The best place in France is Saint Pierre and Miquelon
) and with good swimming potential (river/lake/sea/open air pool).Thanks for that. A lot of places seem to have festival-type things around grape harvest time, but I'm finding it difficult to find out when/where they are. Do you have any idea whether there is anywhere I could find that out? I can understand enough French to read a website and get the gist of things but not really enough to do a useful google search...
) but there's a lot more there about what's going on at that time of year: http://www.saint-emilion-tourisme.com/The area that you drew on your map crosses more than one region, but I picked Aquitaine:
http://www.tourisme-aquitaine.fr/en/tourisme_aquitaine,375,m1_2AA27304,wine,festivity,aquitaine.html
And this one where you can choose your own region to search (left hand navigation):
http://www.culture.fr/fr/sections/r..._fr&SearchableText=&SearchWhere=saint emilion
^ Those two sites are quite easy to navigate, search and informative.
For places to stay, I've often used Logis de France in the past. My experience has been that they've been very reliable in terms of the descriptions and cheminées ratings:
http://www.logis-de-france.fr/uk/index.htm
Thanks for those, they are useful.
It seems that the weekend we woudl be there, there will be the Skylark Whistlers' World Championships.

I stayed in a campsite called Camping La CiteWhere did you stay while you were there? Somewhere you'd recommend?