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Secret Lagoon

4.6
(
8247
)
・Tourist Attraction ・
Hvammsvegur, 845 Flúðir, Iceland

Secret Lagoon is a natural hot spring located in Iceland, near the small village of Flúðir. It's one of the oldest swimming pools in the country, dating back to 1891. Unlike modern spas, Secret Lagoon maintains a rustic charm with its simple structure and natural surroundings. The water in the lagoon comes from nearby geothermal springs and stays warm year-round, around 38-40°C (100-104°F). This makes it a delightful place to soak and enjoy the warmth, even in cold weather. The area around the lagoon features steaming vents and small geysers that occasionally erupt, adding to the unique experience. The pool is surrounded by breathtaking Icelandic landscapes, offering views of lush greenery and rugged terrain. The atmosphere is peaceful and less crowded compared to other popular spots like the Blue Lagoon, making it an ideal location for those who prefer a quieter setting. Facilities at Secret Lagoon include basic changing rooms and showers. Visitors should be aware that swimming attire is required, and it's important to shower before entering the pool. Overall, Secret Lagoon provides a relaxing experience with a touch of history in a stunning natural environment.

Hour
Monday: 10:00 AM – 8:00 PM
Tuesday: 10:00 AM – 8:00 PM
Wednesday: 10:00 AM – 8:00 PM
Thursday: 10:00 AM – 8:00 PM
Friday: 10:00 AM – 8:00 PM
Saturday: 10:00 AM – 8:00 PM
Sunday: 10:00 AM – 8:00 PM

The Area

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Secret Lagoon

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What other travelers are saying about

Secret Lagoon

It's the oldest thermal bath originally built in 1891 and one of the most affordable thermal bath in Iceland. It's located in the Golden Circle so it's convenient to get to. Note that it closes at 8 PM so don't arrive too late. The facility is really basic but you get to see a rustic view. The floors of the pools feel slippery and slimy, so if you're really picky about cleanliness, this may not be good for you.

J Tan
July 15, 2025
New York, NY

Oldest termal spa in Iceland. It is relaxing. Some hours are quite, some hours are crowded with people. The shower types fixed in the wall here are really inconvenient to shower properly. Booking the tickets online really recommended. Take flip-flops and towel with you.

Zoltán Nagy
July 9, 2025
New York, NY

Secret Lagoon, Iceland – A Natural Hot Spring Gem in the Golden Circle Nestled in the quiet village of Flúðir, the Secret Lagoon (Gamla Laugin) offers a uniquely authentic geothermal bathing experience that feels worlds away from the more commercialized Blue Lagoon. This is Iceland’s oldest swimming pool, built in 1891, and its rustic charm, natural setting, and soothing waters make it a favorite stop for travelers exploring the Golden Circle. Surrounded by mossy lava fields, bubbling hot pots, and a small, steaming geyser that erupts regularly, the lagoon has an almost magical quality. The water is fed directly by natural hot springs and kept at a perfectly relaxing 38–40°C (100–104°F) year-round. Unlike some spas, the atmosphere here is refreshingly low-key—no flashy architecture or tourist crowds, just mist rising over the warm water, Icelandic nature all around, and a profound sense of calm. The facilities are clean and modern, with good changing rooms, showers, and a small café. Locker rental and towel hire are available, and the staff are friendly and helpful. It’s best enjoyed in the early morning for a peaceful soak—or at twilight, when the steam drifts under Iceland’s wide skies, sometimes accompanied by the northern lights in winter months. The Secret Lagoon is a perfect blend of relaxation, history, and nature. Whether you're road-tripping through South Iceland or taking a day trip from Reykjavík, it's a serene and rejuvenating stop that offers a more traditional Icelandic bathing experience—quiet, simple, and unforgettable.

Paul Parent
August 8, 2025
New York, NY

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Frequently asked questions

What is the Secret Lagoon?

The Secret Lagoon is a natural hot spring located in Fluðir, Iceland. It is one of the oldest swimming pools in Iceland, offering a unique and authentic geothermal bathing experience.

How hot is the water in the Secret Lagoon?

The water temperature in the Secret Lagoon ranges between 38 to 40 degrees Celsius (100 to 104 degrees Fahrenheit), making it perfect for a relaxing soak while surrounded by nature.

What makes the Secret Lagoon special compared to other hot springs?

Unlike many commercialized hot springs, the Secret Lagoon maintains its natural surroundings and rustic charm. It features geothermal areas with bubbling hot springs and a small geyser that erupts every few minutes.

When is the best time to visit the Secret Lagoon?

The Secret Lagoon can be visited year-round, but each season offers a unique experience. Winter visitors may enjoy soaking under the Northern Lights, while summer brings extended daylight hours and lush surroundings.

Are there any facilities at the Secret Lagoon?

Yes, the Secret Lagoon offers basic facilities including changing rooms with showers, lockers for storage, and a small café where you can purchase snacks and refreshments after your soak.