Caldas de Reis, a paradise of thermal waters
19 August, 2025
Guide to Caldas de Reis and its thermal waters, highlighting this destination on the Portuguese Way for its spas, natural springs, and thermal tradition, with information on what to see, where to bathe, and how to enjoy a relaxing stop for pilgrims and travelers in Galicia.
Caldas de Reis is one of the most comforting stops on the Camino de Santiago on its Portuguese route. Famous for its thermal waters, it offers pilgrims an ideal place to rest, relax, and regain energy before continuing their journey to Santiago. Located in the province of Pontevedra, Galicia, this small town is noted for its mineral-medicinal waters, which have been appreciated since Roman times.

The Roman past of Caldas de Reis is evident, with its bridge where the Camino passes
Caldas de Reis: from Aquae Celenae to spa town
Caldas de Reis has a long thermal tradition, dating back to the Roman era. At that time, the town was known as Aquae Celenae, due to its sulfurous waters. Even in ancient times, the waters of Caldas were recognized for their healing properties, especially for skin and respiratory conditions. Over the centuries, the city established itself as an important wellness destination, leading it to become a renowned spa town.
Throughout the centuries, the thermal waters of Caldas have been a refuge for kings, nobles, and travelers. In the 19th century, the city's spa was already considered one of the most prestigious in Galicia. Today, this rich tradition remains alive, and Caldas de Reis continues to be one of the main thermal destinations in Galicia, especially for pilgrims seeking a respite on their route.

Church of Caldas de Reis
Mineral-medicinal thermal waters: properties and benefits of sulfurous waters
The thermal waters of Caldas de Reis are known for their high concentration of minerals, particularly sulfur. This component gives the waters therapeutic properties that help treat a variety of health issues. The sulfurous waters have a relaxing and detoxifying effect, making them the ideal treatment to relieve muscle fatigue and accumulated tension during the journey of the Camino.
The sulfur present in the waters of Caldas has anti-inflammatory and antiseptic effects, making it an excellent option for treating skin conditions such as eczema and psoriasis. Furthermore, the thermal waters of Caldas are very beneficial for relieving joint and muscle pain, common among pilgrims who walk long distances. It is also known that these waters help to improve blood circulation, which aids in the body's recovery after a day of exertion.
The benefits of the thermal waters of Caldas are not limited to physical health. Their ability to induce a sensation of deep relaxation also promotes emotional and mental well-being. Pilgrims who decide to stop in Caldas de Reis can enjoy a complete resting experience, improving not only their body but also their mood.

Bridge over the Umia River
Historic spas, springs, and washhouses
In Caldas de Reis, pilgrims can enjoy two historic spas that continue to use the thermal waters in their treatments. These places not only offer a space for physical well-being but also allow one to delve into the rich thermal tradition of the region.
Acuña Spa
The Acuña Spa, also a hotel and located at the entrance of the village from the Portuguese Way, is one of the most well-known in the city. This spa stands out for its mineral-medicinal thermal waters, sodium chloride bicarbonate, with therapeutic properties, declared of Public Utility in 1813. Its waters help treat respiratory problems such as asthma and bronchitis, and promote the recovery of rheumatological ailments by alleviating muscle and joint pain.
The Spa offers a wide variety of treatments, such as specific programs for respiratory and rheumatological pathologies, with techniques such as aerosols, micronized showers, and steam baths, all personalized and supervised by a specialized medical team. The facilities include thermal baths, steam rooms, therapeutic massages, and a relaxation area, ideal for pilgrims seeking to relieve the accumulated tensions after long days of walking. The outdoor thermal pool, next to the Umia River and with mineral medicinal waters, is one of the most popular places, providing a perfect space for relaxation and well-being in a tranquil environment.

Acuña Spa
Davila Spa
The Davila Spa, located in the city center, is renowned for its mineral medicinal waters with unique characteristics, such as its composition of sulfurous sodium chloride, flowing at a temperature of 48ºC, which classifies them as hyperthermal. These waters contain minerals such as fluorine and manganese, and are primarily used to treat respiratory conditions such as pharyngitis, laryngitis, rhinitis, sinusitis, asthma, and rheumatic problems such as tendinitis, fibromyalgia. The spa offers a variety of therapeutic treatments, including sprays, inhalations, nasal showers, thermal baths, and pressure jets, all supervised by a specialized medical team. Additionally, it provides esthetic services, such as facial peeling, hydration, and therapeutic massages, both facial and body.
Its history dates back to 1780, when Don Joaquín Dávila y Mariño founded the first bathhouse. Over the years, the establishment has evolved and in 1923 the Hotel Balneario Dávila was inaugurated. The waters of the spa have been used since Roman times, when legionaries employed them to cure the fatigue of travel and battles. Today, the spa remains an emblematic place where its therapeutic waters are utilized for physical and emotional well-being.

Center of Caldas de Reis
The public fountain of A Burga
In the center of Caldas de Reis, next to the Balneario Dávila, is the public fountain of A Burga, a thermal spring with free access that allows pilgrims to enjoy the healing waters at no cost. The Fountain of A Burga is part of the rich thermal tradition of the city, which dates back to Roman times. It is believed that its waters were already used by the local inhabitants for their known healing properties.
Not only is there the fountain, but also the public washhouse, which offers pilgrims the opportunity to socialize while soaking their feet in the hot water, which helps improve blood circulation and relax the muscles, providing a necessary respite on their journey.
A relaxing environment: rivers and gardens of Caldas de Reis
Caldas de Reis is not only known for its thermal waters but also for its natural surroundings. The city is surrounded by beautiful landscapes, with the Umia and Bermaña rivers flowing through the municipality. These rivers not only create a picturesque landscape but also offer opportunities for outdoor activities, such as walking along their banks on the riverside promenade. The sound of running water and the fresh air of the area contribute to the sense of calm and relaxation experienced in the city.
In addition to the rivers, Caldas de Reis boasts numerous green spaces and gardens where pilgrims can relax and enjoy nature. This is the case of the Botanical Garden and the carballeira (oak grove), a perfect refuge to rest and disconnect from the fast pace of the Camino. The meticulously maintained gardens invite visitors to stroll peacefully along their paths and enjoy an environment filled with peace and beauty. And do not forget the fervenza or waterfall of Segade, a waterfall that allows bathing in its natural pools.

The Gardens of Caldas
Enjoy the wellness of Caldas de Reis
To make the most of the thermal waters of Caldas de Reis, pilgrims should keep in mind some practical tips. It is advisable to book in advance at the spas, especially during the high season, to secure a spot. The spas in Caldas de Reis usually open year-round, but it is wise to check the hours before visiting, as some offer additional services such as beauty treatments or therapeutic massages, allowing for a complete wellness experience. Of course, do not forget to bring comfortable and appropriate clothing for bathing.
Caldas de Reis is an essential stop on the Portuguese Way, not only for its thermal tradition but also for the rest and serenity it offers. Its mineral-medicinal waters, combined with a spectacular natural setting, make this destination a unique place to regain strength before continuing the Camino. Both the spas and the public fountain of A Burga provide pilgrims with an opportunity to revitalize, helping to improve circulation and relieve fatigue, making Caldas de Reis a perfect oasis on the Jacobean routes and in the heart of Galicia.