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Iceland

Kleifarvatn

The best walks and hikes around Kleifarvatn

4.7

(41)

309

hikers

11

hikes

Hiking around Kleifarvatn offers an experience through Iceland's Reykjanes Peninsula, characterized by distinctive volcanic landscapes and diverse geothermal features. The terrain includes extensive lava fields, rugged lava rocks, and volcanic mountains, shaped by millennia of eruptions. The area sits directly on the fissure zone of the Mid-Atlantic Ridge, where tectonic plates pull apart, creating visible fissures and cracks. Deep blue waters of Kleifarvatn contrast with black basalt shores, fed by underground springs.

Best hiking trails around Kleifarvatn

  • The most popular hiking route is Seltún Parking Area – Arnarvatn Lake loop from Ketill, a 5.0 miles (8.0 km) trail that takes 2 hours 21 minutes to complete. This moderate route explores the volcanic terrain and leads towards Arnarvatn Lake.
  • Another top favourite among local hikers is Seltún Geothermal Area – Arnarvatn Lake loop from Ketill, a moderate 8.8 miles (14.2 km) path. This trail connects the Seltún Geothermal Area with Arnarvatn Lake, showcasing geothermal wonders and volcanic landscapes.
  • Local hikers also love the Viewpoint – Seltún Geothermal Area loop from Ketill, a 2.1 miles (3.4 km) trail leading through geothermal features, often completed in about 1 hour 11 minutes.
  • Hiking around Kleifarvatn is defined by volcanic terrain, geothermal features, and lava fields. The network offers options for different ability levels, from easy paths to moderate routes.
  • The routes in Kleifarvatn are highly rated by the komoot community with an average score of 4.7 stars from over 30 reviews. More than 250 hikers have used komoot to explore Kleifarvatn's varied terrain.

Last updated: May 3, 2026

4.7

(23)

91

hikers

#1.

Seltún Parking Area – Arnarvatn Lake loop from Ketill

8.00km

02:21

220m

220m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

5.0

(1)

9

hikers

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Tips from the Community

Teufelchen New
July 17, 2025, Seltún Parking Area

Everything is explained very well here, and an overview map makes it easier to get your bearings. It's amazing how much vegetation exists less than 5 meters from a boiling hot pool.

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0

0

Only those who make the effort to climb the steep climb will be able to enjoy these views. But at the top, you'll know why you did it.

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Anyone visiting Seltún will be amazed at how closely the area resembles a lunar landscape. With its red, somewhat unreal gravel and steaming vents, the area is dotted with bubbling mud pools, fumaroles, and hot springs.

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2

0

Smells bad and not suitable for bathing

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1

0

Very interesting and not so crowded

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3

1

It is worth hiking up and letting your gaze wander into the distance

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2

0

Grefillinn
June 11, 2023, Seltún

The Seltún Geothermal Area, located on the Reykjanes Peninsula in Iceland, is a captivating landscape where the earth's fiery forces come alive. As you step into this otherworldly realm, you are greeted by a mesmerizing display of bubbling mud pots, steaming fumaroles, and vibrant mineral-rich hot springs. Seltún is a geological wonderland that showcases the raw power of geothermal activity. The area is characterized by its vibrant hues of red, yellow, and green, created by the presence of sulfur and other minerals. The vivid colors against the stark volcanic backdrop create a surreal and captivating scene. Walking along the wooden boardwalks that wind through the geothermal area, you'll witness the dynamic nature of the Earth. The bubbling mud pots, spouting steam vents, and hissing fumaroles create a symphony of natural sounds and a sensory experience like no other. The pungent scent of sulfur permeates the air, adding to the unique ambiance of the place. Seltún is not only a feast for the senses but also a destination for geothermal exploration. The area provides a glimpse into the geological processes that have shaped Iceland over millennia. It offers a fascinating opportunity to learn about the Earth's inner workings, as well as the importance of geothermal energy to Iceland's sustainable development. Visiting Seltún allows you to witness the raw power and beauty of nature, where steam rises from the depths of the Earth and the land seems to come alive. It's an unforgettable experience that immerses you in Iceland's geothermal wonders and leaves you with a profound appreciation for the forces that shape our planet.

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Small but nice!!!! We recommend!

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Frequently Asked Questions

How many hiking trails are available around Kleifarvatn?

