Where is the nearest campground to Rockville?

Robert C McDonell Campground at Cabin John Regional Park 7701 Tuckerman Ln, Rockville, MD 20854 Unstaffed campground, with 7 walk-in primitive sites and an accessible group pavilion. There are two tent pads, two picnic tables, a grill, and a fire pit on each campsite. https://www.montgomeryparks.org/parks-and-trails/cabin-john-regional-park/campground ------------------------------------------------------------------------------------ Further away from Rockville is a nicer, staffed campground, in Clarksburg. Little Bennett Campground 23705 Frederick Rd, Clarksburg, MD 20871. 91 wooded campsites from which to choose, three cabins, three yurts. It also offers Full Hook-Up and Pull-Thru sites for RVs. https://www.montgomeryparks.org/parks-and-trails/little-bennett-regional-park/little-bennett-camping

Seneca park