Secret Lagoon – The Oldest Swimming Pool in Iceland

The Secret Lagoon, known locally as Gamla Laugin (an old pool), is the oldest swimming pool in Iceland. It was made in 1891 at Hverahólmi, a geothermal area near Flúðir a small village located in the Southern Region, it is just a few “steps” away from the Golden Circle route, Iceland´s most famous attraction but its a place totally worth stopping by if you are in the neighborhood. What makes the Secret Lagoon so special compared to other lagoons in Iceland is the rich natural resources of warm water coming from hot springs. Vaðmálahver, Básahver, or Litli Geysir (active geyser which spouts every few minutes, showing off for the guests), providing 100% of the water supply.

Secret Lagoon

Hvammsvegur, Flúðir.
See the map


All year

Water in the Lagoon

The pool water in Secret Lagoon flows continuously, and it takes only 24 hours to its complete replacement, meaning that the pool is warm, clean, rich in sulfur, and stays at 38-40 Celsius all year round, relaxing and healthy in any weather.

Secret Lagoon has been kept natural, simple, and unique for you so that you can get a true Icelandic experience

Good to know before visiting:
  • It is recommended to book in advance
  • All Icelandic swimming pools require that you shower before entering the pool
  • The water temperature is between 38 and 40 degrees Celsius. Because of that, you should take some breaks to cool down a bit, otherwise, you might feel lightheaded
  • Secret Lagoon offers swimming aids for children if needed
  • It’s important to stay hydrated, you can bring your own bottle of water or you can purchase drinks by the pool
  • It is a must to wear appropriate swimming clothes
  • It is a large parking lot available outside the Secret Lagoon
  • In changing rooms you’ll find showers, lockers, hairdryers, and bathrooms
  • There is a small bar where you can purchase snacks, drinks, and coffee
  • It is possible to rent towels and swimsuits

The Supplier: Secret Lagoon

Company Rating

4.5/5 TripAdvisor

4.6/5 Google