was a gray she-wolf of Medwyn's Valley
. She was smaller than her mate Brynach
, and had "a white blaze on her breast".
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A pack of gray wolves followed Taran and his Companions through the Eagle Mountains as they neared Medwyn's Valley. Years later, Eilonwy later deduced that Brynach and Briavael had been among them.
Briavael came to greet the crow Kaw after Brynach had brought the wounded bird into Medwyn's Valley. Later, Briavael and Brynach rescued Eilonwy and the companions from Dorath.