Pompton Plains is situated in the valley of the
Pompton River, which forms the eastern border of the community, the township, and Morris County. Across the river to the east is
Wayne in
Passaic County, and across the river to the northeast is the borough of
Pompton Lakes. Neighboring communities in Morris County are
Riverdale to the north,
Kinnelon to the west,
Lincoln Park to the southwest, and the remainder of Pequannock Township to the south.
New Jersey Route 23 runs through the east side of the community, leading northwest 22 miles (35 km) to
Franklin and south 5 miles (8 km) to
Interstate 80 in Wayne.
Interstate 287 passes through the northwest part of Pompton Plains, with the closest access from Exit 52 (Route 23) in Riverdale.
^Kirkland, Bruce.
"Jason Biggs proud of American Pie films"[usurped], Toronto Sun, August 6, 2001. Accessed July 21, 2007. "Biggs, who was born May 12, 1978, in Pompton Plains, N.J., is the son of Gary Biggs, the manager of a shipping firm, and Angela Biggs, a nurse."
^"Michael Cahill Named Co-dean of Rutgers Law School in Camden", New Jersey Business, March 21, 2016. Accessed August 18, 2019. "Cahill notes that this new position represents a homecoming of sorts: he grew up in Pompton Plains, where his parents, Patricia and Lee Cahill, still reside."
^Rohan, Virginia.
"Pompton Plains native is having fun as risqué ex-nun", The Record, July 17, 2007. Accessed July 19, 2007. "'I loved growing up in Pompton Plains. It really was a lovely small town. It's not small anymore,' says Misner, who studied dance, from age 11 to 18, with Nancy King at the King Centre for the Performing Arts in Wanaque."