Lexden Earthworks and Bluebottle Grove 
“The banks and ditches of a series of late Iron Age defences protecting the western side of Camulodunum – pre-Roman Colchester.…” – official site
Ease by public transport:
Unknown
“The banks and ditches of a series of late Iron Age defences protecting the western side of Camulodunum – pre-Roman Colchester.…” – official site
Ease by public transport:
Unknown