| Route information | ||||
|---|---|---|---|---|
| Maintained byPennDOT | ||||
| Length | 17.681 mi[1] (28.455 km) | |||
| Major junctions | ||||
| South end | ||||
| Major intersections | ||||
| North end | ||||
| Location | ||||
| Country | United States | |||
| State | Pennsylvania | |||
| Counties | Centre,Clinton | |||
| Highway system | ||||
| ||||
Pennsylvania Route 477 (PA 477) is a 17.7-mile-long (28.5 km)state highway located inCentre andClinton counties inPennsylvania. The southern terminus is atPA 192 inMiles Township. The northern terminus is atPA 64 nearMill Hall.

PA 477 begins at an intersection withPA 192 in the community ofLivonia inMiles Township,Centre County, heading north on two-lane undivided Apple Ridge Road. The road heads acrossNittany Mountain in theBald Eagle State Forest, turning to the west before heading northwest.[2][3] The route heads intoGreene Township inClinton County and heads north on Bull Run Road, leaving the state forest and heading through more wooded areas with some fields. PA 477 turns east onto West Winter Road and heads through agricultural areas in the Sugar Valley. The route turns north onto South Mill Street and passes through more rural areas before entering the borough ofLoganton. Here, the road passes homes and crossesPA 880, becoming North Mill Street. PA 477 heads back into Greene Township and passes through a gap in forested Sugar Valley Mountain. The road reaches an interchange withI-80 and passes a few businesses, turning west onto Long Run Road and heading throughRosecrans.[2][4]
The route runs west-northwest through farmland with occasional residences before heading into another section of the Bald Eagle State Forest. PA 477 heads intoLamar Township and runs a short distance to the north of I-80. The road turns northwest and heads away from the interstate as it passes through wooded residential areas and runs throughRote. Following this, the route winds west through farmland and woodland with some homes. The road passes through the residential community ofSalona before crossingFishing Creek and reaching an interchange with theUS 220 freeway. A short distance later, PA 477 ends at an intersection withPA 64.[2][4]
| County | Location | mi[2] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Centre | Miles Township | 0.0 | 0.0 | Southern terminus | |
| Clinton | Loganton | 6.0 | 9.7 | ||
| Greene Township | 7.2 | 11.6 | Exit 185 on I-80 | ||
| Lamar Township | 17.5 | 28.2 | Exit 107 on US 220 | ||
| 17.6 | 28.3 | Northern terminus | |||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||