In reply to aostaman:
Great, thanks both for the replies.
Covid restrictions hadn't really occurred to me (crazy I know!), we would be coming from Switzerland via Chamonix, looks like we need a PCR test to enter. Are they checking coming out of the tunnel?
I guess it will be easier to head up on the French side instead and accept a longer skin. If I get a PCR test it will be positive anyway, I've literally just recovered from covid.