Longueval is a commune in the Somme department in Hauts-de-France in northern France. Longueval is located 38 km northwest of Amiens o…Longueval is a commune in the Somme department in Hauts-de-France in northern France. Longueval is located 38 km northwest of Amiens on the D919 road, at the junction with the D8. Longueval is found in the north-east of the département, almost equidistant to the surrounding towns of Péronne, Albert and Bapaume.