700 George Washington Memorial Parkway
McLean, VA 22101
Directions to Parkway Headquarters From the south, take the George Washington Memorial Parkway north. Just past the CIA exit turn right into the parking lot for the US Park Police and parkway headquarters. Go through the chain link fence and take an immediate right. Follow the road down to a stop sign and turn right into the parking lot for the headquarters building.
Summers on the parkway are generally hot and humid, with daytime highs frequently above 90 degrees Fahrenheit and scattered afternoon thunderstorms. Please carry water while participating in physical activity and be prepared to take shelter from lightning. Winters on the parkway are generally cold, with nighttime lows frequently near freezing and occasional snowfall. Please be alert for snowplows and icy spots on roadways. Weather during spring and fall is generally moderate, but can change quickly.
Great Falls Park, VA - $10.00
Great Falls Park Vehicle Permit ($10) Admits one single, private, non-commercial vehicle and all its passengers. Organized groups are not eligible for the vehicle permit. Is NOT valid for entrance into the C &O Canal National Historic Park. Great Falls Park Individual Permit ($5) Admits one individual when entering by foot, bicycle, or equestrian. Individuals 15 years old and younger are admitted free of charge. Is NOT valid for entrance into the C &O Canal National Historic Park