Nature is wise, and since the beginning of time, the animals native to the endemic regions where natural hot springs are found, have taken advantage of the medicinal properties of the thermal waters to heal injured paws, wings, and any other injuries. Taking after the animals, man began to discover the medicinal properties, from as long as 4000 years ago. Though it is estimated that this has been common practice since the Stone Age.

Through the centuries, the great western civilizations have taken advantage of the thermal waters and their medicinal properties, for relaxation, and enjoyment, for example the Roman Empire’s Baths, since 1 A.C. Currently, these waters provide a relaxing experience with incredible health benefits. ence our piece of paradise on earth.

Water Origin

The climatic characteristics of the Northern Region, where EcoTermales Fortuna is located, as cited by the Costa Rican Metrological Institute (IMN):


Avg. Annual Rainfall (mm) Avg. Annual Max. Temperature (°C) Avg. Annual Min. Temperature (°C) Avg. Annual Temperature (°C) Avg Days of Rainfall Dry Season Duration in Months
3100 30 21 25 225 3


The thermal springs that await our visitors at EcoTermales Fortuna, are of a magmatic origin, originating from the hyper-thermal magnesia filled waters, which means that those who visit us in La Fortuna, San Carlos, can delight themselves in the mineral-medicinal properties, which thanks to the perfectly and naturally balanced quantities of calcium bicarbonates and magnesium, which have analgesic, anti-inflammatory, and muscle relaxing properties.

Water Composition

The chemical composition of the waters at EcoTermales Fortuna is as follows:


pH at 20°C 6,80


Mineral Mg/L
Bicarbonates. HCO3 187
Carbonates. CO3 < 3,5
Chlorides. Cl 166
Sulfates. SO4 151,1
Calcium. Ca++ 56,1
Magnesium. Mg++ 60,7
Sodium. Na+ 101,6
Iron. Fe < 0,08

The physical-chemical composition of EcoTemales Fortuna’s waters makes them ideal for the treatment of:

  • Stress, mental fatigue, and anxiety
  • Dermatology conditions like psoriasis, atypical dermatitis, acne, and rosacea.
  • Circulation problems
  • Rehabilitation from trauma and burns
  • Post –operative treatment of orthopedic surgeries
  • Arthritis, arthrosis, rheumatoid arthritis, lumbago, sciatic nerve, tendinitis, sprains, aging joints
  • Sinusitis
  • Intestinal, Stomach, and Vesicular diseases
  • As a micro-relaxer, attacks the contractures and stiffness of the neuromuscular and osteo-articular systems

Water Benefits

These benefits are almost immediate. The temperature relaxes the muscles, and opens the pores, which allows the body to absorb the small quantities of the minerals brought to the water by the volcanic rocks. Once absorbed, these minerals are deposited into the subcutaneous tissues and activate the hypothalamic-adrenal axis, which manages the body’s stress and energy metabolism, creating a progressive feeling of relaxation.

The advantages of the hot springs not only cure ailments and physical disorders, but the implications in areas of beauty and relaxation are also outstanding. By alternating, for periods of about 15 minutes, the hot springs with hypothermal water (cold), from our natural springs, a fluctuation between tension and relaxation, resulting in a process of action and rest, produces a number of benefits, among which are:


  • Stregnthening the immune system
  • Stimulating the circulatory system, eliminating toxins
  • Reactivating metabolism
  • Reacondicioning the body’s termal regulating system
  • Relaxes muscles, avoiding edemas and swellings.


One of the main features that makes the mineral waters of EcoTermales Fortuna a real source of health and relaxation, is the setting of its pools. The complex was built to fit perfectly within the natural springs which bring water directly from the Arenal volcano, thereby ensuring that every 45 minutes the water of our pools is new and clean, without any physical-chemical processing that can alter the purity of the water.

At EcoTermales Fortuna, the direct contact with nature, its strength, tranquility and harmony, is combined with the commitment of all our staff to provide our visitors a unique experience, full of peace and serenity, accompanied by all the comfort and conveniences that only our facilities can offer. Contact us and to experience our piece of paradise on earth.