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GR-25Long-distance trail (GR)·Linear

GR-25. Etapa 03. San Román de San Millán-Zalduondo

San Millán, País Vasco

Moderate33.8/100Year-round

Elevation profile

Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)

Critical Segments

Demanding Climb

CAT 4

km 9.6 · 0.9 km Distance

13% Avg
656m – 770m
Slope28% Max
RiskHIGH

Demanding Climb

km 12.4 · 0.7 km Distance

10% Avg
766m – 832m
Slope24% Max
RiskMEDIUM

Dangerous Descent

km 1.8 · 0.8 km Distance

11% Avg
638m – 722m
Slope16% Max
RiskMEDIUM

Demanding Climb

km 0.2 · 0.7 km Distance

8% Avg
617m – 671m
Slope11% Max
RiskMEDIUM

Demanding Climb

km 1.0 · 0.7 km Distance

7% Avg
671m – 722m
Slope17% Max
RiskLOW

Dangerous Descent

km 14.9 · 0.7 km Distance

10% Avg
745m – 815m
Slope17% Max
RiskLOW

Demanding Climb

km 8.6 · 0.6 km Distance

7% Avg
620m – 663m
Slope12% Max
RiskLOW

Dangerous Descent

km 15.6 · 0.4 km Distance

6% Avg
721m – 742m
Slope8% Max
RiskLOW
Distance

19.8 km

Est. duration

5h 35min

Elevation gain

+381 m

Elevation loss

-375 m

Highest point

832.7 m

Lowest point

571.3 m

Average elevation

682 m

Slope distribution

Flat (≤1%)18%Gentle (1–5%)44%Steep (5–10%)25%Extreme (≥10%)13%
Child-friendlyNo
Pet-friendlyNo

About this trail

Senderos de Gran Recorrido (GR)

Start municipalitySan Millán
RegionPaís Vasco
SourceFederación Española de Deportes de Montaña y Escalada (FEDME)
Start42.86510, -2.31271Open in maps
End42.88553, -2.34592
Track points435
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