There are over 10 hiking routes available around Kleifarvatn, offering a range of experiences through the volcanic landscapes. These include both easy paths and moderate routes.

What kind of terrain can I expect on hikes around Kleifarvatn?

The terrain around Kleifarvatn is characterized by extensive lava fields, rugged lava rocks, and volcanic mountains. You'll traverse paths shaped by millennia of volcanic eruptions and experience the unique environment of the Mid-Atlantic Ridge, where visible fissures and cracks mark the pulling apart of tectonic plates.

Are there any unique natural features or landmarks to see while hiking near Kleifarvatn?

Absolutely. The area is rich in geothermal features like hot springs, steam vents, and bubbling mud pools, especially around the Seltún and Krýsuvík geothermal areas. You can also witness the dramatic geological setting of the Mid-Atlantic Ridge. Nearby, you might explore the vibrant green explosion crater of Grænavatn or even the Leiðarendi cave for lava tubing.

What do other hikers say about the trails around Kleifarvatn?

The trails around Kleifarvatn are highly rated by the komoot community, with an average score of 4.7 stars from more than 30 reviews. Hikers often praise the otherworldly volcanic landscapes, the striking contrast of the lake's deep blue waters against black basalt shores, and the unique geothermal wonders.

Are there any easy or beginner-friendly hikes around Kleifarvatn?

Yes, there are several easy routes suitable for beginners. For example, the Viewpoint – Seltún Geothermal Area loop from Vogar is a short 0.9-mile (1.4 km) trail that takes about 23 minutes, leading through fascinating geothermal features. Another easy option is the Viewpoint – Seltún Geothermal Area loop from Ketill, which is 3.4 km long.

Can I find circular hiking routes in the Kleifarvatn area?

Yes, many of the trails around Kleifarvatn are designed as loops, allowing you to start and end at the same point. A popular moderate circular route is the Seltún Parking Area – Arnarvatn Lake loop from Ketill, which is 5.0 miles (8.0 km) long and explores volcanic terrain.

What is the best time of year to hike around Kleifarvatn?

Kleifarvatn offers a unique experience year-round. While summer provides milder weather and longer daylight hours, the stark beauty of the volcanic landscape can be particularly dramatic in other seasons. Be prepared for changeable weather conditions regardless of the time of year.

Are the trails around Kleifarvatn suitable for families with children?

Many of the easier, shorter loop trails, especially those around the Seltún Geothermal Area, can be suitable for families. These paths often have wooden walkways and offer fascinating sights like bubbling mud pools and steam vents, which can be engaging for children. Always check the specific trail length and difficulty before heading out with family.

Is it possible to hike around Kleifarvatn in winter?

Winter hiking around Kleifarvatn is possible and offers a uniquely serene experience with snow-dusted landscapes. However, conditions can be challenging with shorter daylight hours, colder temperatures, and potentially icy paths. Proper winter hiking gear, including warm layers and sturdy, waterproof boots, is essential. Always check weather forecasts and trail conditions before you go.

What are the options for parking when hiking around Kleifarvatn?

Parking is generally available at key trailheads and popular attractions like the Seltún Geothermal Area. For instance, the Seltún Parking Area – Arnarvatn Lake loop from Ketill starts from a designated parking area, making access convenient for hikers.

How can I reach the Kleifarvatn hiking areas using public transport?

Public transport options directly to the Kleifarvatn hiking areas are limited. It is generally recommended to reach the region by car to access the various trailheads and explore the wider Reykjanes Peninsula. Some guided tours may offer transport, but for independent hiking, a personal vehicle provides the most flexibility.

Are dogs allowed on the hiking trails around Kleifarvatn?

While specific regulations can vary, generally, dogs are permitted on hiking trails in Iceland, provided they are kept on a leash and owners clean up after them. It's always best to check for any specific signage at trailheads or local regulations, especially in protected geothermal areas, to ensure a pleasant experience for everyone.

What should I wear for hiking in the Kleifarvatn region?

Due to Iceland's unpredictable weather, layering is key. Wear moisture-wicking base layers, insulating mid-layers, and a waterproof and windproof outer shell. Sturdy hiking boots with good ankle support are essential for navigating the volcanic and sometimes uneven terrain. Don't forget a hat, gloves, and plenty of water, even on shorter hikes.

Most popular routes around Kleifarvatn

Family-friendly hikes around Kleifarvatn

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