Le Quintessia is a four-star hotel at the foot of the Cens valley in Orvault, just north of Nantes, whose 600 m² spa is open to day visitors. Access includes a sauna, a hammam, a jet pool, a hot tub, a solarium, an ice fountain and a heated indoor pool. Spa access costs €25 for one hour or €35 for two, and a night spa runs on the first Friday of every month from 8 PM to midnight.