Mountain passes & hills Bilbao / Urdax-Dantxarinea 213.4KM
Km 99.0 – Alto Monte Igueldo. 5.3 kilometre-long climb at 6.2% – category 3
Km 130.5 – Alto de Aritxulegi 6.2 kilometre-long climb at 6.5% – category 3
Km 139.0 – Alto Aguiña 5 kilometre-long climb at 6.2% – category 3
Km 163.2 – Pto. Lizaieta 7.2 kilometre-long climb at 4.7% – category 3