These are the main Spas in Piedmont with the classification of their thermal waters:
- Acqui Terme (AL): sulphureous, salso-bromo-iodic water;
- Agliano Terme (AT): salso-sulphate-magnesic water;
- Bognanco Terme (VB): bicarbonate-sulphate-alkaline water;
- Castagneto Po (TO): bromo-iodic-sulphureous water;
- Crodo (VB): bicarbonate-sulphate-calcic water;
- Garessio (CN): oligomineral water;
- Lurisia (CN): oligomineral water;
- Monte Valenza (AL): sulphureous water;
- Valdieri (CN): sulphureous water;
- Vicoforte (CN): carbonate-calcic-magnesic and sulphured water;
- Vinadio (CN): sulphureous water.