5.0
(2)
36
riders
5
rides
Mountain biking around Bjørnsjøen offers diverse landscapes within Nordmarka, Oslo. The region features vast forests, picturesque hills, and dramatic vistas, with Bjørnsjøen itself covering 2.53 square kilometers at 337 meters above sea level. Longitudinal ridges dotted with open pine trees and numerous boulders characterize the terrain, providing both scenic beauty and technical biking opportunities. The Bjørnsjøelva river, flowing from Bjørnsjøen, adds to the natural features of the area.
Last updated: June 26, 2026
1
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
1
riders
10.5km
00:56
160m
160m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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6
riders
63.5km
05:24
920m
920m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
1
riders
54.5km
04:31
1,000m
1,000m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
12
riders
61.0km
04:30
970m
970m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
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Nordmarka Chapel is a rustic, traditional wooden-built sports chapel situated in Oslo's Nordmarka forest. It is a popular destination for outdoor enthusiasts and still offers Sunday services. There is also a cosy cafe on site.
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Also worth a visit in summer
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The Høyspenten Trail near Oslo is a short but scenic singletrack segment. Despite its modest length, the trail is appreciated as a connector within Oslo’s extensive network of natural trails, which feature roots, rocks, and classic Scandinavian terrain.
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The trail is very popular among local mountain bikers and is a multi-use route, meaning you will often share it with hikers and runners. The best time to ride is from spring to autumn, as the trail is frequently covered in snow during the winter months.
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Damtjern is a scenic highland lake that serves as a major gateway to the surrounding wilderness. The lake is nestled within a dense forest of spruce and pine, characterized by its calm waters and rugged, rocky shoreline.
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Nordmarkskapellet is a distinctive wooden chapel situated within the extensive Nordmarka forest, near Oslo. You will encounter it while cycling on the network of trails in this popular recreational area.
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There are several mountain bike trails around Bjørnsjøen, with komoot featuring 4 distinct routes. These routes offer a variety of experiences within the Nordmarka region.
Yes, while many trails in the Nordmarka area can be challenging, there are options for varying skill levels. For example, the KSI-hytta – Nordmarka Chapel loop from Blankvann landskapsvernområde is rated as moderate, offering a good balance for those looking for a less intense ride compared to the more difficult routes.
The trails around Bjørnsjøen are rich in natural beauty. You'll encounter vast forests, picturesque hills, and dramatic vistas characteristic of Nordmarka. A notable feature is the Bjørnsjøelva river, which flows from Bjørnsjøen and passes through the dramatic 'Bjørnsjøhelvete' (Bjørnsjøen's Hell), where a suspension bridge allows for crossing. The lake itself, Bjørnsjøen, is a significant natural attraction.
Absolutely. The Bjørnsjøen area, within Nordmarka, is known for its challenging terrain. Routes like the Kikutstua – Kobberhaughytta loop from Sørkedalen and the Lønnehaugen – Hornet loop from Sørkedalen are rated as difficult, featuring extensive distances, significant elevation changes, and technical sections through dense woodlands and rolling hills.
Yes, many of the mountain bike routes in the area are designed as loops, allowing you to start and end at the same point. Examples include the KSI-hytta – Nordmarka Chapel loop and the longer Kikutstua – Kobberhaughytta loop, which both offer circular journeys through the Nordmarka landscape.
The duration of mountain bike tours varies significantly based on the route's length and difficulty. A moderate route like the KSI-hytta – Nordmarka Chapel loop, covering 27.2 km, typically takes around 3 hours. More challenging and longer routes, such as the 63.5 km Kikutstua – Kobberhaughytta loop, can take over 5 hours to complete.
While specific parking areas are not detailed in the route descriptions, access points for many trails in Nordmarka, including those around Bjørnsjøen, are often located near popular starting points like Sørkedalen or Blankvann landskapsvernområde, where parking facilities are typically available for outdoor enthusiasts.
The suitability for families depends on the specific trail and the family's experience level. While some routes are quite challenging, the broader Nordmarka area offers a range of paths. Families with younger children or less experience might look for shorter, less technical sections, possibly on the forest roads that are extensively used by cyclists on the eastern and northern sides of Bjørnsjøen.
Nordmarka, including the Bjørnsjøen area, is generally dog-friendly, but specific rules regarding leashes and access can vary. It's always recommended to check local regulations or signage at trailheads to ensure compliance and respect for wildlife and other trail users.
The mountain bike routes in Bjørnsjøen are highly regarded by the komoot community, with an average score of 5.0 stars from over 1 review. More than 30 mountain bikers have used komoot to explore Bjørnsjøen's varied terrain, often praising the diverse landscapes and the mix of technical challenges and flowing stretches.
The best time for mountain biking around Bjørnsjøen is typically during the warmer months, from late spring through early autumn, when trails are clear of snow and ice. This allows for optimal conditions to enjoy the diverse landscapes and extensive trail network. In winter, the area transforms into a destination for skiing, making mountain biking less feasible on many routes.
Yes, a notable stop in the area is Kikutstua, a cabin located on the northeastern shore of Bjørnsjøen. It serves as a convenient place for refreshments or a break during your ride. This cabin is owned by the Association for the Promotion of Skiing and is a popular spot for outdoor enthusiasts.


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