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GR-284Long Distance Trail (GR)·Linear
GR-284. Etapa 03. Oletar-Amurrio
Ayala, Biscay
Moderate27.2/100Year-round
Elevation profile
Flat (≤1%)
Gentle (1–5%)
Steep (5–10%)
Extreme (≥10%)
Critical Segments
Dangerous Descent
km 8.2 · 0.5 km Distance
19% Avg
355m – 444mSlope31% Max
RiskHIGH
Demanding Climb
CAT 3
km 5.2 · 1.7 km Distance
13% Avg
325m – 549mSlope24% Max
RiskHIGH
Dangerous Descent
km 4.0 · 1.2 km Distance
13% Avg
326m – 473mSlope25% Max
RiskMEDIUM
Dangerous Descent
km 6.9 · 1.1 km Distance
9% Avg
456m – 550mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 9.1 · 1.0 km Distance
12% Avg
255m – 378mSlope18% Max
RiskMEDIUM
Dangerous Descent
km 2.3 · 0.5 km Distance
7% Avg
492m – 530mSlope8% Max
RiskLOW
Distance
13.8 km
Est. duration
3h 52min
Elevation gain
+261 m
Elevation loss
-476 m
Highest point
552.5 m
Lowest point
226.2 m
Average elevation
395 m
7-Day Forecast
Slope distribution
Flat (≤1%)3%Gentle (1–5%)47%Steep (5–10%)23%Extreme (≥10%)26%
Child-friendlyNo
Pet-friendlyYes
- 👟Trail running shoesFootwearRecommended
- 🪄Trekking poles recommendedTrekking polesRecommended
- 💧Carry 3–4 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 | Ayala |
| Region | Biscay |
| Source | Federación Española de Deportes de Montaña y Escalada (FEDME) |
| Start | 43.04931, -3.11062Open in maps |
| End | 43.05120, -3.00273 |
| Track points | 478 |