Wade's Causeway is the name most commonly given to a sinuous, linear monument up to 6000 years old that lies within the North York Moors national park area in North Yorkshire, England. The name may refer to either scheduled ancient monument number 1004876—an extant length of stone course of just over one mile in length on Wheeldale Moor, and that is known locally as the Skivick—or to a postulated greater original extension of this structure to the north and south for up to 25 miles. The extant, visible course on Wheeldale Moor consists of a modest embankment of soil, peat, gravel and loose pebble 0.7 metres (2–3 feet) in height and 4–7 metres (16–26 feet) in width. The gently cambered embankment is capped with unmortared and loosely abutted flagstones. Its original form is somewhat uncerta