A medium mountain route over the Aratz massif and the Sierra of Aizkorri which includes the four highest peaks in the Basque Autonomous Region ( Aratz – Aitzkorri –Akategi and Aitxuri ). From the town of Zegama ( 296m) it is climbed up to the high of Otzaurte (652m ) and then, from the mountain pass mentioned before, a route along paths and mountain tracks of great natural beauty. It combines forests, principally beech, with steep rocky slopes and high grazing land. It is very technical and with a high level of difficulty.
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Information about the event is available in : English Basque Spanish