The same geothermal forces that create molten lava create hot springs. Whether you bike or hike, a good treat is a soothing soak in one of the area’s lushly landscaped hot springs. Among the springs open to daytime guests are the extensive facilities at Tabacon Grand Spa Thermal Resort and the smaller but more private Eco Termales, which accepts no more than 100 people at one time.

With young children, always consult ahead of time with your pediatrician about whether a soak in a hot spring is suitable.