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GR-109Long Distance Trail (GR)·Linear
GR-109. Etapa 22. Onón-Corias
Cangas del Narcea, Asturias
Moderate47.6/100Year-round
Distance
23.7 km
Est. duration
7h 19min
Elevation gain
+831 m
Elevation loss
-804 m
Highest point
927.4 m
Lowest point
357.5 m
Average elevation
679 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 3
km 16.2 · 1.6 km Distance
13% Avg
709m – 927mSlope19% Max
RiskHIGH
Dangerous Descent
km 6.7 · 3.1 km Distance
11% Avg
519m – 866mSlope18% Max
RiskHIGH
Demanding Climb
CAT 4
km 1.1 · 1.2 km Distance
12% Avg
388m – 531mSlope18% Max
RiskHIGH
Dangerous Descent
km 21.4 · 2.4 km Distance
11% Avg
375m – 633mSlope15% Max
RiskHIGH
Demanding Climb
CAT 4
km 4.3 · 1.3 km Distance
10% Avg
694m – 829mSlope17% Max
RiskMEDIUM
Demanding Climb
CAT 3
km 2.4 · 1.6 km Distance
10% Avg
528m – 691mSlope16% Max
RiskMEDIUM
Dangerous Descent
km 19.0 · 2.1 km Distance
9% Avg
639m – 833mSlope13% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 9.9 · 0.9 km Distance
9% Avg
519m – 604mSlope12% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)3%Gentle (1–5%)23%Steep (5–10%)33%Extreme (≥10%)41%
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 | 43.22349, -6.45526Open in maps |
| End | 43.19367, -6.54314 |
| Track points | 932 |