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GR-203Long Distance Trail (GR)·Linear
GR-203. Etapa 03. Monasterio del Coto-Seroiro
Cangas del Narcea, Asturias
Hard51/100Year-round
Distance
20.4 km
Est. duration
6h 37min
Elevation gain
+914 m
Elevation loss
-1,118 m
Highest point
1,390.4 m
Lowest point
570.7 m
Average elevation
1,155 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 0.0 · 2.0 km Distance
24% Avg
639m – 1119mSlope40% Max
RiskHIGH
Dangerous Descent
km 16.2 · 4.1 km Distance
20% Avg
571m – 1390mSlope40% Max
RiskHIGH
Demanding Climb
CAT 4
km 2.7 · 1.1 km Distance
12% Avg
1111m – 1243mSlope25% Max
RiskHIGH
Demanding Climb
CAT 4
km 13.7 · 0.9 km Distance
14% Avg
1212m – 1335mSlope21% Max
RiskHIGH
Dangerous Descent
km 8.8 · 0.4 km Distance
15% Avg
1165m – 1219mSlope20% Max
RiskMEDIUM
Dangerous Descent
km 12.8 · 0.7 km Distance
10% Avg
1210m – 1287mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 9.4 · 0.3 km Distance
12% Avg
1119m – 1158mSlope14% Max
RiskMEDIUM
Demanding Climb
km 15.6 · 0.6 km Distance
10% Avg
1334m – 1390mSlope14% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)4%Gentle (1–5%)24%Steep (5–10%)24%Extreme (≥10%)48%
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
- 🩹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 | 43.09756, -6.72697Open in maps |
| End | 43.05951, -6.82097 |
| Track points | 895 |