📌 (0h0min; 0 kms) Villanueva de Aezkoa (920m). We head towards the upper part of the village, where a path heads north, between meadows, towards the Sierra de Berrendi. We pass a trough We join a road that we will follow to the right until the end of the road (source💧 ), where it gives way to a path that climbs steeply through the beech forest.

📌 (1h10min; 3,2 kms) Ollokiate Pass (1.275m). Nearby, to the left, is the peak of Berrendi (1,351m). The GR11 turns right and continues through the forest, close to the edge of the mountain range. After the Portillo de Martxate, the path comes out onto clear ground where it joins a track that takes us to the...

📌 (3h05min; 9,6 kms) Tapla Pass (1.367m)The path crosses a small road that links Ochagavía with the Casas de Irati. The path climbs towards Idorrokia (1492m), leaves it to the left and continues along the high part of the Sierra de Abodi, between meadows, to the geodesic vertex of...

📌 (3h35min; 11,5 kms) Western Abodi or Harrizabala (1.496m). We leave it behind and continue to the...

📌 (3h45min; 12,6 kms) Paso de las Alforjas (1.440m). Shelter in the vicinity (free, precarious). The GR11 leaves the high part of the sierra to descend through grassy terrain, halfway down the southern slope of the sierra. The path runs along the edge of the forest until it reaches a ridge where it turns south and descends directly in search of a track. We follow it to the left (E), although we soon leave it to go down along paths until we reach another one that we follow in a southerly direction - uphill - along a hill that extends to the Muskilda Sanctuary. Before we cross the road that goes up from Ochagavía.

📌 5h10min; 18,9) Sanctuary of Muskilda (1020m). The place is worth a stop before tackling the short but steep descent to...

📌 (5h45min; 20,6 kms) Ochagavía (750m).