His disappearance is considered worrying by the gendarmes.
A call for witnesses has been launched to try to find Youna Prado.
Aged 16, the teenager was last seen in the Plescop sector near Vannes (Morbihan) on Sunday.
She has since given no sign of life.
Of build, she is 1.58 meters tall and has medium-length, dark brown hair.
At the time of her disappearance, she was wearing dark clothes including a gray hoodie and purple sneakers.
Anyone with information about this disappearance is invited to contact the Saint-Avé gendarmerie at 02.97.53.47.55.
Miscellaneous facts
Pas-de-Calais: The body of the former mayor who disappeared in the forest has been found
Bordeaux
Gironde: The missing 14-year-old girl has been found
Disappearance
Wanted poster
Call for witnesses
Valves
Brittany
Teenager
Miscellaneous facts