2002 CF: 2004 from Paris: 2006 VF: 2007 CF: 2009 Aragones, Ingles, Finisterre: 2011 X 2 on CF: 2013 'Caracoles': 2014 CF and Ingles 'Caracoles":2015 Logrono-Burgos (Hospitalero San Anton): 2016 La Douay to Aosta/San Gimignano to Rome:
You can get a train from Pau to Bayonne and then Bayonne to St Jean.
There are three per day and the journey is between 3.5 and 4.5 hours depending which train you take . They all cost 20.90 euro. You can find the times here: