#1 Vals-les-Bains
This 3,500-resident spa town in the Ardèche is known for its 145 carbonated mineral springs and its famous intermittent spring that erupts every 6 hours. Expect Belle Époque architecture, shaded parks with giant sequoias, and the 1,500 m² Sequoia Redwood Spa. It is an ideal basecamp for exploring the volcanic Ardèche by canyoning, mountain biking, or hiking wild gorges. Local specialties include sparkling waters, Bourganel beer, and chestnuts.