The pool. Heated covered pool in the spa, as well as outdoor pools and a children's pool. The paid thermal circuit includes a hot tub.
The hot tub. Hot tub in the spa's thermal circuit (paid, by reservation).
The pool scores 9/10 on Kayak. One guest in July 2018 did find the pool cold, though, without saying which one.
Guide's tip. For a warm swim, go for the spa's covered pool rather than the outdoor ones.