Top Gard official Thierry Dousset told BFM-TV that about 750 people were evacuated from five campsites.
The Gard government also said four German children were hospitalised for hypothermia in Bagnols-sur-Ceze.
BFM-TV reported that the missing person was a 70-year-old German man.
Police said the missing man was swept away in his caravan by floodwaters.
He was accompanying a group of around 100 German children.
Jean-Yves Chapelet, mayor of Bagnols, said many Dutch tourists were among the 350 campers evacuated there.
As much as four inches of rain fell in less than three hours in some areas of central and southern France.
More to follow…
Source : EXPRESS