Thunder Cliff runs to the barren land, goes south, gets off the elevator to the Thousand Needles Stone Forest, and there is a road to Fielas in the northwest corner. Moussatche camp is in the east of the middle of the map. Just follow this road.

There is a LM plane point when the Thousand Needles Stone Forest enters Fielas. Usually it won't hit you, but it will irritate you. ...