4.4
(391)
6,172
hikers
143
hikes
Hiking in Heiðmörk, a nature reserve southeast of Reykjavík, offers diverse landscapes for outdoor enthusiasts. The region is characterized by extensive woodlands, a result of significant reforestation efforts, alongside ancient lava fields and volcanic formations. Notable features include the vivid red pseudocraters of Rauðhólar and several serene lakes such as Elliðavatn. These elements combine to create varied terrain suitable for a range of hiking experiences.
Last updated: June 23, 2026
6
hikers
17.8km
04:49
230m
230m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
11
hikers
9.92km
02:42
140m
140m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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14
hikers
14.0km
03:44
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
7.25km
01:57
90m
90m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
5
hikers
7.40km
02:02
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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A well-maintained, approx. 2.5 km long gravel path leads around the lake. There are three parking lots. From the parking lot at the southern end of the lake, a path leads up to the small hill Gunnhildur with a beautiful view.
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There are more trails to explore around and you can use this as a starting point. Beautiful.
3
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The ascent to Búrfell crater start here. Easy for hikers, but climbing with a bicycle without putting a foot down is a challenge!
0
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If a little off the trail is still good to see. The little detour is worth it.
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There are over 170 hiking routes in Heiðmörk that start directly from bus stops, making it convenient to explore the nature reserve without a car. The majority of these, over 120, are considered easy, with about 50 moderate and a few more challenging options.
Heiðmörk offers a diverse landscape. You can expect to hike through extensive woodlands, which are a unique feature in Iceland, as well as across ancient lava fields and past volcanic formations. The trails often feature varied surfaces, from well-trodden paths to more rugged sections, especially around areas like Rauðhólar.
Yes, Heiðmörk has several family-friendly options. For an easy circular walk, consider the Austurvík – Sandvík loop from Rauðhólar, which is just over 4 km. The region also offers trails like The Forest Circle (Skógarhringurinn), which is a 3.5 km loop with amenities, and The Water Circle (Vatnahringurinn), a 7.5 km route passing by lakes.
Heiðmörk is rich in natural beauty. You can explore the striking red pseudocraters of Rauðhólar, formed by steam explosions, or discover the unique woodlands that are a result of significant reforestation efforts. Several serene lakes, such as Elliðavatn and Myllulækjartjörn, are also prominent features along many routes.
Absolutely. For a moderate hike exploring volcanic landscapes, you could try the Myllulækjartjörn loop from Rauðhólar, which is around 8.6 km. Another option is the longer Búrfellsgjá Crater – Búrfellsgjá loop from Garðabær, which is nearly 18 km and delves into a volcanic fissure and lava fields.
The trails in Heiðmörk are highly regarded by the komoot community, with an average rating of 4.5 out of 5 stars from nearly 400 reviews. Hikers frequently praise the peaceful atmosphere, the well-maintained paths, and the unique experience of hiking through woodlands so close to Reykjavík.
Heiðmörk is generally dog-friendly, making it a great place to hike with your canine companion. However, it's always recommended to keep dogs on a leash to protect the local wildlife and ensure a pleasant experience for all visitors. Specific rules may apply in certain protected areas, so check local signage.
While most routes are easy to moderate, there are longer options. For example, the Búrfellsgjá Crater – Búrfellsgjá loop from Kaplakriki is a moderate 14.3 km hike that offers a good distance challenge while exploring the volcanic crater area. There are also a couple of routes rated as difficult for those seeking a more strenuous adventure.
The best time to hike in Heiðmörk is generally from late spring through early autumn (May to September) when the weather is milder and the trails are clear of snow. The woodlands are particularly vibrant in autumn with changing leaf colors. During winter, some trails may be snowy or icy, requiring appropriate gear.
Yes, Heiðmörk is home to several serene lakes. The Hraunkotslækur Stream – Vífilsstaða Lake loop from Garðabær is a moderate 9.9 km route that takes you past Vífilsstaða Lake. Other trails, like The Water Circle, also specifically highlight the area's lakes, including Elliðavatn and Myllulækjartjörn, which are popular for birdwatching.
Given Iceland's often unpredictable weather, it's best to dress in layers, even in summer. Waterproof and windproof outer layers are highly recommended. Sturdy hiking boots are essential for navigating varied terrain, including potentially uneven lava fields and muddy sections, especially after rain.


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