Outer Curtain Wall
From ShireWiki
The Outer Curtain Wall is the wall surrounding Raynor's Keep. It was built by order of Kaiser Gaelen I between 647 and 682 ASC and served to protect the buildings on the Outer Keep.
It's still standing, after careful and repeated renovation, and encloses the whole Outer Keep, with exception of the places where the Inner Keep stands.
There are three main entrances through the Wall: the Golden Gate, the Iron Gate and the Silver Gate. The Western Quadrangle Fort also has an entrance which leads outside the Keep, toward the Tempus Sanctuary and the Inner Keep itself acts as a gateway to Malaborty Park.