The exploration starts in the bottom, at the Esoteric Order base camp on the Little Sellen River. Scouting and reports from the nearby Stolen Lands mean this blank map (basic geography) is revealed beforehand.
Each hex is 18km (12 mi.), and takes 1 day to travel (2 hexes/day if by boat) and 1-2 days to explore.
Starting info says that the Moonmere is located by the source of a river, giving 4 pretty clear possibilities for a search.
d5 Gamers 