It then passes round Urrugne heading past the Parc Florónia at 133m and then falling spectacularly down into the valley below crossing the river Bidasoa and entering Spain where the road becomes the N-I.
It continues through Urrugne, passing by Parc Florónia at 133m before descending dramatically into the valley below, crossing the Bidasoa River and entering Spain, which changes to N-I thereafter.