2. The Aizkorri-Aratz nature park, straddling the provinces of Álava and Gipuzkoa,
stands out for its limestone mountains and its endless beech woods.
It boasts the highest peak in the Basque Country, Aitxuri (1,551 m) and legend
has it that the mythological goddess Mari can still be found among its peaks.
3. The Aizkorri-Aratz park contains treasures like the Tunnel of San
Adrián, with a chapel of the same name hidden inside it, as well as a
once-busy mediaeval road.
