By train from Paris. To get there you should take a TGV-Express from Gare de Montparnasse that will bring you to Auray town, where there is a connection with a bus directly to Quiberon in July and August there is a train from Auray to Quiberon. In order to find a bus stop you should leave the railway station and go to the right, it is situated a bit aside. The tickets for the whole road can be bought on the Montparnasse railway station the approximate price for return ticket - â¬135/person, people younger than 25 y.o. get a price reduction. Before getting into the train you should stamp your ticket in a yellow machine that are situated a bit aside from the platforms. It is also possible to buy a ticket only to Auray and to pay there to the bus driver on-site. The duration of one way is 4:55.