The gym at Hôtel Les Bains d'Ovronnaz receives mixed feedback from guests. On a positive note, some visitors appreciate the well-equipped facilities available, highlighting that it meets their fitness needs. However, there are mentions of the gym being relatively small and the fitness equipment appearing outdated. Some guests suggest that the gym's equipment could benefit from a refresh to enhance the overall experience. While opinions vary, those looking for more comprehensive fitness options might need to manage their expectations regarding the gym size and equipment quality.