You might stay in the pilgrim albergue in Bayonne for the night. They take reservations. See more info in this Gronze citation. You could then catch the first train in the morning from Bayonne to Saint Jean Pied de Port.
Good luck and Buen camino!
I'm just about to start my journey tomorrow 25th June flying into Bilbao which arrives in the afternoon hope to out of the airport by 3/30pm . Planning to catch a coach a from Bilbao via San Sebastian to Bayonne and train to St Jean de Port. I...
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