Puerto de Ibañeta → 7.30km → Puerto de Ibañeta → Roncesvalles [Orreaga]
To Santiago: 

Commonly referred to as Roncesvalles Pass and home to the modern Ermita de San Salvador de Ibañeta. The pass has existed as an important crossing point since Roman times and was one of the principal crossings into the Iberian peninsula. From here it is all downhill into Roncesvalles, 1.6km.