Yellow rental canoes wait at the landing of the Coatesville KOA, on a river in the country west of Philadelphia. The creekside pads are close enough to the water to hear it from a camp chair on the gravel. The rig stays put on a city day, so the beds stay made and the fridge stays cold all week, while everyone rides the train into Philadelphia in the morning and back out for dinner.
That rhythm, rail into town and a fire at night, is how RV families do Philadelphia, and it works from either side of the city. Independence Hall's brick tower and the open fields at Valley Forge are the days almost everyone plans around, and the Philadelphia campervan page covers both in detail. Around them the week settles into its own pattern: another day downtown, a lazy one at the campground with the canoes or the pool in summer, and then the Brandywine on a weekend or Lancaster County out west.
Clarksboro across the Delaware, or Coatesville out west
Pick the base by the side of the city you're coming from. Philadelphia South / Clarksboro KOA is a country campground on the New Jersey side of the Delaware, about 20 minutes from Camden and downtown by the operator's count. It makes an easy first night for a rig coming up from the south or over from Delaware. Its pull-thru and back-in sites carry electric and water at 50 amps, and it stays open all year, so a winter week in the city still has power on the pad.
Philadelphia / West Chester KOA, on Embreeville Road outside Coatesville, is the one with the canoes. It sits out past the Main Line in the country between the city and Lancaster County, and it's the first night for a rig arriving from the west. Sites come with full hookups, 50-amp service, Wi-Fi and cable, which suits a family that wants to stop thinking about tanks until checkout.
The western base also puts Lancaster County's Amish farms within a day trip, with horse-drawn buggies on the back roads. The Lancaster campervan page covers that trip. Whichever KOA you choose, reserve the site first and rent the rig around those dates, because the campground booking sets the week.
Hibernia County Park on the Brandywine's west branch
On the west branch of Brandywine Creek, Hibernia County Park keeps an old ironmaster's mansion on its hillside, with meadows and open fields below and Fiddler's Campground tucked back in the woods. A Brandywine day here is slow and outdoors. You walk the fields, poke along the creek, and catch one of the county's Hibernia Mansion tours.
Fiddler's Campground opens Friday and Saturday nights only, April through the second full weekend of November, weather permitting, and sites are reserved online. Chester County recommends it for small trailers and RVs, so this is the weekend to bring a motorhome at the shorter end of the family range, and it fits well between city days at a KOA. If it's just two of you and you'd rather pair this creek with Longwood Gardens and a night at French Creek, the campervan page is written for that smaller rig.