Head to Orbaizeta via the NA-2030 road, follow signs for Fabrica de Armas de Orbaizeta and park in the car park on the left-hand side of the street before reaching the hamlet.
(S/E) Continue along the road to cross the hamlet overlooking the arms factory.
Take the small road that descends to the left towards the bridge and a farm. Then turn right onto a track suitable for vehicles.
(1) Turn right onto it and head up the Itolaz valley to a three-way junction at the confluence of two streams: the Regata d’Ortxola and the Regata de Itolatz.
(2) Take the track on the left heading westwards, climbing towards a pass and crossing theGR®®11.
(3) Do not cross the footbridge but turn immediately left onto theGR®®11, which climbs through the forest.
Ignore the first turn-off to the left.
(4) Turn left towards the east.
The track turns north-east, descending into the Lauzaran Forest to join the SL-NA-59B.
(5) Turn right onto the local path until you reach a T-junction.
(6) Turn left onto the SL-NA-59B path which runs at the foot of the Arlagain.
Ignore the path on the right towards the Lutoa caves.
(7) Turn right towards the ruins of Arlekia Castle.
(8) Head back down to the local path via the same route.
(7) Continue right along the path descending into the forest, then emerge onto a meadow to return to the farm at the initial crossroads passed on the way out.
(1) Turn right and follow the route taken on the way out to return to the car park at the arms factory (S/E).