You could always augment the ACO facilities with:
http://www.bumperdumper.com/Maybe these could come free with the purchase of a camping ticket. Mind you, strolling around the campsites would be a bit hazardous, as would the wheelspin that would go with not being able to get any purchase on the grass when pulling off the site. Hardly bares thinking about.
H
Bella Lugosi smiley