as a Celtic tribe (perhaps the Helvetii) who lived just beyond them. Aristotle placed the Riphean mountains on the borders of Scythia, and Hyperborea further north. Hecataeus of Abdera and others believed Hyperborea was Britain.

Later Roman and Greek sources continued to change the location of the Riphean mountains, the home of Boreas, as well as Hyperborea, supposedly located beyond them. However, all these sources agreed these were all in the far north of