Yarnbury Castle is a multiphase, multivallate Iron Age hillfort near Steeple Langford, Wiltshire, England, dating to 500 BC–1 AD [1]. The 28.5-acre (11.5-ha) site was surveyed by the Royal Commission on the Historical Monuments of England in 1991, revealing Iron Age and Romano-British pottery, coins, and human burials [1]. Evidence indicates prolonged and extensive settlement of the site [1].
Yarnbury Castle

| Type | Fortress/citadel |
|---|---|
| Period | 500 BC - 1 AD |
| Country | England |
| Coordinates | 51.1632° N, 1.9510° W |
England