cl sites

forgive me for being naive...i have been motorhoming for a few years.....our habits are usually to head to either 1 or 2 sites at the other end of the country and have a good old nosey around...but last night was trying to plan a couple of weeks tour and was looking to book onto some CL sites...however thumbing through the site directory am having trouble finding CL sites that except motorhomes....im i right in thinking that if said site in the handbook does,nt show a motorhome symbol then that particular site does not except motorhomes...the reason i ask is last night i could,nt find any atall....i have emailed the caravan club but to no avail.....any adice would be much appreciated