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GR-12Long Distance Trail (GR)·Linear
GR-12. Etapa 01. Etxegarate-Alto de Lizarrusti
Idiazabal, Biscay
Moderate34.4/100Year-round
Distance
14.2 km
Est. duration
4h 17min
Elevation gain
+448 m
Elevation loss
-567 m
Highest point
957.9 m
Lowest point
620.8 m
Average elevation
856 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 12.4 · 1.6 km Distance
20% Avg
624m – 944mSlope35% Max
RiskHIGH
Dangerous Descent
km 10.1 · 0.3 km Distance
17% Avg
858m – 912mSlope30% Max
RiskHIGH
Demanding Climb
CAT 4
km 0.0 · 0.5 km Distance
16% Avg
650m – 737mSlope28% Max
RiskHIGH
Demanding Climb
CAT 3
km 0.6 · 0.8 km Distance
22% Avg
739m – 911mSlope28% Max
RiskHIGH
Dangerous Descent
km 7.4 · 0.7 km Distance
17% Avg
819m – 940mSlope25% Max
RiskHIGH
Demanding Climb
CAT 4
km 6.8 · 0.6 km Distance
14% Avg
860m – 940mSlope22% Max
RiskHIGH
Dangerous Descent
km 2.8 · 0.4 km Distance
14% Avg
853m – 904mSlope22% Max
RiskMEDIUM
Dangerous Descent
km 4.5 · 0.3 km Distance
12% Avg
800m – 838mSlope20% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)6%Gentle (1–5%)17%Steep (5–10%)24%Extreme (≥10%)54%
Child-friendlyNo
Pet-friendlyYes
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 4–5 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 | Idiazabal |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 42.94680, -2.22592Open in maps |
| End | 42.96000, -2.09842 |
| Track points | 1,217 |