NIGHTBRINGER | The Arthurian Encyclopedia

Narrow Castle

Chastel Estroit, Chastel Etroit

A fortress in North Wales where Dinadan had to defend himself against a charge of murder. Brunor the Black, Dinadan’s brother, championed Dinadan and acquitted him.

The castle seems to be ruled by the Duke of Haudebourc, who presided over the combat.


Source
Prose Tristan | 1230-1240