THE ADVENTURE COLLECTIVE® · Independent discovery and booking for outdoor travel
A full-day private trek from San Sebastián into the Aizkorri massif: 17 km, 800 m elevation gain, cultural highlights like Arantzazu sanctuary, latxa sheep and the San Adrián tunnel. Expect limestone ridges, raptors overhead, and a picnic of local specialties.
A full-day private trek from San Sebastián into the Aizkorri massif: 17 km, 800 m elevation gain, cultural highlights like Arantzazu sanctuary, latxa sheep and the San Adrián tunnel. Expect limestone ridges, raptors overhead, and a picnic of local specialties.
Book with Ikusnahi Tours
Book directly with Ikusnahi Tours for the best rates and real-time scheduling.
Reserve NowVerified experiences and guided adventures in the surrounding area.
Operated by Ikusnahi Tours · Oñati, Gipuzkoa
Morning light strips the chill from high meadows as the guide unloads the gear and points toward a limestone skyline—this is Aizkorri, the roof of Gipuzkoa.
moderate.
7–9 hours.
Suitable for hikers with regular aerobic exercise and experience on uneven trails; some sustained climbs and descents required.
The route is rated medium: 17 km and ~800 m of gain over mixed terrain; regular hikers in moderate fitness should be comfortable with breaks.
Families are possible but assess stamina and footing—service notes indicate at least moderate fitness is expected; ask the operator about child-friendly options.
Yes—hotel pickup, drop-off and all transport costs are included in the tour price.
Expect birds of prey like griffon vultures and peregrine falcons; shepherding sheep (latxa) are common in the pastures.
Arantzazu sanctuary, built in the 1950s, brought together leading Basque artists and sits on an ancient pilgrimage route; San Adrián tunnel served as a medieval pass linking inland and coastal communities.
Grazing practices shape the high meadows and help maintain biodiversity; stay on trails to protect fragile karst vegetation and avoid disturbing nesting raptors.
Ikusnahi Tours operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
Book with Ikusnahi Tours
Book directly with Ikusnahi Tours for the best rates and real-time scheduling.
Reserve Now