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GR-1Long Distance Trail (GR)·Linear
GR-1. Etapa 57. Peñacerrada (Urizaharra)-Berganzo
Zambrana, Biscay
Easy19/100Year-round
Distance
8.0 km
Est. duration
2h 20min
Elevation gain
+202 m
Elevation loss
-96 m
Highest point
775.2 m
Lowest point
567.2 m
Average elevation
693 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 2.8 · 0.5 km Distance
13% Avg
699m – 762mSlope21% Max
RiskMEDIUM
Dangerous Descent
km 4.5 · 0.4 km Distance
11% Avg
708m – 757mSlope17% Max
RiskMEDIUM
Demanding Climb
km 1.0 · 0.6 km Distance
8% Avg
608m – 652mSlope17% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)25%Gentle (1–5%)31%Steep (5–10%)18%Extreme (≥10%)26%
Child-friendlyYes
Pet-friendlyYes
- 👟Trail running shoesFootwearRecommended
- 💧Carry 3–4 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
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About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Zambrana |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 42.64977, -2.78241Open in maps |
| End | 42.64594, -2.71289 |
| Track points | 345 |