Nightbringer | The Arthurian Online Encyclopedia

Valdone Pass

A mountain pass near the Waste Forest, in the land owned by Perceval’s mother.

R.S. Loomis read it as Snowdon, but other scholars have disagreed.

Perceval, or Le Conte del Graal | Chrétien de Troyes, late 12th century
Fourth Continuation of Chrétien’s Perceval | Gerbert de Montreuil, c. 1230