The Hylands Park is a public park with a big mansion (English: country house ). It has an area of 2.3 km ². The park is located near Chelmsford in Essex, England, east-northeast of London. It belongs to the people of Chelmsford and is subject to the local state administration. Although it is open to the public at large events - closed to public access - such as the annual Rock Festival V Festival.
Hylands Park was the venue for the 2005 and 2007 Eurojam the 21st World Scout Jamboree 2007, the international scouting organization WOSM.