Originally Posted by Boondocker
I recommend staying at Prince William Forest Park outside Quantico and taking the train in. I stayed in the Oak Ridge Campground but I think they have a second one with electric.
I agree with the recommendation to stay at Prince William Forest Park. Lake Fairfax Park near Reston, VA has 136 sites, 54 with electric connections. Lake Fairfax also has a dump station and bath house. You can drive about 10 miles to the Vienna or Falls Church metro stations to get into DC.