Secret Lagoon

Known as the oldest natural hot spring pool in Iceland, this site features warm, sulfur-rich waters heated by geothermal springs. The pool is situated outdoors and retains a natural setting that highlights the geothermal activity beneath the surface. The site has historical significance as a longstanding thermal bath and continues to function as a paid facility for bathing and relaxation. Its combination of natural beauty, geothermal warmth, and cultural heritage make it a unique example of Iceland's hot spring tradition.