The Novotel is next door - owned by same franchise - and we did not stay there last time we visited - we tried to stay there - but it is difficult to sleep in a broken bed.
We moved to the Mecure ( Novotel no other rooms were available ) - we were promised all nice things - but only got a standard room as we had not booked the Mecure (!) .... but could pay lots of euros for a proper room .... we declined. Did raise it with Accor ( three times in six months ).
They said when we booked again, we would have our Platinum benefits if we stayed at the Mercure .... how wrong we were to trust.
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There are some very nice hotels out of town, depends on what you want - we gave them a second chance as the show was very close and we thought we could get parking at hotel and not the space gamble of a public park. Andorra does not seem to have enough parking places in the main towns.