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GR-109Long Distance Trail (GR)·Linear
GR-109. Etapa 20. Boinas-Tuna
Belmonte de Miranda, Asturias
Moderate30.3/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Dangerous Descent
km 9.3 · 1.7 km Distance
15% Avg
320m – 578mSlope25% Max
RiskHIGH
Dangerous Descent
km 6.7 · 1.9 km Distance
13% Avg
590m – 833mSlope21% Max
RiskMEDIUM
Demanding Climb
CAT 3
km 1.7 · 2.0 km Distance
9% Avg
438m – 629mSlope19% Max
RiskMEDIUM
Demanding Climb
km 5.8 · 0.8 km Distance
8% Avg
766m – 833mSlope15% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 4.8 · 1.0 km Distance
9% Avg
680m – 766mSlope11% Max
RiskMEDIUM
Dangerous Descent
km 11.2 · 0.3 km Distance
7% Avg
303m – 324mSlope7% Max
RiskLOW
Distance
14.2 km
Est. duration
4h 11min
Elevation gain
+383 m
Elevation loss
-568 m
Highest point
833.9 m
Lowest point
235.6 m
Average elevation
519 m
7-Day Forecast
Slope distribution
Flat (≤1%)6%Gentle (1–5%)28%Steep (5–10%)29%Extreme (≥10%)37%
Child-friendlyNo
Pet-friendlyYes
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 4–5 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🗺️Offline download recommendedNavigationRecommended
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About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Belmonte de Miranda |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.27156, -6.30788Open in maps |
| End | 43.27421, -6.37083 |
| Track points | 584 |