The Fitness Center at Grand Hotel Cavour
Grand Hotel Cavour's fitness center is acknowledged by writers. Of the 2 reviews tracked on TripExpert, 2 referenced the fitness center, like Oyster and Star Service.
Grand Hotel Cavour 
Oyster
Star Service
Oyster "The hotel has two restaurants, a small spa, a fitness center, sauna, and two meeting rooms"
Star Service "Recreational options come as an unexpected bonus, with guests privy to a small but well-equipped gym, hammam, a massage room and lounge area"
