Pennsylvania Route 120
| Highways in Pennsylvania with PA 120 in red. | ||||
| Route information | ||||
| Maintained by PennDOT | ||||
| Length | 103.886 mi (167.188 km) | |||
| Existed | 1926 (as US 120)–present | |||
| Tourist routes | Bucktail Trail Scenic Byway | |||
| Major junctions | ||||
| West end | US 219 / PA 948 in Ridgway | |||
| PA 255 in St. Marys  PA 46 in Emporium | ||||
| East end | Future I-99 / US 220 near Lock Haven | |||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Elk, Cameron, Clinton | |||
| Highway system | ||||
| 
 | ||||
Pennsylvania Route 120 (PA 120) is a state highway located in north-central Pennsylvania in the United States. It stretches from U.S. Route 219 (US 219) in Ridgway east to US 220 near Lock Haven.