A (2004) pushpin set is available, to Motorhome List members only, here in .csv format which can be imported into most versions of Autoroute and other navigation software. The descriptions are somewhat brief, and in French, but it may be useful...
Caravan Club, Camping and Caravanning Club and French sites pushpins files for Microsoft Autoroute: http://www.jollyinteresting.co.uk/pushpins/index.html
Pushpin files
for CC CL sites, Welsh Heritage, English Heritage, Historic Scotland, Michelin
Green Guide, and RSPB sites are available, to Motorhome List members only, here
The files are in .csv format and thus suitable for importing into any version
of Autoroute and probably other navigation software
Pushpin files, lat/long co-ordinates and TomTom Navigator overlays are available, for LPG filling stations in the UK, here: http://www.lpgmap.co.uk/