All trails
GR-25Long Distance Trail (GR)·Linear
GR-25. Etapa 02. Adana-San Román de San Millán
San Millán, Biscay
Moderate42.8/100Year-round
Distance
24.1 km
Est. duration
7h 2min
Elevation gain
+596 m
Elevation loss
-629 m
Highest point
824.5 m
Lowest point
610.8 m
Average elevation
723 m
Elevation profile
Flat (≤1%)Gentle (1–5%)Steep (5–10%)Extreme (≥10%)
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Dangerous Descent
km 17.5 · 0.5 km Distance
13% Avg
765m – 825mSlope25% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 15.5 · 0.9 km Distance
11% Avg
669m – 770mSlope23% Max
RiskMEDIUM
Dangerous Descent
km 14.7 · 0.6 km Distance
11% Avg
678m – 740mSlope17% Max
RiskMEDIUM
Dangerous Descent
km 22.8 · 1.2 km Distance
8% Avg
616m – 708mSlope14% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 20.7 · 1.1 km Distance
9% Avg
667m – 762mSlope11% Max
RiskMEDIUM
Dangerous Descent
km 19.1 · 1.3 km Distance
7% Avg
672m – 771mSlope10% Max
RiskMEDIUM
Dangerous Descent
km 7.6 · 0.7 km Distance
9% Avg
721m – 786mSlope13% Max
RiskLOW
Demanding Climb
km 0.9 · 1.2 km Distance
3% Avg
643m – 685mSlope12% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)13%Gentle (1–5%)39%Steep (5–10%)34%Extreme (≥10%)13%
Child-friendlyNo
Pet-friendlyNo
Emergency exit points
- AziluTown1.1 km
- AdanaTown0.2 km
- Uribarri-JauregiTown2.2 km
- GereñuTown2.3 km
- AlaitzaTown2.5 km
Similar trails
About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | San Millán |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 42.82107, -2.47482Open in maps |
| End | 42.86511, -2.31271 |
| Track points | 408 |