Among the most remarkable are Vespasian's Camp, near Amesbury; Silbury Hill, the largest artificial mound in Europe, near Avebury; the mounds of Marlborough and Old Sarum; the camps of Battlesbury and Scratchbury, near Warminster; Yarnbury, to the north of Wylye, in very perfect preservation; Casterley, on a ridgeway about 11 kilometers east-southeast of Devizes; Whitesheet and Winkelbury, overlooking the vale of Chalk; Chisbury, near Savernake; Sidbury, near Ludgershall; and Figsbury Ring, five kilometres (3 mi) northeast of Salisbury.