North Mountain is a 2,584-foot (788 m) ridge primarily located in Davidson Township of Sullivan County in the U.S. state of Pennsylvania. Its summit is that county's highest point, the 10th highest among the state's 67 counties. Portions also extend into neighboring Lycoming, Luzerne, and Wyoming counties.

Pennsylvania Route 487 is a 64.2-mile-long (103.3 km), north–south state highway running from PA 61 in Shamokin Township, Northumberland County, to PA 87 in Dushore, Sullivan County. In Bloomsburg, PA 487 and US 11 share a brief wrong-way concurrency. After its brief concurrency with PA 118, PA 487 goes up a steep grade through Ricketts Glen State Park. PA 487 is used to carry traffic up the Fishing Creek valley.