Hi,welcome to caravaning, if your a member ao the caravan club try Hunters moon near wearham in dorset, very clean site wash rooms, etc all on site very quite no bar but play area for the kids,we liked it and will be going back, regards Michael
When you arrive there is parking don't park at the back as fridge lorries park there, or carry onto the motorway there is parking northbound and southbound available, toilets as well