My parents owned a TT and had it parked all summer at a private campground for several years. They'd pull the trailer and we went on many, many road trips. They were square dancers and the "big" trip of the year was going to the annual national square dance conventions. I remember several long-haul trips.
But what I remember most about my early camping experiences (1965 through 1970) was that campground and the other campers there that had boys about my same age. We'd take our lawn chairs and sleep out at night on our own campsite. This campground was primitive camping 100%, and the owner's son would often join our overnights too. We'd build a fire, roast hotdogs and marshmallows, fish in the river, and skinny dip after dark in the old river than ran the length of the campground. We'd pay football, hike in the woods, and explore cornfields. Lots and lots of good memories. These were the days when kids could run free without any fear or dangers, and parents sat around their own campfires and guzzled their fermented brew (if you know what I mean). The times were much more simple then, much more "safe", and much more free. That's what I remember the most.