I have a mobile pass. I got the pass to use on Eurostar. I cannot reserve a seat on the Interrail site. It goes in a loop. I go the to booking tool. I choose the train. It shows ‘reservation required’ on the train. There is a dialogue to click ‘how to book your reservation’. Clicking on it sends it back to the booking tool.
Answer
How to reserve seats on Eurostar?
Best answer by AnnaB
You can call SNCF, the French Railway, and make the reservation there.
https://www.sncf.com/en/customer-service/contact-us/telephone
Press #85 for English, no booking fees, reservations are sent via e-mail.
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