Hartham Common is a park in the county of Hertfordshire in the East of England. It is located between the town centre of the county town of Hertford and the elevated suburb of Bengeo.
Wikipedia https://en.wikipedia.org/wiki/Hartham_Common
Official Website https://www.eastherts.gov.uk/sports-leisure-parks/local-parks-open-spaces-0/parks-open-spaces-hertford/hartham-common-park-play-areas
Coordinates 51°48'9.209" N -0°4'24.736" E