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GR-228Long Distance Trail (GR)·Linear
GR-228. Etapa 02. Bolueta-Deusto
Bilbao, Biscay
Moderate33.2/100Year-round
Distance
22.6 km
Est. duration
5h 51min
Elevation gain
+115 m
Elevation loss
-232 m
Highest point
686.3 m
Lowest point
2.1 m
Average elevation
235 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
Dangerous Descent
km 11.0 · 1.1 km Distance
22% Avg
334m – 582mSlope44% Max
RiskHIGH
Demanding Climb
CAT 4
km 8.4 · 0.9 km Distance
15% Avg
559m – 686mSlope18% Max
RiskHIGH
Demanding Climb
CAT 3
km 3.0 · 2.8 km Distance
11% Avg
74m – 370mSlope21% Max
RiskMEDIUM
Demanding Climb
CAT 3
km 6.0 · 2.0 km Distance
9% Avg
372m – 550mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 9.8 · 0.7 km Distance
10% Avg
572m – 650mSlope17% Max
RiskMEDIUM
Dangerous Descent
km 14.2 · 0.4 km Distance
11% Avg
238m – 287mSlope14% Max
RiskMEDIUM
Dangerous Descent
km 15.3 · 0.4 km Distance
10% Avg
187m – 229mSlope12% Max
RiskMEDIUM
Dangerous Descent
km 18.5 · 0.6 km Distance
8% Avg
15m – 67mSlope11% Max
RiskLOW
7-Day Forecast
Slope distribution
Flat (≤1%)14%Gentle (1–5%)35%Steep (5–10%)26%Extreme (≥10%)26%
Child-friendlyNo
Pet-friendlyNo
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 4–5 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 | Bilbao |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.24639, -2.90958Open in maps |
| End | 43.26782, -2.94944 |
| Track points | 2,347 |