Thermal spas and modern health resorts have experienced a huge rise in popularity in Spain over the past few years. Gone are the days when thermal spas would conjure up images of vacationing senior citizens. Today’s thermal spas, some of which are located in splendid renovated historical buildings, are ideal for people of any age wishing to relax and enjoy a wide variety of health and beauty treatments for the improvement of both physical and mental health. This guide takes a detailed look at all the spas of Spain, including water characteristics, therapeutic properties, and services available at each. Practical information pertaining to each spa is offered, in addition to a listing of interesting things to see and do in the surrounding areas and a map of each place.