We have stayed at some great campsites in France and most of them are listed on the following review site : www.bestfrenchcampsites.com
The ones we liked best were St Cast le Chatelet for its great beach although the cliff path can be avoided with small children - its possible to go via the road to the beach and I think there may be a short cut another way as well avoiding the cliff path.
We also like La Baie at Trinite Sur Mer as there is lots to see around Carnac. And finally Les Deux Fontaines was a lovely quiet campsite with lots of space for kids to run around, two good playparks - one is hidden in a field ! and a nice swimming pool.
We didnt camp abroad until the youngest was about 4 as it can be tricky even in a mobile home keepiing an eye on them. Best tip is to arrange the sunloungers etc to create a garden area to fence them in ! We have also camped in tents with children. Best tip there is to take some old doormats to arrange at the door to trap the mud as its being walked towards the tent !
Happy Camping !
