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Iceland
Reykjavík

Heiðmörk

The best MTB trails in Heiðmörk

4.5

(27)

387

riders

25

rides

Mountain biking in Heiðmörk offers diverse landscapes, from ancient lava fields to lush woodlands and volcanic craters. The region features numerous gravel paths and natural trails suitable for various skill levels. Riders can navigate bumpy terrain, traverse moss-covered lava, and enjoy routes through reforested areas. Views of distant volcanoes and mountains provide a dramatic backdrop to the Heiðmörk mountain bike trails.

Best mountain bike trails in Heiðmörk

  • The most popular mountain bike trail is Búrfellsgjá Lava Fissure loop from Kórar, a 14.5 miles (23.3 km) trail that takes 1 hour 54 minutes to complete. This easy route explores the unique lava fissure landscape.
  • Another top favourite among local mountain bikers is Búrfellsgjá Lava Fissure – Helgafell loop from Vatnsendi, a moderate 23.9 miles (38.4 km) path. This route offers expansive views across lava fields and towards distant peaks.
  • Local mountain bikers also love the Búrfellsgjá Lava Fissure – Helgafell loop from Garðabær, a 23.7 miles (38.1 km) trail leading through lava fields and reforested areas, often completed in about 3 hours 3 minutes.
  • Mountain biking in Heiðmörk is defined by ancient lava fields, lush woodlands, and the vivid red volcanic craters of Rauðhólar. The network offers options for easy and moderate ability levels.
  • The routes in Heiðmörk are highly rated by the komoot community with an average score of 4.4 stars from more than 20 reviews. More than 400 mountain bikers have used komoot to explore Heiðmörk's varied terrain.

Last updated: June 28, 2026

4.0

(2)

11

riders

#1.

Búrfellsgjá Lava Fissure loop from Vatnsendi

23.3km

01:53

240m

240m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

26

riders

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Hiking in Heiðmörk

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Gravel biking in Heiðmörk

Tips from the Community

An Argentona
August 18, 2025, Vífilsstaðahlíð

Just a few minutes from Reykjavik, Vífilsstaðahlíð is an oasis of wooded hills perfect for walking or cycling. Its trails offer sweeping views of the bay and the capital. The site takes its name from Vífilsstaðir, an old farm mentioned in the Viking sagas. Today, amidst tranquil nature and historical remains like the old tuberculosis hospital, it is a place where sport and history go hand in hand.

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As of August 18, 2025: Iceland experienced its twelfth volcanic eruption in just over four years. On the sparsely populated Reykjanes Peninsula, southwest of Reykjavik, the earth opened up again on Wednesday, July 16. Since Tuesday, August 5, no more lava has been escaping from the eruption fissure located approximately seven kilometers northeast of Grindavik. Volcanologists believe it is highly likely that the eruption has ended for the time being. The temporarily closed campsite in the town of Grindavik is now freely accessible again.

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Really impressive in the old lava fields

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The fissure is surrounded by ancient lava flows that have cooled and solidified, forming a rugged, rocky landscape. Despite the volcanic terrain, the area is home to a surprising amount of vegetation adapted to lava soil, as well as birds and other animals typical of Iceland.

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It is a unique geological feature located near Reykjavik in Iceland. It is a canyon formed by a volcanic fissure in the Hafnarfjörður region on the Reykjanes Peninsula. It is a fascinating place for both its geology and natural beauty. Near Búrfellsgjá is the Búrfell crater, which is an impressive volcanic feature in itself. This crater is almost perfectly shaped and offers a closer look at the volcanic activity that formed the region.

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An Argentona
December 2, 2024, Helgafell

It is close to the town of Hafnarfjörður, about 55 minutes by bike from Reykjavík. Although it is not very high, at approximately 340 metres above sea level, it is a popular hiking destination due to its panoramic views and easy access. It is part of the Krýsuvík volcanic system, which explains its rocky terrain and the presence of ancient lava flows in its surroundings. It has marked hiking routes that are not too demanding, ideal for hikers of all levels. On a clear day, from the summit you can see Reykjavík, Hafnarfjörður and even the Atlantic Ocean.

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An Argentona
December 2, 2024, Helgafell

Like many mountains in Iceland, Helgafell has special significance in the Icelandic sagas and is associated with stories of early Viking settlements in the region. Helgafell literally means "Holy Mountain" in Icelandic. It is a common name for mountains and hills in Iceland due to its cultural and spiritual significance, but the most well-known one near Reykjavik is Helgafell.

