START (GR 593136) on B184, Leaden Roding, at Paint mark by 3rd Kerb joint before surface drain at northern end of lay-by at entrance to school. Proceed through Aythorpe Roding to turn at roundabout at junction with Clopton Hall Lane (5.5m). Retrace to FINISH (GR 593152) opposite E.P.20 (EP is behind hedge in field) which is 15 Kerb joints north of speed restriction sign North of Aythorpe Roding Village.