Heydon is a village in the East of England region and the county Cambridgeshire in the United Kingdom. The area of the village is 862 hectares (2,130 acres). Heydon has the King William IV Pub as its only pub. The village also has the Wood Green Animal Shelter Small Animals Rescue Home. And on the edge of Heydon it has its own Golf Course "Heydon Grange Golf Club consisting of an 18hole and 9 hole golf course with Driving Range. It is also situated on what is one of the highest places in Cambridgeshire, with nearby village Great Chishill being the very highest.