Best Hot Springs in Iceland: Top 7 Geothermal Pools to Visit

Iceland’s hot springs emerge from the island’s intense geothermal activity. The country is situated directly on the Mid-Atlantic Ridge, and the geothermal activity creates natural pools of steaming, mineral-rich waters amid dramatic lava fields and mossy landscapes. From the luxurious spa lagoons to hidden mountain pools accessible only by hiking, Iceland’s geothermal pools have been an integral part of the Icelandic culture for centuries. Whether you’re seeking world-class spa amenities or wilderness soaking under the Northern Lights, this Iceland thermal baths guide reveals 7 exceptional hot springs that capture the country’s geothermal magic. 

Top 7 Best Iceland Hot Springs

Blue Lagoon – Iceland’s Most Famous Hot Spring 

The Blue Lagoon ranks among the best hot springs in Iceland. The lagoon is a world-renowned geothermal spa, famous for its milky-blue and mineral-rich waters. The lagoon is situated amid stark black lava fields, and its waters are heated naturally by volcanic activity.

• Location: Reykjanes Peninsula
• Entry Fee: Rs. 6,000-41,500 (8,490-59,000 ISK)
• Best Time: Early morning or late evening for fewer crowds
• Best For: First-time visitors, luxury seekers, photography enthusiasts

Sky Lagoon – Modern Iceland Hot Spring With Ocean Views 

Sky Lagoon offers a mesmerising geothermal spa experience that seamlessly blends ancient bathing traditions with modern luxury. Visitors can have a cold plunge in the glacier pool, followed by sauna heat, while gazing at panoramic views of the North Atlantic Ocean, distant glaciers.

• Location: Karsnes Peninsula
• Entry Fee: Rs. 4,800-8,100 (6,790-11,500 ISK)
• Best Time: Sunset hours for dramatic ocean views
• Best For: Couples, modern spa enthusiasts, ocean view seekers

Secret Lagoon – Oldest Natural Hot Spring in Iceland 

The Secret Lagoon is hidden in the small town of Fludir in Southern Iceland. It is the oldest swimming pool in Iceland and offers an authentic geothermal experience at a fraction of Blue Lagoon prices. The pool maintains a natural 38 to 40 degrees Celsius, and its dramatic setting enchants visitors. 

• Location: Fludir, South Iceland
• Entry Fee: Rs. 3,000 (4,200 ISK)
• Best Time: Late afternoon to avoid Golden Circle tour groups
• Best For: Budget travellers, authenticity seekers, families

Forest Lagoon – Tranquil Northern Iceland Hot Spring 

The Forest Lagoon is nestled in a forested hillside and is famous for its serene Scandinavian spa atmosphere. The lagoon blends its naturally heated pools with infinity edges, saunas, cold tubs and swim-up bars amid the pine trees.

• Location: Eyjafjordur fjord
• Entry Fee: Rs. 9,800 (13,990 ISK) for Premium Package
• Best Time: Winter evenings for potential aurora viewing
• Best For: Tranquillity seekers

Hvammsvik Hot Springs – Natural Hot Tubs by the Fjord 

Hvammsvík Hot Springs are located along the rugged Atlantic shoreline of Hvalfjordur fjord in southwest Iceland. The hot spring offers an authentic geothermal escape and features eight natural hot springs, with temperatures ranging from 36–40°C (97–104°F). The site presents a backdrop with snow-capped peaks, brooding mountains and the black volcanic coastline of the fjord, which feels like a fantasy.

• Location: Hvalfjordur fjord
• Entry Fee: Rs. 2,500-5,000 (3,500-7,000 ISK)
• Best Time: Any time, as it is less crowded than the major lagoons
• Best For: Nature lovers, those seeking authentic experiences

Reykjadalur Hot Spring – Adventure Meets Relaxation 

Reykjadalur (Steam Valley) delivers one of the most rewarding hot spring experiences in Iceland. This natural thermal river requires a 3.5-kilometre uphill hike that takes 45 to 90 minutes, depending on fitness levels. The trail winds through a geothermal wonderland of bubbling mud pots, steaming vents and the dramatic Reykjafoss waterfall.

• Location: Near Hveragerdi, South Iceland
• Entry Fee: Free
• Best Time: Summer (June-August) for easiest access and conditions
• Best For: Hikers, adventure travellers, budget-conscious visitors

Seljavallalaug – Hidden Valley Hot Spring in South Iceland

Seljavallalaug is a historic outdoor swimming pool in Iceland. This free hot spring is tucked into a spectacular valley on the South Coast near the famous Eyjafjallajokull volcano and offers a uniquely wild and remote bathing experience.

