Sains-lès-Pernes
Sains-lès-Pernes is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.Geography
Sains-lès-Pernes is at the junction of the D70 and D71 roads, some northwest of Arras, close to the town of Pernes. It is the source of the river Clarence, at a place known as "Le Buich".Population