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GR-109Long Distance Trail (GR)·Circular
GR-109. Etapa 24. Besullo-Berducedo
Allande, Asturias
Moderate46.7/100Year-round
Distance
27.9 km
Est. duration
7h 56min
Elevation gain
+584 m
Elevation loss
-717 m
Highest point
1,291.5 m
Lowest point
525.4 m
Average elevation
904 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 24.3 · 1.1 km Distance
16% Avg
1029m – 1208mSlope19% Max
RiskHIGH
Demanding Climb
CAT 3
km 18.8 · 2.0 km Distance
12% Avg
596m – 834mSlope22% Max
RiskMEDIUM
Dangerous Descent
km 5.3 · 2.0 km Distance
11% Avg
966m – 1189mSlope16% Max
RiskMEDIUM
Dangerous Descent
km 9.1 · 0.9 km Distance
13% Avg
842m – 956mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 11.4 · 3.3 km Distance
9% Avg
531m – 826mSlope14% Max
RiskMEDIUM
Demanding Climb
CAT 3
km 22.7 · 1.4 km Distance
11% Avg
872m – 1032mSlope14% Max
RiskMEDIUM
Dangerous Descent
km 0.1 · 0.9 km Distance
6% Avg
1213m – 1265mSlope7% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)11%Gentle (1–5%)38%Steep (5–10%)23%Extreme (≥10%)27%
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 | Allande |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.20020, -6.71300Open in maps |
| Track points | 1,028 |