The Appalachians feature rounded, tree-topped peaks and isolated green humid valleys often called 'hollows,' or 'hollers
' in the local dialect. Major mountain groups within the Appalachian chain are the Smokey Mountains in Tennessee
, the White Mountains in New Hampshire
, the Green Mountains in Vermont
, and the Adirondacs in New York
A large region of the Appalachians, stretching from the Carolinas through Eastern Pennsylvania, is known for its unique geographic and cultural characteristics, and is often referred to as Appalachia, where a full discussion is available.