Aizkorri Refuge and Hermitage – San Adrián Tunnel loop from Zalduondo
Aizkorri Refuge and Hermitage – San Adrián Tunnel loop from Zalduondo
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hikers
Aizkorri Refuge and Hermitage – San Adrián Tunnel loop from Zalduondo
06:24
16.4km
880m
Hiking
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Last updated: June 11, 2026
Tips
Includes segments that may be dangerous
Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 4.84 km for 211 m
After 7.52 km for 854 m
After 8.43 km for 1.60 km
Waypoints
Start point
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7.96 km
Aizkorri Refuge and Hermitage
Highlight • Mountain Hut
Translated by Google •
Tip by
8.22 km
Tontorraundi Summit (1,484 m)
Highlight • Summit
Translated by Google •
Tip by
8.50 km
Aiztontor Altuna (1,454 m)
Highlight • Summit
Translated by Google •
Tip by
8.51 km
Altuna Peak
Highlight • Summit
Translated by Google •
Tip by
8.60 km
Path to Calvary
Highlight (Segment) • Trail
10.2 km
Leizarrate Summit (1,053 m)
Highlight • Summit
Translated by Google •
Tip by
10.2 km
San Adrián Tunnel
Highlight • Cave
Be careful if it is wet or damp as the stones slip a lot.
Translated by Google •
Tip by
10.9 km
Roman Road Near San Adrian Tunnel
Highlight • Historical Site
Translated by Google •
Tip by
16.4 km
End point
Way Types & Surfaces
Way Types
6.34 km
4.91 km
3.01 km
2.09 km
Surfaces
6.17 km
4.91 km
4.45 km
820 m
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Elevation
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Weather
Powered by Foreca
Saturday 29 August
27°C
9°C
49 %
Additional weather tips
Max wind speed: 16.0 km/h
to get more detailed weather forecasts along your route
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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