Ulule Gare Tours (in French).
thought that it might be fun to show one of the panels every now and
then, with the timetable information for how one gets there from Tours
today. Looking at the timetable it is clear that you might as well start your journey at Saint Pierre des Corps these days rather than in Tours. From Tours you just take the shuttle to Saint Pierre de Corps and change to the TGV (fast train) to Bordeaux, where you change again for Biarritz.