Instructions
By Airship
Travel to Jeuno by riding the airship from Port Bastok, Port Windurst or Port San d'Oria.
Zone into Lower Jeuno and rent a chocobo from the chocobo stables at (G-12) on your map. You will be transported to Rolanberry Fields.
Follow the path halfway down the map to (G-11). Head southwest off the path, go through the white fences and up the little hills and ramps until you reach the Crawlers' Nest zone entrance at (F-13).
Traveling from Windurst
Rent a chocobo and zone into East Sarutabaruta. Go to the northeast corner of the map and enter Tahrongi Canyon at (J-4).
Head northeast out of the mountains until you reach the intersection at (J-8). Take the path that goes north and follow it until you reach the Meriphataud Mountains at (G-3).
Follow the path to the intersection at (G-7). Take the path going north and then west until you reach the Sauromugue Champaign at (D-4).
Go north on the path. Keep following it when it turns west at (K-7) until the path ends at (H-7). Zone into Rolanberry fields at (E-7). Enter the Crawlers' Nest at (F-13).
Traveling from Bastok
Rent a chocobo and enter South Gustaberg at (H-11). Go south until you reach the path at (H-7) and follow it west. Turn north at (E-8) until you zone into North Gustaberg.
Stay on the path all the way up the map and enter the Konschtat Highlands at (E-6).
Hug the right wall until you reach (J-11). Go north until you find the path at (J-8) and follow it north into the Pashhow Marshlands.
Follow the path north. Turn right at the intersection at (H-6) and follow the path into Rolanberry Fields. Enter the Crawlers' Nest at (F-13).
Traveling from San d'Oria
Rent a chocobo and head to the southwest corner of West Ronfaure. Zone into La Theine Plateau at (F-12).
Take the path south. Turn east at (F-8) and continue to follow the path to (J-9). Take the path going north past the Crag of Holla and into the Jugner Forest at (M-8).
Follow the path all the way through the Jugner Forest and zone into Batallia Downs at (L-5).
Follow the southern wall until you reach (I-9). Head east and enter Rolanberry Fields at (K-10). Go south all the way down the path and enter the Crawlers' Nest at (F-13).