NIGHTBRINGER | The Arthurian Encyclopedia

Agravain’s Hill

Le Tertres Agravaine

A hill formerly known as the Hill of Wretches (La Tertre as Caitis).

Its lords, Druas the Cruel and Sorneham of Newcastle, imprisoned good knights there until it was liberated by Agravain and Gaheris.


Source
Vulgate Lancelot | 1215-1230