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GR-109Long Distance Trail (GR)·Linear
GR-109. Etapa 16. Villanueva-Villamayor
Santo Adriano, Asturias
Hard54/100Year-round
Distance
25.2 km
Est. duration
8h 4min
Elevation gain
+1,062 m
Elevation loss
-531 m
Highest point
1,249.2 m
Lowest point
171 m
Average elevation
947 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 4
km 16.0 · 0.9 km Distance
14% Avg
1119m – 1249mSlope25% Max
RiskHIGH
Demanding Climb
CAT 4
km 10.5 · 0.7 km Distance
13% Avg
957m – 1046mSlope20% Max
RiskHIGH
Dangerous Descent
km 17.1 · 0.4 km Distance
15% Avg
1181m – 1244mSlope22% Max
RiskMEDIUM
Dangerous Descent
km 18.3 · 2.0 km Distance
12% Avg
990m – 1222mSlope19% Max
RiskMEDIUM
Dangerous Descent
km 24.8 · 0.3 km Distance
15% Avg
858m – 906mSlope19% Max
RiskMEDIUM
Demanding Climb
CAT 2
km 0.0 · 4.2 km Distance
11% Avg
171m – 630mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 23.0 · 1.6 km Distance
11% Avg
901m – 1083mSlope16% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 4.4 · 1.3 km Distance
9% Avg
632m – 751mSlope15% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)8%Gentle (1–5%)24%Steep (5–10%)32%Extreme (≥10%)37%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles highly recommendedTrekking polesEssential
- 💧Carry 6–7 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🩹Basic first aid kit + whistle + thermal blanketFirst aid kitEssential
- 🗺️GPS or offline route downloadNavigationEssential
Similar trails
About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Santo Adriano |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.27381, -6.00082Open in maps |
| End | 43.19585, -6.13915 |
| Track points | 1,043 |