[PAR] [TLE] Western Maryland [SEP] Western Maryland is the portion of the U.S. state of Maryland that traditionally consists of Washington, Allegany, and Garrett counties, with western portions of Frederick County also associated with the area.  The region is bounded by the Mason-Dixon line to the north, Preston County, West Virginia to the west, and the Potomac River to the south.  There is dispute over the eastern boundary of Western Maryland.  For most residents of the Baltimore-Washington area, everything west of Frederick city is considered Western Maryland.  However, the people of the more mountainous and isolated Allegany County and Garrett County consider Sideling Hill the boundary between Western Maryland and what they refer to as "down-state." [PAR] [TLE] Sideling Hill [SEP] Sideling Hill (also Side Long Hill) is a long, steep, narrow mountain ridge in the Ridge-and-Valley (or Allegheny Mountains) physiographic province of the Appalachian Mountains, located in Washington County in western Maryland and adjacent West Virginia and Pennsylvania, USA.  The highest point on the ridge is Fisher Point, at 2310 ft in Fulton County, Pennsylvania.
[PAR] [TLE] Western Maryland [ SEP ] Western Maryland is the portion of the U.S. state of Maryland that traditionally consists of Washington , Allegany , and Garrett counties , with western portions of Frederick County also associated with the area . The region is bounded by the Mason - Dixon line to the north , Preston County , West Virginia to the west , and the Potomac River to the south . There is dispute over the eastern boundary of Western Maryland . For most residents of the Baltimore - Washington area , everything west of Frederick city is considered Western Maryland . However , the people of the more mountainous and isolated Allegany County and Garrett County consider Sideling Hill the boundary between Western Maryland and what they refer to as " down - state . " [PAR] [TLE] Sideling Hill [ SEP ] Sideling Hill ( also Side Long Hill ) is a long , steep , narrow mountain ridge in the Ridge - and - Valley ( or Allegheny Mountains ) physiographic province of the Appalachian Mountains , located in Washington County in western Maryland and adjacent West Virginia and Pennsylvania , USA . The highest point on the ridge is Fisher Point , at 2310 ft in Fulton County , Pennsylvania .
What long, steep, narrow mountain range provides a controversial border that splits Maryland into two parts?
What long , steep , narrow mountain range provides a controversial border that splits Maryland into two parts ?
Sideling Hill
Sideling Hill