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Nestled in the picturesque town of Hafnarfjörður, Iceland, lies the tranquil Hvaleyrarvatn, a serene lake that enchants visitors with its pristine beauty. Surrounded by rolling hills and lush greenery, this hidden gem offers a peaceful retreat from the hustle and bustle of everyday life. The crystal-clear waters of Hvaleyrarvatn mirror the ever-changing skies above, creating a breathtaking reflection that amplifies the natural splendor. Visitors can explore the lake's shores, meandering along peaceful trails that lead to secluded spots for picnics or quiet contemplation. Hvaleyrarvatn's idyllic setting makes it a perfect haven for nature lovers and a sanctuary for those seeking solace amidst Iceland's awe-inspiring landscapes.

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Frequently Asked Questions

How many mountain bike trails are available in Heiðmörk?

Heiðmörk offers a good selection of mountain bike trails, with over 30 routes available. These range from easy gravel paths to more challenging natural trails, ensuring options for various skill levels.

What types of terrain can I expect on Heiðmörk's mountain bike trails?

You can expect a diverse range of terrain in Heiðmörk. Trails often feature bumpy sections, ancient lava flows, and gravel paths. Some areas, like Vifilstaðarhlíð, even have steep natural trails used for XC and Enduro races. You'll also ride through lush woodlands and fields of lupin.

Are there mountain bike trails suitable for beginners or families in Heiðmörk?

Yes, Heiðmörk has several easy mountain bike trails perfect for beginners or families. For example, the Búrfellsgjá Lava Fissure loop from Kórar is an easy 23.3 km route that explores unique lava landscapes. Another accessible option is the Búrfellsgjá Lava Fissure loop from Hæðir, an easy 16.3 km ride.

What are some notable natural features or landmarks to see while mountain biking in Heiðmörk?

Heiðmörk is rich in natural beauty. You can explore the iconic Rauðhólar (The Red Hills), a cluster of vivid red volcanic craters. The reserve also features ancient lava fields covered in thick green moss, lush reforested woodlands, and serene lakes like Elliðavatn. Distant views of volcanoes and mountains provide a dramatic backdrop to your ride.

What is the best time of year to go mountain biking in Heiðmörk?

The best time for mountain biking in Heiðmörk is generally during the warmer months when trails are clear of snow and ice. The reserve's diverse landscapes, including fields of lupin, are particularly beautiful in summer. While possible in winter, conditions can involve snow and ice, transforming it into a locale for cross-country skiing.

Are there any moderate or advanced mountain biking routes in Heiðmörk?

Yes, Heiðmörk offers several moderate routes for more experienced riders. The Búrfellsgjá Lava Fissure – Helgafell loop from Vatnsendi is a moderate 38.4 km path with expansive views. Another moderate option is the Búrfellsgjá Lava Fissure – Helgafell loop from Garðabær, which is 38.1 km and leads through lava fields and reforested areas. The Forest Path loop from Hæðir is also a moderate 30.3 km route.

What do other mountain bikers say about the trails in Heiðmörk?

The mountain bike trails in Heiðmörk are highly rated by the komoot community, with an average score of 4.4 stars from over 20 reviews. Riders often praise the diverse landscapes, from ancient lava fields to lush woodlands, and the variety of trails suitable for different skill levels. Many appreciate the dramatic views of volcanoes and mountains.

Are there loop mountain bike trails available in Heiðmörk?

Yes, many of the mountain bike trails in Heiðmörk are designed as loops, offering convenient starting and ending points. Examples include the easy Búrfellsgjá Lava Fissure loop from Kórar and the moderate Búrfellsgjá Lava Fissure – Helgafell loop from Vatnsendi.

Can I bring my dog on the mountain bike trails in Heiðmörk?

Heiðmörk is a nature reserve popular for various outdoor activities. While specific rules for dogs on mountain bike trails can vary, it's generally advisable to keep dogs on a leash to protect wildlife and ensure a pleasant experience for all visitors. Always check local signage for the most current regulations.

Is there parking available for mountain bikers in Heiðmörk?

Heiðmörk is a well-established nature reserve with various access points. Parking facilities are generally available at popular entry points and trailheads throughout the reserve, making it convenient for mountain bikers to access the trails. Specific parking locations may vary depending on your chosen starting point.

What other activities can be enjoyed in Heiðmörk besides mountain biking?

Heiðmörk is a versatile outdoor recreation area. Besides mountain biking, you can enjoy hiking, horse riding, birdwatching (with over 60 recorded species), and fishing (with a permit). In winter, it's popular for cross-country skiing. The reserve also features barbecue areas, playgrounds, and sports fields.

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