The World of Ice and Fire (US, UK) will be released October 28. Editors, please refrain from including information from the book prior to November 27.
From A Wiki of Ice and Fire
and the location of the Grey Cliffs
The Grey Cliffs are a series of cliffs in the North. They lie along the shore of the narrow sea, east of Karhold.
A Dance with Dragons
The great cog Saathos Saan founders off of the Grey Cliffs.
References and Notes