Once freed from the dungeon of Fjorn and safely through the Forest of Fjorn, our two parties of heroes reunite and head further west in the tracks of the Chegjan. This map may help. They cross the Ulava River by Vorç and then go up the Gnura and Athor Rivers to Mount Rggan.
I know the orthography is a pain but that mountain sounds like "urge-on." I had to take out all the Eastern European characters that I prefer and since "j" is always like "y" I settled on a double g for the "g" in "gin," which makes no logical sense. Enjoy the challenge!
As always, click on the image to view a larger version.