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GR-10Long Distance Trail (GR)·Linear
GR-10. Etapa 37. Puerto de Tornavacas-Puerto de Hondura
Puerto Castilla, Salamanca
Moderate49.4/100Year-round
Distance
26.3 km
Est. duration
7h 43min
Elevation gain
+689 m
Elevation loss
-353 m
Highest point
1,431.6 m
Lowest point
495.9 m
Average elevation
869 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 21.7 · 2.9 km Distance
14% Avg
888m – 1304mSlope34% Max
RiskHIGH
Dangerous Descent
km 0.1 · 2.8 km Distance
13% Avg
909m – 1275mSlope25% Max
RiskHIGH
Demanding Climb
CAT 4
km 17.2 · 1.0 km Distance
15% Avg
497m – 642mSlope23% Max
RiskHIGH
Demanding Climb
CAT 3
km 20.2 · 1.4 km Distance
14% Avg
710m – 897mSlope22% Max
RiskHIGH
Demanding Climb
CAT 4
km 24.9 · 1.4 km Distance
9% Avg
1306m – 1431mSlope13% Max
RiskMEDIUM
Demanding Climb
km 19.3 · 0.6 km Distance
9% Avg
668m – 718mSlope10% Max
RiskMEDIUM
Dangerous Descent
km 3.1 · 1.9 km Distance
7% Avg
781m – 907mSlope12% Max
RiskLOW
Dangerous Descent
km 8.7 · 0.5 km Distance
7% Avg
628m – 667mSlope12% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)14%Gentle (1–5%)40%Steep (5–10%)19%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 | Puerto Castilla |
| Region | Salamanca |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 40.27057, -5.65877Open in maps |
| End | 40.22180, -5.87187 |
| Track points | 1,176 |