Dimmuborgir Lava Formations
Dimmuborgir
A 7.5 km walk through the dark lava towers and arches of Dimmuborgir, with a marked path out to the rim of Hverfjall crater.
- Distance
- 7.5 km
- Loop
- Time
- 2–2.5 hours
- Ascent
- 160 m
- Max 430 m
- Difficulty
- Moderate
The Dimmuborgir hike explores one of the strangest landscapes in Iceland: a maze of lava pillars, arches and caves on the east side of Lake Mývatn. The name means 'dark castles', and in Icelandic folklore it is home to the Yule Lads. This longer route is about 7.5 km with roughly 160 m of ascent and a high point near 430 m, and takes 2–2.5 hours. It goes well beyond the short circuits that most visitors walk near the car park.
Dimmuborgir formed when a lava lake drained away, leaving behind towers where lava had cooled around rising steam. The route combines the Dimmuborgir loops, including Kirkjuhringur (about 2.3 km) past the Kirkjan arch, with the marked path north-east to the south rim of Hverfjall crater and back. It is rated moderate because of its length and uneven lava, but the paths are well marked. Do not leave the trail: the formations are fragile and protected, and it is easy to get lost among them.
Highlights
- Huge lava pillars, arches and caves
- Kirkjan, the 'church', a natural lava arch
- Quiet outer sections away from the busy car park loops
- Marked path to the south rim of Hverfjall crater
The route
Car park and the main lava formations
From the Dimmuborgir car park the path drops into the lava area, passing the most dramatic towers and the Kirkjan arch. This part is well built and busy in summer. Signposts mark the different loops; follow the signs for the longer route.
Out to Hverfjall
From the Dimmuborgir loops the marked path heads north-east through quieter lava and birch scrub toward Hverfjall, with gentle ups and downs. The ground is uneven, with roots and lava rock, but the route is well marked. It ends at the south rim of the crater, with wide views over the lake and the surrounding mountains.
Back to the car park
Return the same way from the crater rim through the lava field and birch scrub to Dimmuborgir, rejoining the busier paths for the final stretch to the car park.
Getting to the trailhead
Dimmuborgir is on the east side of Lake Mývatn, a short drive south from Reykjahlíð on the road around the lake. There is a car park with toilets and a café at the trailhead. A car or tour is the practical way to get there.
Where to stay
Reykjahlíð, about 10 minutes away, has hotels, guesthouses, a campsite and a supermarket. More options are spread around the lake. Mývatn Nature Baths are a short drive away for an evening soak.
Best time to hike
May to October is the main season. Summer is busiest at the car park loops, but the outer trails stay quiet. Midges can be bad on calm days in June and July. Autumn brings colour to the birch scrub. In winter the lava under snow is beautiful, but paths can be icy and harder to follow.
Safety
The lava is sharp and uneven, with holes and cracks, so wear sturdy shoes. Stay on the marked paths: the formations are protected and easily damaged, and it is easy to get disoriented in the maze. The trails are generally low-risk, but check SafeTravel.is for conditions, especially in winter. Call 112 in an emergency.
Plan & book
Book your Dimmuborgir Lava Formations hike
CampingÁsbyrgi & Vesturdalur Campsites
National park campsites in Jökulsárgljúfur canyon.
Vatnajökull National Park
Guided tourDiamond Circle & Canyon Tours
Dettifoss, Ásbyrgi and Mývatn from Akureyri or Húsavík.
North Iceland operators1 day
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Dimmuborgir Lava Formations FAQ
How long does it take to walk Dimmuborgir?+
This longer route, including the path to Hverfjall's rim and back, is about 7.5 km and takes 2–2.5 hours. There are also much shorter loops near the car park that take 20 to 60 minutes.
Is Dimmuborgir worth visiting?+
Yes. The lava formations are unlike anywhere else in Iceland, and the trails are easy to access from Lake Mývatn.
Can you visit Dimmuborgir in winter?+
Yes, the area is accessible in winter, but paths can be icy and snow-covered. Bring microspikes and check conditions on SafeTravel.is and road.is.
Hike it with a private guide
Guided trips with a licensed Icelandic guide, including transport and huts.
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