4.9
(25)
386
riders
58
rides
Mountain biking around Nesøytjern offers routes through a landscape shaped by the Oslo Rift, featuring lime-rich geology and diverse forest types. The area surrounding the Nesøytjern nature reserve includes hilly terrain and dense woodlands, providing varied conditions for mountain bikers. While the nature reserve itself is protected from cycling, the broader region offers numerous trails. These routes often traverse ancient forests and areas with varied elevation, characteristic of the Asker municipality.
Last updated: June 26, 2026
5.0
(3)
21
riders
38.9km
03:00
710m
710m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
14
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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5.0
(2)
6
riders
28.0km
02:22
530m
530m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4
riders
38.3km
03:17
660m
660m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
12
riders
35.1km
02:52
560m
560m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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A narrow path along the Sandvikselva river. The banks and the riverbed are still in their natural state here.
0
0
The Sandvika small boat harbor („Småbåtshavn“) is a marina used by local residents and visitors for mooring leisure boats and accessing the Oslofjord.
0
0
Challenging trail (between Burås and Lindeberget) – very difficult – with some elevation gain. Rocky, loose ground, roots, large, slippery stones covered in moss. A small swampy area (2-3 meters) must be crossed, and the trail leads along a fence – here, the path on the slope is only about 60-70 cm wide (near Lindeberget). Beautiful views of the Holsfjorden are free.
0
0
Nice beach and dive tower, also with automated bike parking prototype nearby!
1
0
Very expensive and dirty WoMo parking space, not recommended.
0
0
an excellent starting point to enjoy a summer day
0
0
No, mountain biking is strictly prohibited within the Nesøytjern Nature Reserve itself to protect its unique and varied ecosystem. The reserve is designated for nature appreciation through hiking on marked trails. However, the broader region surrounding Nesøytjern offers numerous mountain bike trails.
There are over 60 mountain bike trails available in the area surrounding Nesøytjern. These routes offer a variety of experiences, from easy rides to more challenging ascents through dense forests and hilly terrain.
The trails around Nesøytjern cater to various skill levels. You'll find 8 easy routes, 41 moderate routes, and 15 difficult routes, ensuring options for both beginners and experienced mountain bikers.
The terrain around Nesøytjern is characterized by dense forests, hilly sections, and paths that navigate the region's unique geology, part of the Oslo Rift. You can expect varied conditions, including lime-rich rock formations and ancient woodlands, offering a diverse riding experience.
Yes, there are several easy routes suitable for families. For instance, the Boat rental at Sundst loop from Slependen is an easy 27.8 km path that offers a less strenuous ride through the local landscape.
While dogs are generally welcome on many trails, it's important to note that within the Nesøytjern Nature Reserve, dogs must be kept on a leash year-round. When mountain biking on trails outside the reserve, always ensure your dog is under control and respect local regulations regarding pets on trails.
Yes, many of the mountain bike routes in the area are designed as loops. Examples include the popular Sandungen Lake – Flow Trail in Vestmarka loop from Slependen and the Ringvollåsen – Sveltåsen loop from Slependen.
While mountain biking, you'll experience the region's unique geology, part of the Oslo Rift, with its lime-rich rocks. The trails often traverse ancient forests and offer glimpses of the diverse ecosystem that characterizes the area around Nesøytjern. The natural beauty of the dense woodlands and hilly landscapes are key attractions.
The area is highly rated by the komoot community, with an average score of 4.9 stars from over 30 reviews. Mountain bikers often praise the varied terrain, the dense forests, and the challenging hilly sections that make for an engaging ride.
Experienced mountain bikers might enjoy routes with significant elevation gain and varied terrain. The Sandungen Lake – Flow Trail in Vestmarka loop from Slependen, a moderate 38.9 km trail with over 700 meters of elevation gain, offers a challenging ride through forested areas.
Many routes, such as those starting from Slependen, typically have designated parking areas nearby. It's advisable to check the specific route details on komoot for information on starting points and parking facilities.
The best time for mountain biking around Nesøytjern is generally during the warmer months, from spring through autumn, when trails are dry and accessible. