Portfield (Planes Wood Camp) is a late Bronze Age or Iron Age hillfort located near Whalley in Lancashire, England [1]. The original univallate (single rampart) structure was later modified into a small multivallate (multiple rampart) fortification [1].
Portfield Hillfort

| Type | Fortress/citadel |
|---|---|
| Period | 1500 - 500 BC |
| Country | England |
| Coordinates | 53.8152° N, 2.3875° W |
England