Cissbury Ring is an 84.2-hectare (208-acre) biological Site of Special Scientific Interest north of Worthing in West Sussex, England [1]. It is owned by the National Trust and is designated a Scheduled monument for its Neolithic flint mine and Iron Age hillfort [1].
Cissbury Ring

| Type | Mine/quarry |
|---|---|
| Period | 1500 - 500 BC |
| Country | England |
| Coordinates | 50.8581° N, 0.3750° W |
England