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.