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GR-203Long Distance Trail (GR)·Linear
GR-203. Etapa 01. Corias-Las Defradas
Cangas del Narcea, Asturias
Moderate42/100Year-round
Distance
24.5 km
Est. duration
6h 59min
Elevation gain
+518 m
Elevation loss
-815 m
Highest point
1,034.3 m
Lowest point
343.5 m
Average elevation
780 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 6.5 · 3.2 km Distance
12% Avg
621m – 1016mSlope27% Max
RiskHIGH
Dangerous Descent
km 20.2 · 2.8 km Distance
13% Avg
386m – 746mSlope21% Max
RiskHIGH
Dangerous Descent
km 18.0 · 1.0 km Distance
12% Avg
718m – 839mSlope16% Max
RiskMEDIUM
Dangerous Descent
km 12.7 · 1.2 km Distance
11% Avg
893m – 1030mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 1.3 · 0.8 km Distance
11% Avg
604m – 691mSlope15% Max
RiskMEDIUM
Demanding Climb
km 14.5 · 0.7 km Distance
9% Avg
906m – 969mSlope12% Max
RiskMEDIUM
Dangerous Descent
km 0.0 · 0.5 km Distance
10% Avg
665m – 712mSlope11% Max
RiskMEDIUM
Dangerous Descent
km 15.9 · 0.6 km Distance
10% Avg
872m – 934mSlope12% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)8%Gentle (1–5%)36%Steep (5–10%)27%Extreme (≥10%)28%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧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 | Cangas del Narcea |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.14803, -6.67122Open in maps |
| End | 43.19447, -6.54432 |
| Track points | 873 |