E10 Bizkar ibilbidea: Leintz Gatzaga - Arantzazu

A 26.7 km National Hiking trail, E10 Bizkar ibilbidea: Leintz Gatzaga - Arantzazu takes walkers through a varied section of terrain.

Covering 26.7 km, this demanding trail is best tackled by experienced walkers in good condition. Budget roughly 5 hours and 56 minutes or consider splitting it across two days.

This linear trail moves from one end to the other without looping back. A return journey by transport — or retracing the path — is needed to get back to the start. Look for the GR 121 trail markings to stay on the official route.

The National Walking Network (NWN) designation reflects the importance of this trail at a national level. Expect consistent waymarking and well-maintained path surfaces.