They Are also beneath investigation for “running an unauthorised campsite” in Saint-Julien-de-Peyrolas.
They may potentially be charged for manslaughter if the lacking German man is confirmed dead.
A seek operation is continuing.
On Thursday, the river Ardèche burst its banks, swamping the campsite.
One camper instructed French community BFMTV they could listen the kid’s cries “within the branches”, but have been not able to achieve them.
The youngsters have been later evacuated. Nine of them had minor accidents.