Prince William Forest RV Park
Another RV Park that is in Prince William County near the entrance to the Quantico Marine Corp Base and The Marine Corp National Museum is the
Prince William Forrest RV Park. If you are towing a vehicle, it is about a 30 minute drive (outside commuter hours) to the nearest Metro (subway) station at Huntington or at Springfield-Franconia. Ask for the area in the woods. There may also be bus service from the gate at Quantico to the Metro, but that is about a mile hike from the entrance to the Park. I have been there once and they have a pool and store (basic), but my son and family go there often and enjoy the Park. I would think if you don't have a vehicle, you would be somewhat isolated from the Washington area. Also note that the entrance to the RV Park is different than the entrance to the Park itself.