The Tricastin is a natural and historic region in the southern Rhône valley of southeastern France comprising the southwestern portion of the Drôme department and the northwestern portion of Vaucluse and centered on the modern town of Saint-Paul-Trois-Châteaux.
View of the Rhône valley and the Tricastin
Mushroom hunter and his dog
Tuber melanosporum, the French black truffle
The Tricastini were a small Gallic tribe dwelling in the modern Tricastin region, near present-day Saint-Paul-Trois-Châteaux, during the Iron Age and the Roman period.
Inscription from Vasio mentioning Antistia Pia Quintilla, the flamen of the Colonia Flavia Tricastinorum.