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PR-BI-101Short Distance Trail (PR)·Circular
PR-BI-101. Ruta Peñas Blancas
Alonsótegui, Biscay
Moderate27.6/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Dangerous Descent
km 5.4 · 1.5 km Distance
22% Avg
120m – 448mSlope47% Max
RiskHIGH
Demanding Climb
CAT 3
km 1.8 · 1.1 km Distance
15% Avg
168m – 338mSlope30% Max
RiskHIGH
Demanding Climb
km 0.7 · 0.6 km Distance
13% Avg
50m – 124mSlope26% Max
RiskHIGH
Dangerous Descent
km 8.2 · 0.3 km Distance
12% Avg
101m – 139mSlope24% Max
RiskMEDIUM
Dangerous Descent
km 8.6 · 0.4 km Distance
11% Avg
52m – 99mSlope16% Max
RiskMEDIUM
Distance
9.0 km
Est. duration
2h 58min
Elevation gain
+428 m
Elevation loss
-450 m
Highest point
455.8 m
Lowest point
19.6 m
Average elevation
223 m
7-Day Forecast
Slope distribution
Flat (≤1%)11%Gentle (1–5%)19%Steep (5–10%)26%Extreme (≥10%)45%
Child-friendlyNo
Pet-friendlyYes
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 3–4 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🗺️Offline download recommendedNavigationRecommended
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About this trail
Senderos de Pequeño Recorrido (PR)
| Start municipality | Alonsótegui |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.24780, -2.98994Open in maps |
| Track points | 347 |