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SL-GI-1003Local Trail (SL)·Circular
SL-GI-1003. Las huellas de los antepasados
Rentería, Biscay
Moderate31/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Demanding Climb
CAT 4
km 1.7 · 0.6 km Distance
17% Avg
228m – 338mSlope42% Max
RiskHIGH
Demanding Climb
CAT 4
km 8.9 · 1.1 km Distance
14% Avg
184m – 337mSlope34% Max
RiskHIGH
Dangerous Descent
km 13.7 · 0.3 km Distance
21% Avg
177m – 241mSlope28% Max
RiskHIGH
Dangerous Descent
km 6.0 · 0.4 km Distance
18% Avg
177m – 242mSlope28% Max
RiskHIGH
Dangerous Descent
km 12.6 · 0.3 km Distance
15% Avg
247m – 296mSlope20% Max
RiskHIGH
Dangerous Descent
km 4.9 · 0.5 km Distance
11% Avg
244m – 298mSlope20% Max
RiskMEDIUM
Dangerous Descent
km 14.4 · 0.3 km Distance
8% Avg
168m – 194mSlope8% Max
RiskLOW
Dangerous Descent
km 6.7 · 0.4 km Distance
8% Avg
165m – 197mSlope8% Max
RiskLOW
Distance
15.4 km
Est. duration
4h 18min
Elevation gain
+271 m
Elevation loss
-352 m
Highest point
347.5 m
Lowest point
132.1 m
Average elevation
255 m
7-Day Forecast
Slope distribution
Flat (≤1%)6%Gentle (1–5%)22%Steep (5–10%)28%Extreme (≥10%)43%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 4–5 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🗺️GPS or offline route downloadNavigationEssential
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About this trail
Senderos Locales (SL)
| Start municipality | Rentería |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.26647, -1.90803Open in maps |
| Track points | 1,470 |