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GR-109Long Distance Trail (GR)·Linear
GR-109. Etapa 25. Berducedo-Grandas de Salime
Allande, Asturias
Moderate29.6/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Dangerous Descent
km 16.0 · 3.9 km Distance
11% Avg
325m – 731mSlope14% Max
RiskHIGH
Demanding Climb
CAT 4
km 3.9 · 1.1 km Distance
9% Avg
891m – 995mSlope17% Max
RiskMEDIUM
Dangerous Descent
km 20.0 · 1.0 km Distance
8% Avg
235m – 318mSlope15% Max
RiskLOW
Dangerous Descent
km 6.7 · 0.8 km Distance
7% Avg
979m – 1037mSlope11% Max
RiskLOW
Dangerous Descent
km 14.9 · 0.6 km Distance
7% Avg
734m – 776mSlope9% Max
RiskLOW
Dangerous Descent
km 11.8 · 0.6 km Distance
7% Avg
825m – 866mSlope8% Max
RiskLOW
Dangerous Descent
km 10.4 · 0.9 km Distance
7% Avg
878m – 939mSlope8% Max
RiskLOW
Distance
21.4 km
Est. duration
5h 34min
Elevation gain
+130 m
Elevation loss
-513 m
Highest point
1,038.1 m
Lowest point
217 m
Average elevation
785 m
7-Day Forecast
Slope distribution
Flat (≤1%)9%Gentle (1–5%)39%Steep (5–10%)36%Extreme (≥10%)16%
Child-friendlyNo
Pet-friendlyNo
- 👟Light hiking shoesFootwearRecommended
- 💧Carry 4–5 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 | Allande |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.23505, -6.76636Open in maps |
| End | 43.18615, -6.85666 |
| Track points | 868 |