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GR-11Long Distance Trail (GR)·Linear
GR-11. Etapa 01. San Antón-Bera
Fuenterrabía, Biscay
Moderate49.1/100Year-round
Distance
31.5 km
Est. duration
8h 43min
Elevation gain
+515 m
Elevation loss
-437 m
Highest point
446.1 m
Lowest point
2.8 m
Average elevation
263 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
Demanding Climb
CAT 3
km 21.5 · 1.1 km Distance
15% Avg
255m – 417mSlope23% Max
RiskHIGH
Dangerous Descent
km 28.1 · 2.3 km Distance
13% Avg
36m – 324mSlope19% Max
RiskHIGH
Demanding Climb
CAT 3
km 9.1 · 1.8 km Distance
12% Avg
12m – 239mSlope17% Max
RiskHIGH
Demanding Climb
CAT 3
km 12.1 · 2.5 km Distance
10% Avg
188m – 445mSlope17% Max
RiskMEDIUM
Dangerous Descent
km 16.3 · 2.4 km Distance
9% Avg
164m – 387mSlope15% Max
RiskMEDIUM
Demanding Climb
km 20.4 · 0.5 km Distance
9% Avg
197m – 247mSlope12% Max
RiskMEDIUM
Dangerous Descent
km 25.6 · 0.6 km Distance
9% Avg
346m – 401mSlope13% Max
RiskLOW
Dangerous Descent
km 15.4 · 0.5 km Distance
9% Avg
400m – 442mSlope11% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)27%Gentle (1–5%)29%Steep (5–10%)20%Extreme (≥10%)24%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running 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 | Fuenterrabía |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.39267, -1.78966Open in maps |
| End | 43.28063, -1.68221 |
| Track points | 1,701 |