The Secret Lagoon, also known as Gamla Laugin, is Iceland's oldest natural swimming pool. Located in Flúðir, it offers a unique and authentic experience for visitors. The pool is filled with warm water from nearby hot springs, providing a relaxing and rejuvenating soak. With its rich history and natural surroundings, the Secret Lagoon is the perfect place to unwind and enjoy the goodness of Icelandic geothermal waters. So grab your swimsuit and get ready to dive into this hidden gem!