X2 on Clutch's suggestion of "excuse me - can I help you ?", and I also think that the temporary fence on a permanent campsite IS a supportive suggestion. We camped recently for a week in a CG where most of the permanent and seasonal sites had some type of fence on or around it, and no one had any problem with that, so why not erect some type of decorative barrier that should discourage walk-throughs ??
2003 Ford F-350 V-10 Crew Cab 4WD Long Bed
2004 Jayco Designer Medallion 29 RLTS 5th wheel
Bill, Gayle, and Mindi (dachshund)
Retired at last !
Nothing is foolproof to a sufficiently talented fool.