Hot Springs in Iceland – The Ultimate Guide to the Best Natural Baths

November 5, 2025
Explore in Iceland Travel Guides

Introduction

Few experiences capture the real spirit of Iceland better than soaking in a natural hot spring surrounded by lava fields, snow-covered mountains, or steaming valleys. The country sits on a geothermal hotspot, and warm water rises everywhere from luxurious lagoons to secret pools hidden in nature. Whether you dream of relaxing in the Blue Lagoon or discovering free natural hot springs far from the crowds, Iceland offers countless ways to relax in its warm geothermal waters.

This guide covers everything you need to know about hot springs in Iceland, including the best locations, famous spa experiences, hidden natural gems, travel tips, and the best time to visit.

Why Iceland Has So Many Hot Springs

Iceland lies between the North American and Eurasian tectonic plates, which slowly drift apart and create geothermal energy beneath the surface. This natural heat warms groundwater and brings it up to the surface, forming hundreds of hot springs, fumaroles, and geysers.

Locals have enjoyed these geothermal waters for centuries, using them for bathing, cooking, and heating homes. Today, hot springs are one of the most iconic parts of Icelandic culture and a must-do experience for visitors.

Top 5 Famous Hot Springs in Iceland

1. Blue Lagoon

Located near Keflavík International Airport, the Blue Lagoon is Iceland’s most famous geothermal spa. Its distinctive blue water is rich in minerals and silica, known to be beneficial for the skin. The lagoon stays around 38–40°C all year and is surrounded by black lava fields.
Tip: Book tickets in advance, especially during summer.

2. Sky Lagoon

Only a few minutes from Reykjavík, the Sky Lagoon combines Icelandic bathing traditions with modern luxury. The oceanfront infinity pool offers incredible views of the North Atlantic, and the signature 7-step Ritual includes sauna, cold mist, and steam rooms for a full spa experience.

3. Secret Lagoon

The Secret Lagoon in the village of Flúðir is Iceland’s oldest man-made pool, built in 1891. It’s naturally heated by nearby hot springs and surrounded by steaming vents and small geysers. The atmosphere feels calm and authentic, making it an ideal stop on a Golden Circle trip.

4. Hvammsvík Hot Springs

Nestled in Hvalfjörður fjord, Hvammsvík Hot Springs features eight natural pools blending geothermal and seawater that rise and fall with the tides. The pools are built into the rocky coastline, offering a perfect mix of comfort and wilderness.

5. Krauma Baths

In West Iceland, Krauma Baths uses hot water from Deildartunguhver, the most powerful hot spring in Europe. The boiling water is cooled with glacier water for the perfect balance. Visitors can enjoy saunas, relaxation rooms, and a peaceful view of the surrounding countryside.

Top Free and Natural Hot Springs in Iceland

Many of Iceland’s most unforgettable hot springs are free and located in the wild. These natural pools are quieter, more remote, and offer a raw connection to the Icelandic landscape.

Reykjadalur Hot River

A short hike from Hveragerði leads to Reykjadalur Hot River, known as “Steam Valley.” The 3 km trail winds through geothermal hills before reaching a warm river where you can bathe in the flowing water. The temperature varies, so walk along the river until you find your ideal spot.

Hrunalaug Hot Spring

The charming Hrunalaug Hot Spring is near Flúðir and surrounded by open farmland. The small stone pool is free to visit and perfect for those seeking peace and simplicity. Always keep the area clean and respect the landowners’ privacy.

Landmannalaugar

In the Highlands, Landmannalaugar is one of Iceland’s most colorful and remote destinations. After hiking through the rhyolite mountains, visitors can bathe in a natural geothermal stream surrounded by lava fields. It is completely free and one of the best hot springs in the country.

Krossneslaug

In the remote Westfjords, Krossneslaug sits right at the edge of the ocean. The pool overlooks the sea, creating a stunning view while you soak in naturally heated water.

Hellulaug

Close to Flókalundur in the Westfjords, Hellulaug is a small rock pool filled with warm geothermal water. It’s easy to access, open year-round, and free for everyone to enjoy.

How to Visit Iceland’s Hot Springs – Tips and Etiquette

Always shower before entering any hot spring or pool to keep the water clean.
Bring a towel, swimsuit, and water shoes, as natural pools can have rocky bottoms.
Respect private property and nature. Only visit springs that are open to the public.
Some remote hot springs are inaccessible during winter due to snow or bad roads.
Do not use soap or shampoo in natural pools and always take your trash with you.
Test the temperature before entering. Some geothermal areas have extremely hot water.

Best Time to Visit Hot Springs in Iceland

Hot springs can be enjoyed all year. Each season offers a different experience.

Summer: Long daylight hours make it easy to explore remote springs like Landmannalaugar.

Winter: Soaking in a warm pool under the Northern Lights is unforgettable. Popular options include Sky Lagoon and Secret Lagoon.

Spring and Autumn: Cooler air and fewer tourists make for a peaceful and balanced atmosphere, ideal for photography and relaxation.

Hot Springs by Region

South Iceland

South Iceland is full of easily accessible hot springs such as the Blue Lagoon, Secret Lagoon, and Reykjadalur. Most are only a short drive from Reykjavík and can be combined with Golden Circle or South Coast tours.

West Iceland

This region offers both powerful geothermal energy and scenic spa design. Krauma Baths and Deildartunguhver are located here, along with Hvammsvík Hot Springs on the coast.

North Iceland

In the north, the Mývatn Nature Baths are known as the “Blue Lagoon of the North.” Other smaller and free hot springs such as Grettislaug and Fosslaug are surrounded by mountain landscapes and perfect for nature lovers.

Westfjords

The Westfjords region is filled with hidden hot springs such as Hellulaug, Krossneslaug, and Reykjafjarðarlaug. This area is ideal for travelers seeking remote and quiet locations far from tourist crowds.

Highlands

The Icelandic Highlands are home to wild geothermal areas like Landmannalaugar and Laugavallalaug. Reaching these pools often requires 4×4 vehicles and F-road access, but the journey is worth it for the raw natural beauty.