N Le Spa - Le Negresco
Day SpaFrench Riviera, Provence-Alpes-Côte d'Azur
Hotel spa inside Nice's Le Negresco with hammam, sauna and fitness center; outside guests must book a 90-minute treatment to use the wet areas.
$$$
Spas with reservation required in France
2 spas match
Thermes de Marlioz Aix-les-Bains
Medical SpaAix-les-Bains, Auvergne-Rhône-Alpes
Medical thermal baths in Aix-les-Bains treating respiratory and oral mucosal conditions with sulfur-rich water, mostly through prescribed multi-day cures.
$$$
