start in lower road, which is first lane on left north of birch village hall, at entrance gate to pumping station. proceed to junction with b1022 (m), where turn sharp left (great care). proceed through tiptree, great totham north and great totham south, to heybridge (m) turning left onto b.1026 at triangle roundabout. continue through goldhanger and tolleshunt d'arcy until reaching former 'kings head' public house where (m). turn left and continue for 1 mile to (m) turn left again, crossing abberton reservoir. go through layer breton and birch to finish at "birch street" sign, which is approx. 250 yards south of birch village hall.