The boundary between Suffolk and Cambridgeshire runs through which racecourse?
Burwell, Cambridgeshire the boundary followed Devil's Dyke through the neighbouring village of Reach bisecting it until it was formed into a new parish in 1961. The other boundaries of the parish have also changed slightly several times over the years, most obviously on the south-eastern edge, where part of the Parish including part of Newmarket Racecourse was lost to Newmarket when the boundary was adjusted to follow the A14 bypass in 1993. The boundaries with Newmarket and Exning parishes are also the boundary between the county of Cambridgeshire and neighbouring Suffolk. As with the rest of England, a system of Hundreds used
River Stour, Suffolk River Stour, Suffolk The River Stour () is a river in East Anglia, England. It is long and forms most of the county boundary between Suffolk to the north, and Essex to the south. It rises in eastern Cambridgeshire, passes to the east of Haverhill, through Cavendish, Bures, Sudbury, Nayland, Stratford St Mary, Dedham and flows through the Dedham Vale Area of Outstanding Natural Beauty. It becomes tidal just before Manningtree in Essex and joins the North Sea at Harwich. The name is of ambiguous and disputed origin. On one theory, the name "Stour" derives from the Celtic "sturr" meaning