• Location: South Coast near Eyjafjallajokull
• Entry Fee: Free
• Best Time: Early morning or evening to avoid crowds
• Best For: History enthusiasts, budget travellers, photographers

How to Choose the Best Hot Spring for Your Iceland Trip

• Iceland’s hot springs range from luxurious resort experiences to wild natural pools accessible only by hiking boots and determination. The Blue Lagoon and Sky Lagoon deliver polished comfort with premium facilities, while Secret Lagoon and Hvammsvik offer an authentic experience.
• Forest Lagoon provides tranquillity away from tourist hordes, while Reykjadalur and Seljavallalaug reward adventurous spirits. 
• Plan your visit for early morning or late evening at popular spots to avoid peak crowds. 
• Winter bathing offers the magical possibility of watching northern lights dance overhead, though access to remote locations becomes challenging. Summer brings midnight sun sessions and easier roads, but higher prices and more visitors.

Final Thoughts: Discovering Iceland’s Geothermal Wonders

Iceland’s hot springs range from free wilderness pools to world-class luxury spas, ensuring every traveller finds their ideal match. Whether you seek a seven-step spa ritual with ocean views, a free wilderness soak after a mountain hike, or a historic pool in a dramatic valley, the best hot springs in Iceland connect you to Earth’s geothermal power. Plan your visit to the best natural hot springs in Iceland with Pickyourtrail’s Iceland Tour Package and prepare yourself for some of the most memorable soaking experiences on the planet.

FAQs: Iceland Hot Springs

How much does the Blue Lagoon cost?

The Blue Lagoon operates on dynamic pricing with costs varying by date and time slot. The Comfort package, the most basic option, starts around Rs. 6,000 (8,490 ISK) and includes entry, silica mud mask, towel and one drink. Premium packages with additional masks, bathrobes and restaurant reservations run up to Rs. 41,500 (59,000 ISK).

Are there free hot springs in Iceland?

Yes, several hot springs in Iceland remain completely free to access. Reykjadalur requires a hike but costs nothing, making it one of the most popular free options near Reykjavik. Seljavallalaug on the South Coast is free, as are remote springs like Hveravellir in the Highlands and various small pools in the Westfjords. However, free springs typically lack facilities like changing rooms, toilets, and showers. Many require hiking or driving on rough roads to access.

What should I bring to Iceland hot springs?

For developed lagoons like Blue Lagoon and Sky Lagoon, bring a swimsuit, though most provide towels with paid packages. For free natural springs, pack a towel, swimsuit and flip-flops for muddy changing areas. Microfiber towels work best as they’re lightweight and quick-drying. Consider water shoes for springs with rocky or slippery bottoms.

Can I see the Northern Lights from hot springs?

Yes, viewing the aurora borealis from hot springs is possible during winter months (September through March) when nights are dark enough. Blue Lagoon has some light pollution from facilities and nearby Grindavík, though strong displays are still visible. Remote natural springs like Reykjadalur offer near-perfect dark sky conditions with zero light interference, providing the best aurora viewing experience.

How hot are Iceland’s hot springs?

Water temperatures vary widely across Iceland’s hot springs. Most bathing-friendly pools range from 36 to 40 degrees Celsius (97 to 104 Fahrenheit), perfectly warm for extended soaking. Natural springs can be cooler or much hotter. Some geothermal sources like Deildartunguhver reach 97 to 100 degrees Celsius, hot enough to cause severe burns and not suitable for bathing. Reykjadalur’s river allows temperature selection by position, ranging from 32 to 42 degrees Celsius along the stream.

Do I need to shower before entering hot springs?

Yes, showering without a swimsuit before entering any Icelandic hot spring is mandatory and deeply rooted in bathing culture. All developed lagoons provide shower facilities with soap and require thorough washing before pool entry. This practice maintains water cleanliness and honours Icelandic customs. Failing to shower is considered disrespectful and unhygienic.

What’s the difference between Blue Lagoon and Sky Lagoon?

The Blue Lagoon is larger, more famous and located near the airport with distinctive milky-blue water rich in silica. It offers extensive spa facilities, restaurants and hotels but costs more and draws bigger crowds. Sky Lagoon, newer and located in Reykjavik, is smaller with an oceanside infinity edge and focuses on its seven-step ritual experience. Sky Lagoon feels more intimate and slightly less expensive, with a modern Scandinavian aesthetic compared to Blue Lagoon’s volcanic landscape setting.

Can you visit hot springs year-round in Iceland?

Yes, Iceland’s hot springs operate year-round with water temperatures staying warm regardless of season. Winter offers the magical possibility of soaking under northern lights and fewer crowds at popular spots, though weather can be harsh, and some remote springs become inaccessible due to snow and ice. Summer brings midnight sun bathing, easier access to Highland springs, and more daylight hours, but higher prices and peak tourist crowds.