The Berriatuko Ermitxetatik Ibilaldia is a walking event in Berriatua, beginning in the town's main square in the morning. Registration on the day is available at the town hall for 7 euros.
The event offers participants three route choices. The short walk covers 9.5 km with 370 m of climbing, the middle option is 14 km with 600 m of climbing, and the long route extends to 22 km with 1,100 m of elevation gain. Even the shortest option involves significant climbing.