transylvania counties.  It is located on the border of Buncombe and Haywood counties, close to the point where Henderson and Transylvania meet them, but not actually within the latter two counties.  The mountain is easily accessible via a hiking trail from the Blue Ridge Parkway, near the Pisgah Inn.

Appalachian Plateau: The Appalachian Plateau is a series of rugged, high plains located on the western side of the Appalachian Highlands.  The Appalachian Highlands are a mountain range that run down the entire east coast of the United States.

Piedmont Mountains: The Piedmont Mountains are outlying mountains, sometimes called “low mountains”, that typically occur in the western Piedmont near the Blue Ridge.  Most of the features within the Piedmont physiographic region of North America lie either on the eastern border where the plateau plunges onto the Coastal Plain at the Fall Line, in the broad valleys of the river systems, or on the western border where Piedmont Mountains likely occur.  Occasionally, due to diverse rock formations, folds and outcroppings, these mountains can rise at various locations across the Piedmont like the Uwharrie Mountain Range in North Carolina or the Pine Mountain Range in Georgia.  Most of these mountains, or hills, are what is left of ancient eroded mountains.  Some, like Stone Mountain in Georgia, are solitary rock domes called Monadnocks which become further exposed with erosion.  The Piedmont is part of the greater Appalachian Mountain Range and is also referred to as the Appalachian Plateau.  The French definition of piedmont in itself translates as foothill; however, a Piedmont Mountain may be that of greater significance or prominent elevation.

List of mountains of the Blue Ridge: The following is a list of mountains constituting the Blue Ridge, a mountain range stretching about 450 miles from Pennsylvania to Georgia in the USA.  The Blue Ridge is part of the larger Appalachian Mountain Range.

Catoctin Mountain: Catoctin Mountain, along with the geologically associated Bull Run Mountains, forms the easternmost mountain ridge of the Blue Ridge Mountains, which are in turn a part of the Appalachian Mountains range.  The ridge runs northeast/southwest for about 50 mi departing from South Mountain near Emmitsburg, Maryland, and running south past Leesburg, Virginia, where it disappears into the Piedmont in a series of low-lying hills near Aldie, Virginia.  The ridge forms the eastern rampart of the Loudoun and Middletown valleys.

Blue Ridge Mountains: The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range.  This province consists of northern and southern physiographic regions, which divide near the Roanoke River gap.  The mountain range is located in the eastern United States, starting at its southernmost portion in Georgia, then ending northward in Pennsylvania.  To the west of the Blue Ridge, between it and the bulk of the Appalachians, lies the Great Appalachian Valley, bordered on the west by the Ridge and Valley province of the Appalachian range.

Hoosac Range: The Hoosac Range is a mountain range that forms part of both the Berkshires of western Massachusetts and the southern Green Mountains of Vermont, both of which are part of the greater Appalachian Mountain chain.  Notable peaks include Haystack Mountain and Mount Snow in Vermont and Spruce Mountain in Massachusetts, as well as the Berkshires' high point, Crum Hill, which is located in the town of Monroe, Massachusetts.

Supporting paragraphs: Piedmont Mountains Appalachian Plateau
Answer: Appalachian Highlands