The area bounded by a line commencing on the Lothian/Borders regional boundary at a point grid reference NT 1602 5619 on the River North Esk; then generally northwards, eastwards and southwards by fenceline, which forms the curtilage boundary of property known as Paties Mill on the north side of the River North Esk, to rejoin the said regional boundary at a point grid reference NT 1612 5619 on the River North Esk; then generally westwards along the said regional boundary to the point of commencement.