Directions & Transportation


Main Park Address

1400 North Outer Line Drive
King of Prussia, PA 19406


Directions By Car

The park is conveniently located off of U.S. Route 422. The main entrance to the park, with access to the nearby Visitor Center at Valley Forge, is at the intersection of State Route 23 and North Gulph Road.

  • From the Pennsylvania Turnpike, take Exit 326.

  • From Interstate I-76, take Route 422 West to Route 23 West/Valley Forge.

  • From State Route 252, take State Route 23 East.


Directions By Public Transportation

Public transportation by bus can bring you to the park. Visit the Southeastern Pennyslvania Transport Authority (SEPTA) website for more detailed information.

  • SEPTA Bus Route 125, stops at the Valley Forge Visitor Center, the nearby Radisson Hotel, and the King Of Prussia Mall.

  • SEPTA Bus Route 139, stops near the Visitor Center at the intersection of State Route 23 and Outer Line Drive, and also at the Washington Memorial Chapel along State Route 23.

If you are planning to bring your bicycle on the bus, please read the SEPTA bicycle policies and safety tips.


Directions By Bicycle

The Schuylkill River Trail provides a direct trail connection to the park via Sullivan's Bridge at the Betzwood Picnic Area.


Accessible Parking and Drop Off at the Visitor Center

The main entrance is at ground level and allows easy access to restrooms, The Encampment Store, information desk, and exhibit floor. Eight accessible parking spots are available in front of the main entrance to the visitor center. Passenger drop off and pick up is available.


Bus Parking

Bus parking is available at the Lower Visitor Center parking lot and Washington's Headquarters parking lot. Buses may drop off and pick up passengers in front of the visitor center, however all buses must vacate the visitor center drop off area while waiting for passengers. The following areas can be difficult to navigate or buses are prohibited:

  • Washington's Headquarters circle (use the designated drop-off area instead).

  • Inner Line Drive - buses are prohibited.

  • Steuben Statue Lot (Tour Stop #8) - buses are prohibited.

  • Crossing the Covered Bridge at Rt. 252/Yellow Springs Rd - buses are prohibited.

  • Turning right from eastbound Route 23 into park entrance on North Gulph Road.

For further information on about navigating through the park in a bus, please call the front desk at 610-783-1099.


No Idling Policy

In an effort to improve visitor enjoyment and reduce environmental impact, Valley Forge has implemented a no idling policy for motor vehicles within the park. All motor vehicles that are parked for more than 30 seconds must turn their engines off.


Directions to the Philander Chase Knox Estate from the Visitor Center

The Estate is located on Library Lane at Yellow Springs Road, just beyond the Knox Covered Bridge.

  1. From the Visitor Center take Route 23 West, through the park to Route 252.

  2. Make the left at the light onto Rt 252 South and follow towards the covered bridge.

  3. Make a right over the covered bridge.

  4. Make your first left onto Library Lane, it is the large white building on your left.

Parking is available in the lot across from Library Lane and on Wilson Rd. which is the next street up from Library Lane. Additional parking is available in the Knox's Quarters Parking Lot.

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Walking Directions from Knox's Quarters Parking Lot to Philander Chase Knox Estate

  1. From the parking lot, take the pathway to your LEFT to head towards Knox's Quarters.

  2. At Knox's Quarters, continue past the stables, taking the Knox Trail towards the tree line

  3. Continue on the Knox Trail, crossing the foot bridge over the Valley Creek

  4. Continue along the Knox Trail for approximately 0.15 miles. The PC Knox estate will be the large white house at the end of the trail.

GPS Coordinates

Knox's Quarters Parking Lot: 40.086146, -75.452193
Philander Chase Knox Estate: 40.085446, -75.456145

Last updated: September 14, 2021

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Contact Info

Mailing Address:

1400 North Outer Line Drive
King of Prussia, PA 19406


610 783-1000

Contact Us