Dimmuborgir

Overview

Dimmuborgir stands as one of Iceland's most extraordinary volcanic landscapes, a haunting maze of twisted lava pillars and arches that rises from the eastern shores of Lake Mývatn. Formed approximately 2,300 years ago when lava from the Lúdent and Þrengslaborgir crater rows flowed into the lake, the rapid cooling created a unique geological phenomenon where gas bubbles and steam explosions sculpted the molten rock into dramatic spires, some reaching heights of 20 metres. The name translates to "Dark Castles," a fitting description for these blackened formations that seem almost otherworldly in their gothic silhouettes.

Beyond its geological significance, Dimmuborgir holds deep cultural importance as the legendary dwelling place of Iceland's thirteen Yule Lads (Jólasveinar) in Icelandic folklore. According to tradition, these mischievous Christmas figures live among these lava formations with their mother, the ogress Grýla. This mythological connection has elevated Dimmuborgir from a simple lava field to a cornerstone of Icelandic cultural heritage. The site's otherworldly appearance has also attracted international attention, serving as a filming location for HBO's Game of Thrones, where it doubled as the wildling camp north of the Wall.

Quick Facts

**GPS Coordinates:** 65.5896°N, 16.9197°W

**Entry Fee:** Free

**Opening Hours:** 24/7 (marked trails recommended during daylight)

**Best Time to Visit:** May to September for optimal trail conditions

**Difficulty Level:** Easy to moderate (marked paths with some uneven terrain)

**Nearest Town:** Reykjahlíð (4km)

**Elevation:** 277 metres above sea level

**Trail Length:** 2.4km circular marked path

**Walking Time:** 45-75 minutes

How to Get There

Driving

From Reykjavík, take Route 1 (Ring Road) north for approximately 470km to Akureyri, then continue east on Route 1 for another 55km. Turn south onto Route 848 towards Reykjahlíð and Lake Mývatn. The total journey covers 525km and takes approximately 6 hours and 15 minutes under normal conditions. From Akureyri, the drive to Dimmuborgir takes roughly 1 hour.

The final approach follows Route 848 along the eastern shore of Lake Mývatn. Dimmuborgir is clearly signposted 4km south of Reykjahlíð village. The access road (Route 848) is paved and suitable for all vehicles year-round, though winter conditions may require caution.

Parking

A well-maintained gravel car park accommodates approximately 40 vehicles directly at the site entrance. Parking is free with no time restrictions. During peak summer months (July-August), the car park can reach capacity between 11:00-15:00. Overflow parking is available along the roadside, though visitors should ensure they don't obstruct traffic on Route 848.

Access

The marked trail begins immediately from the car park with no additional walking required to reach the lava formations. The main circular path is well-defined with wooden walkways bridging the most challenging sections. The terrain consists of uneven volcanic rock with some loose gravel sections, making sturdy footwear essential.

What to See and Do

The primary attraction is the 2.4km marked circular trail that winds through the heart of the lava field, offering close encounters with the most spectacular formations. Key highlights include Kirkjan (The Church), a natural lava arch that resembles a gothic cathedral, and Klassinn (The Class), a formation that appears like seated figures in a classroom setting. The trail is marked with numbered posts corresponding to an interpretive guide available at the entrance.

Photography enthusiasts will find exceptional opportunities throughout the trail system, particularly during golden hour when the black lava contrasts dramatically with the surrounding landscape. The elevated sections of the trail provide excellent vantage points over Lake Mývatn and the surrounding pseudo-craters.

Birdwatching proves rewarding during summer months, with common ravens, snow buntings, and various duck species frequenting the area. The lava crevices provide nesting sites for wrens and redwings. Botanically, the site showcases hardy Icelandic flora including birch scrubland, wild thyme, and various mosses that colonise the volcanic rock.

The cultural aspect remains equally compelling, with information boards detailing the Yule Lads folklore throughout the trail. During December, special guided tours focus on the Christmas traditions associated with the site.

Best Time to Visit

**May to September** represents the optimal visiting period when all trails remain fully accessible and weather conditions are most favourable. July and August see peak visitor numbers but offer the warmest temperatures (10-15°C) and longest daylight hours.

**June and September** provide excellent shoulder season alternatives with fewer crowds and still-comfortable walking conditions. September offers the additional benefit of potential northern lights viewing during evening visits.

**October to April** presents significant challenges with snow cover potentially obscuring trail markers and creating hazardous walking conditions. However, winter visits can be rewarding for experienced hikers, offering dramatic snow-covered formations and excellent northern lights viewing opportunities. Winter visitors should carry headtorches and inform others of their plans.

**December** holds special appeal for those interested in the Yule Lads mythology, with the site taking on particular atmospheric significance during the Christmas season.

Safety

The primary hazards stem from uneven volcanic terrain and loose rock surfaces that can cause twisted ankles or falls. The lava formations contain numerous crevices and hidden gaps that pose particular risks for children and those straying from marked paths. Always remain on designated trails and supervise children closely.

Weather conditions can change rapidly, with strong winds common across the exposed lava field. Fog can roll in from Lake Mývatn quickly, reducing visibility and making navigation challenging. Carry weatherproof clothing regardless of initial conditions.

Winter visits require extreme caution due to ice formation on the volcanic rock, which can be nearly invisible but extremely slippery. Microspikes or crampons are recommended for winter exploration. The car park and access road receive regular winter maintenance, but sudden weather changes can create hazardous driving conditions.

Emergency services access to the site is good via Route 848, but mobile phone coverage can be intermittent within the lava field itself.

Nearby Places

**Höfði Peninsula** (2km north) offers excellent walking trails through birch forests and provides panoramic views over Lake Mývatn. The area features diverse birdlife and traditional turf houses.

**Skútustaðagígar Pseudo-craters** (6km southwest) present a fascinating geological contrast with their perfectly formed crater rings created by steam explosions when lava flowed over wetlands.

**Grjótagjá Cave** (1km north) houses a geothermal hot spring within a dramatic lava cave, though bathing is currently prohibited due to high water temperatures exceeding 50°C.

**Mývatn Nature Baths** (5km northeast) provide a more intimate alternative to the Blue Lagoon, featuring milky blue geothermal waters rich in minerals and maintained at 38-40°C.

**Krafla Volcanic System** (15km northeast) encompasses an active volcanic area with the colourful Leirhnjúkur lava fields and the Víti explosion crater, offering insights into ongoing geological processes.

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