All trails
GR-284.1Long Distance Trail (GR)·Linear
GR-284.1. Etapa 01. Oletar-Camino del Txarlazo
Orduña, Biscay
Moderate35/100Year-round
Distance
17.7 km
Est. duration
5h 1min
Elevation gain
+347 m
Elevation loss
-437 m
Highest point
1,131.2 m
Lowest point
558.9 m
Average elevation
952 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 0.0 · 2.1 km Distance
14% Avg
612m – 899mSlope41% Max
RiskHIGH
Demanding Climb
CAT 4
km 2.1 · 0.5 km Distance
26% Avg
894m – 1031mSlope40% Max
RiskHIGH
Demanding Climb
CAT 4
km 7.3 · 0.9 km Distance
14% Avg
951m – 1074mSlope34% Max
RiskHIGH
Dangerous Descent
km 12.5 · 2.2 km Distance
12% Avg
754m – 1018mSlope17% Max
RiskHIGH
Demanding Climb
km 4.8 · 0.7 km Distance
11% Avg
961m – 1039mSlope20% Max
RiskMEDIUM
Dangerous Descent
km 6.7 · 0.6 km Distance
12% Avg
952m – 1020mSlope17% Max
RiskMEDIUM
Dangerous Descent
km 17.2 · 0.6 km Distance
11% Avg
559m – 623mSlope13% Max
RiskMEDIUM
Dangerous Descent
km 15.1 · 1.1 km Distance
9% Avg
649m – 745mSlope11% Max
RiskMEDIUM
7-Day Forecast
Slope distribution
Flat (≤1%)6%Gentle (1–5%)33%Steep (5–10%)27%Extreme (≥10%)34%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 4–5 L (no water sources on route)WaterEssential
- 🧴Sunscreen recommendedSun protectionRecommended
- 🗺️GPS or offline route downloadNavigationEssential
Similar trails
About this trail
Senderos de Gran Recorrido (GR)
| Start municipality | Orduña |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 42.98575, -3.03518Open in maps |
| End | 43.04923, -3.11132 |
| Track points | 1,187 |