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Hot Springs and Geothermal Pools in Iceland

Hot Springs and Geothermal Pools in Iceland

Last updated: February 5, 2026

Iceland Geothermal Wonders

Iceland sits on the Mid Atlantic Ridge where tectonic plates meet, creating abundant geothermal activity. This means hot water bubbles up naturally across the country.

Bathing in hot springs is deeply ingrained in Icelandic culture and has been practiced for over a thousand years.

Types of Hot Springs

Developed Spas

Facilities like Blue Lagoon and Sky Lagoon offer luxurious experiences with changing rooms, restaurants, and treatments.

Natural Hot Pots

Wild hot springs in natural settings, some well known and others hidden gems discovered by exploration.

Municipal Pools

Every town has a public swimming pool with hot tubs. These are where locals socialize and are wonderful cultural experiences.

Famous Hot Springs

Blue Lagoon

Iceland most famous geothermal spa. The milky blue water is rich in silica and minerals. Book well in advance as it sells out.

Sky Lagoon

Newer facility near Reykjavik with infinity edge pool overlooking the ocean. Less crowded than Blue Lagoon.

Secret Lagoon

Natural hot spring in the Golden Circle area. More affordable and less developed than Blue Lagoon.

Myvatn Nature Baths

The Blue Lagoon of the North, with similar milky water and dramatic volcanic surroundings.

Hidden Hot Springs

Reykjadalur Valley near Hveragerdi offers a 45 minute hike to a hot river where you can bathe in nature.

Seljavallalaug is a historic pool built in 1923, reached by a 15 minute walk and free to visit.

Landmannalaugar in the highlands has hot springs where hikers soak after exploring the colorful mountains.

Bathing Etiquette

Showering naked before entering pools is mandatory in Iceland. This is for hygiene and is the cultural norm.

Be quiet and respectful in hot tubs. Icelanders use them for relaxation and quiet conversation.

At natural hot springs, leave no trace. Pack out everything you bring in.

Safety Tips

Test water temperature before entering natural hot springs. Some can be dangerously hot.

Never bathe in hot springs near active geothermal areas with boiling mud or steam.

Stay hydrated. Hot water causes sweating even when you do not notice it.

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Written by

Magnus Olafsson

Magnus is a certified glacier guide and outdoor enthusiast. When not leading expeditions, he writes about sustainable travel and Icelandic nature.

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