4.6
(27)
251
hikers
6
hikes
Family friendly hiking trails around Kleifarvatn traverse a unique volcanic landscape on Iceland's Reykjanes Peninsula. The region is characterized by extensive lava fields, black basalt shores, and rugged volcanic hills, all shaped by millennia of eruptions. Geothermal features, including hot springs and steam vents, are prominent, particularly around Seltún and Krýsuvík. Kleifarvatn itself is a deep, dark lake surrounded by these dramatic geological formations, offering a distinctive backdrop for outdoor exploration.
Last updated: June 29, 2026
4.4
(5)
14
hikers
13.8km
03:53
270m
270m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(3)
33
hikers
1.39km
00:24
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(4)
48
hikers
3.44km
01:11
180m
180m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5.0
(5)
26
hikers
3.32km
01:01
120m
120m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.2
(5)
11
hikers
7.69km
02:15
200m
200m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Each and every mud pot is of different color and character. You feel as if you were on a different planet. The vapor and the sounds make it even more exciting. It is a must. Takes 30 mins.
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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.
0
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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.
2
0
Smells bad and not suitable for bathing
1
0
Very interesting and not so crowded
3
1
It is worth hiking up and letting your gaze wander into the distance
2
0
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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There are over 7 family-friendly hiking trails around Kleifarvatn, offering a mix of easy and moderate options. These routes are designed to be enjoyable for various ages and skill levels, allowing families to explore the unique volcanic landscapes and geothermal features of the Reykjanes Peninsula.
The trails around Kleifarvatn are family-friendly due to their varied lengths and manageable elevations, many of which are relatively easy. They offer fascinating natural attractions like bubbling mud pools and steam vents, which captivate children. The otherworldly volcanic landscapes and the serene lake provide an engaging backdrop for exploration without being overly strenuous.
Yes, for families with young children or toddlers, we recommend shorter, easier routes. A great option is the Viewpoint – Seltún Geothermal Area loop from Ketill, which is just under 1.4 km and offers a wonderful introduction to the geothermal activity without being too long. Another easy choice is the Viewpoint – Seltún Geothermal Area loop from Ketill, which is around 3.4 km.
On family hikes around Kleifarvatn, you'll encounter a dramatic volcanic landscape with extensive lava fields and black basalt shores. Key attractions include the active geothermal areas like Seltún and Krýsuvík, where you can see hot springs, steam vents, and bubbling mud pools. The deep, dark waters of Kleifarvatn itself, nestled between rugged volcanic hills, offer stunning views and a sense of mystique. You might also spot visible fissures in the landscape, showcasing the dynamic geology of the Mid-Atlantic Ridge.
Many outdoor areas in Iceland, including parts of the Reykjanes Peninsula, are generally dog-friendly, but it's crucial to keep dogs on a leash to protect the fragile ecosystem and local wildlife. Always check specific signage at trailheads, especially within protected areas like the Reykjanesfólkvangur Nature Preserve, for any restrictions. Be mindful of geothermal areas, as hot ground can be dangerous for pets.
Absolutely! Circular routes are often ideal for families as they bring you back to your starting point. A popular option is the Seltún Parking Area – Arnarvatn Lake loop from Ketill, which is about 8 km and offers diverse scenery. For a slightly longer adventure, consider the Krýsuvík Geothermal Area – Seltún Parking Area loop from Tindhóll, which is around 7.5 km and explores more of the geothermal wonders.
The best time for family hiking around Kleifarvatn is typically during the summer months (June to August). During this period, the weather is milder, days are longer, and trails are generally free of snow and ice, making them safer and more accessible for families. Spring and early autumn can also be beautiful, but be prepared for more unpredictable weather and potentially cooler temperatures.
Parking is generally available at key access points for the trails. For many of the routes that explore the geothermal areas, you'll find convenient parking at the Seltún Geothermal Area parking lot. This is a common starting point for several family-friendly loops.
While public transport in Iceland is not as extensive as in some other countries, it is possible to reach the general area. However, direct public transport links to specific trailheads around Kleifarvatn are limited. Renting a car is often the most convenient option for families to access the various hiking trails and explore the Reykjanes Peninsula at their own pace.
Given Iceland's unpredictable weather, it's essential to dress in layers, even in summer. Bring waterproof and windproof outer layers, sturdy hiking shoes, and warm clothing. Don't forget water, snacks, a first-aid kit, and sun protection. For families, consider bringing binoculars for wildlife spotting and a camera to capture the unique landscapes.
The family-friendly trails around Kleifarvatn are highly rated by the komoot community, with an average score of 4.7 out of 5 stars. Reviewers often praise the unique, otherworldly volcanic scenery, the fascinating geothermal features, and the sense of solitude and connection with nature. Many highlight the well-maintained paths and the accessibility for various family members.
While the immediate vicinity of Kleifarvatn's trails offers a raw, natural experience with limited facilities, you can find amenities in nearby towns on the Reykjanes Peninsula. The Seltún Geothermal Area, a popular starting point for many hikes, has basic restroom facilities. For cafes, restaurants, and more extensive services, you would typically need to drive to nearby communities like Grindavík or Reykjanesbær.


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