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GR-121Long Distance Trail (GR)·Linear
GR-121. Etapa 05. Zumaia-Deba
Zumaia, Biscay
Moderate28.1/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Demanding Climb
CAT 4
km 10.9 · 0.9 km Distance
18% Avg
30m – 188mSlope34% Max
RiskHIGH
Dangerous Descent
km 12.5 · 1.0 km Distance
15% Avg
5m – 153mSlope33% Max
RiskHIGH
Demanding Climb
km 8.6 · 0.5 km Distance
15% Avg
22m – 98mSlope27% Max
RiskHIGH
Demanding Climb
km 2.0 · 0.6 km Distance
14% Avg
50m – 127mSlope20% Max
RiskHIGH
Dangerous Descent
km 10.5 · 0.4 km Distance
14% Avg
30m – 88mSlope29% Max
RiskMEDIUM
Dangerous Descent
km 6.0 · 1.7 km Distance
11% Avg
8m – 206mSlope24% Max
RiskMEDIUM
Dangerous Descent
km 9.1 · 0.4 km Distance
11% Avg
51m – 98mSlope13% Max
RiskMEDIUM
Distance
13.5 km
Est. duration
3h 39min
Elevation gain
+172 m
Elevation loss
-341 m
Highest point
219.4 m
Lowest point
3 m
Average elevation
92 m
7-Day Forecast
Slope distribution
Flat (≤1%)12%Gentle (1–5%)22%Steep (5–10%)21%Extreme (≥10%)44%
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 Gran Recorrido (GR)
| Start municipality | Zumaia |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.29968, -2.25493Open in maps |
| End | 43.29414, -2.35387 |
| Track points | 1,319 |