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GR-178Long Distance Trail (GR)·Linear
GR-178. Etapa 02. Osor-Pantano de Sau
Osor, Lleida
Moderate34.5/100Year-round
Distance
26.3 km
Est. duration
6h 40min
Elevation gain
+54 m
Elevation loss
-104 m
Highest point
847.8 m
Lowest point
324.4 m
Average elevation
562 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 1.1 · 3.4 km Distance
13% Avg
374m – 823mSlope25% Max
RiskHIGH
Dangerous Descent
km 6.4 · 1.2 km Distance
12% Avg
702m – 847mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 10.2 · 0.9 km Distance
11% Avg
596m – 691mSlope14% Max
RiskMEDIUM
Dangerous Descent
km 14.7 · 2.7 km Distance
9% Avg
418m – 655mSlope12% Max
RiskMEDIUM
Dangerous Descent
km 13.5 · 0.9 km Distance
9% Avg
659m – 744mSlope14% Max
RiskLOW
Demanding Climb
km 25.4 · 0.9 km Distance
8% Avg
352m – 424mSlope13% Max
RiskLOW
Demanding Climb
CAT 4
km 11.5 · 2.0 km Distance
8% Avg
597m – 745mSlope11% Max
RiskLOW
Dangerous Descent
km 24.3 · 0.7 km Distance
9% Avg
355m – 413mSlope11% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)12%Gentle (1–5%)26%Steep (5–10%)36%Extreme (≥10%)26%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 💧Carry 5–6 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🩹Basic first aid kit + whistle + thermal blanketFirst aid kitEssential
- 🗺️GPS or offline route downloadNavigationEssential
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About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Osor |
| Region | Lleida |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 41.94569, 2.55593Open in maps |
| End | 41.96711, 2.41184 |
| Track points | 2,516 |