4.0
(2)
12
riders
Gravel biking in Fjellstulfjellet Naturreservat offers routes through varied natural landscapes. The region is characterized by its elevation changes, with routes featuring significant climbs and descents. Trails often traverse forested areas and pass by natural water features like lakes and dams. The terrain provides a mix of surfaces suitable for gravel cycling, from forest paths to more open sections.
Last updated: July 3, 2026
1
riders
34.3km
02:15
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
6
riders
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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2
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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The name of this place is Knutehytta and that's how the name of this highlight should be registered her.
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Known for its ski slopes in winter, Skimore Kongsberg transforms into a great hiking destination during the summer. The trails lead through beautiful forests and up the hills, offering stunning views over Kongsberg and the surrounding valleys.
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Nice to cycle or walk across the river here.
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Here you can see which forces are at work when the water is released over the dam
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See how mining was a few hundred years ago
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Great architecture and interesting as a museum
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After a rain shower, the surface is soft.
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There are currently 3 gravel bike routes documented in Fjellstulfjellet Naturreservat on komoot, offering varied experiences through the natural landscape.
The gravel bike trails in Fjellstulfjellet Naturreservat are generally rated as difficult due to significant elevation changes and varied terrain. This makes them more suitable for experienced gravel bikers rather than beginners or families with young children.
The routes in Fjellstulfjellet Naturreservat vary in length, with distances ranging from approximately 14.5 miles (23.3 km) to 35.1 miles (56.5 km). You can expect substantial elevation gains, typically between 500 and 800 meters, reflecting the region's hilly characteristics.
Yes, all the documented gravel bike routes in Fjellstulfjellet Naturreservat are designed as loop trails, allowing you to start and finish at the same point. For example, you can explore the Svelgfoss Dam – Lake Along the Gravel Path loop from Notodden kollektivterminal.
You can expect a mix of surfaces, including forest paths and more open sections. The terrain is characterized by significant elevation changes, with routes often traversing forested areas and passing by natural water features like lakes and dams.
While specific seasonal data isn't provided, generally, spring through autumn offers the most favorable conditions for gravel biking in nature reserves like Fjellstulfjellet, with milder weather and clear paths. Winter conditions might introduce snow and ice, making trails more challenging or impassable.
The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the varied natural landscapes, the challenge of the elevation changes, and the scenic routes that pass by dams and lakes.
While specific named viewpoints are not detailed, the routes in Fjellstulfjellet Naturreservat feature significant elevation changes and pass by natural water features like the Svelgfoss Dam and Støle Tveiten Dam. These locations, along with the forested sections, offer numerous scenic opportunities. Consider the Skimore Kongsberg – Støle Tveiten Dam loop from Kobberbergselva for such views.
One of the routes, the Svelgfoss Dam – Lake Along the Gravel Path loop, starts from Notodden kollektivterminal, suggesting public transport access to that specific starting point. For other routes, it's advisable to check local public transport options to their respective starting locations.
Given the difficult grading and significant elevation changes, it's recommended to bring appropriate gear including a well-maintained gravel bike, helmet, sufficient water and snacks, navigation tools (like komoot), a repair kit, and weather-appropriate clothing. Be prepared for varied terrain and potential solitude on the trails.
The guide data does not specifically mention cafes or restrooms directly along the trails. Given it's a nature reserve with difficult routes, facilities might be limited. It's best to plan accordingly and carry what you need, or check for amenities in nearby towns like Notodden or Kongsberg before or after your ride.
Yes, Fjellstulfjellet Naturreservat is well-suited for advanced gravel cycling. All the routes listed, such as the Solar-Powered Charging Station – Bicycle Self-Service Station loop from Kobberbergselva, are rated as 'difficult' due to their length, elevation gain, and varied terrain, providing a challenging experience for experienced riders.

