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GR-120Long Distance Trail (GR)·Linear
GR-120. Etapa 02. Zumárraga-Arantzazu
Urrechu, Biscay
Moderate47.7/100Year-round
Distance
19.5 km
Est. duration
6h 10min
Elevation gain
+768 m
Elevation loss
-453 m
Highest point
1,194 m
Lowest point
348.7 m
Average elevation
662 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 2
km 13.2 · 2.4 km Distance
20% Avg
712m – 1194mSlope42% Max
RiskHIGH
Dangerous Descent
km 17.3 · 1.9 km Distance
16% Avg
749m – 1050mSlope36% Max
RiskHIGH
Dangerous Descent
km 16.2 · 0.9 km Distance
11% Avg
1048m – 1142mSlope24% Max
RiskMEDIUM
Demanding Climb
CAT 3
km 11.3 · 1.5 km Distance
11% Avg
555m – 718mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 15.8 · 0.4 km Distance
11% Avg
1143m – 1188mSlope16% Max
RiskMEDIUM
Demanding Climb
km 9.3 · 1.1 km Distance
7% Avg
466m – 543mSlope11% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)25%Gentle (1–5%)33%Steep (5–10%)15%Extreme (≥10%)26%
Child-friendlyNo
Pet-friendlyNo
- 🥾Mountain boots with Vibram soleFootwearEssential
- 🪄Trekking poles highly recommendedTrekking polesEssential
- 💧Carry 5–6 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🗺️GPS or offline route downloadNavigationEssential
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About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Urrechu |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.09044, -2.31560Open in maps |
| End | 42.97904, -2.39735 |
| Track points | 309 |