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GR-204Long Distance Trail (GR)·Linear
GR-204. Etapa 13. San Juan de Nieva-Playa de Bayas
Castrillón, Asturias
Moderate25.8/100Year-round
Distance
17.6 km
Est. duration
4h 29min
Elevation gain
+47 m
Elevation loss
-128 m
Highest point
115.5 m
Lowest point
2.6 m
Average elevation
48 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 13.0 · 0.7 km Distance
13% Avg
20m – 109mSlope21% Max
RiskHIGH
Dangerous Descent
km 16.4 · 0.6 km Distance
14% Avg
6m – 88mSlope26% Max
RiskMEDIUM
Dangerous Descent
km 10.7 · 0.6 km Distance
14% Avg
4m – 90mSlope26% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 11.4 · 0.9 km Distance
9% Avg
8m – 93mSlope16% Max
RiskMEDIUM
Demanding Climb
km 2.9 · 0.8 km Distance
9% Avg
9m – 80mSlope16% Max
RiskMEDIUM
Demanding Climb
CAT 4
km 9.7 · 0.9 km Distance
9% Avg
5m – 92mSlope15% Max
RiskMEDIUM
Dangerous Descent
km 4.6 · 0.7 km Distance
10% Avg
12m – 78mSlope14% Max
RiskLOW
Dangerous Descent
km 7.4 · 0.4 km Distance
9% Avg
6m – 43mSlope14% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)24%Gentle (1–5%)32%Steep (5–10%)23%Extreme (≥10%)21%
Child-friendlyNo
Pet-friendlyNo
Emergency exit points
- Raíces Nuevo / La FundiciónTown1.6 km
- La CuestaTown1.9 km
- Avenida El CampónMain road2.4 km
- Las PiñerasTown2.4 km
- ArnaoTown2.5 km
Similar trails
About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Castrillón |
| Region | Asturias |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.58782, -5.93868Open in maps |
| End | 43.57455, -6.04204 |
| Track points | 1,441 |