Colchester Castle Park is situated to the north east of Colchester Town Centre and is divided into the Upper Park and Lower Park by the Roman Wall that crosses through it east to west. The park spans an area of 11 hectares and is listed Grade II in the English Register of Parks and Gardens of Special Historic Importance.

The Castle Museum, Hollytrees Museum, Play Park, Cafe, Crazy Golf and Bandstand are located in the Upper Park next to the Town Centre. Both are Grade II listed buildings and the Upper Park lies inside the Conservation Area of the Town Centre. The Lower Park is adjacent to the cricket ground and expands downwards to the River Colne.

Events run throughout the year with a number that are free.  A full listing can be found on the Events page on the website.