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GR-25Long Distance Trail (GR)·Linear
GR-25. Etapa 05. Barria-Legutio
San Millán, Biscay
Moderate48.8/100Year-round
Distance
29.7 km
Est. duration
8h 31min
Elevation gain
+657 m
Elevation loss
-626 m
Highest point
726 m
Lowest point
550.2 m
Average elevation
618 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 20.4 · 1.7 km Distance
10% Avg
553m – 726mSlope21% Max
RiskMEDIUM
Dangerous Descent
km 7.7 · 0.4 km Distance
12% Avg
603m – 647mSlope20% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 16.3 · 1.0 km Distance
9% Avg
589m – 676mSlope16% Max
RiskMEDIUM
Dangerous Descent
km 23.6 · 0.7 km Distance
11% Avg
573m – 651mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 28.9 · 0.4 km Distance
11% Avg
555m – 602mSlope13% Max
RiskMEDIUM
Dangerous Descent
km 13.5 · 1.3 km Distance
10% Avg
581m – 715mSlope12% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 22.3 · 1.0 km Distance
11% Avg
550m – 660mSlope12% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 11.7 · 1.3 km Distance
7% Avg
609m – 707mSlope10% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)19%Gentle (1–5%)43%Steep (5–10%)22%Extreme (≥10%)16%
Child-friendlyNo
Pet-friendlyNo
- 👟Light hiking shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 6–7 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🩹Basic first aid kit + whistle + thermal blanketFirst aid kitEssential
- 🗺️GPS or offline route downloadNavigationEssential
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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 | 42.91602, -2.43473Open in maps |
| End | 42.98157, -2.64235 |
| Track points | 481 |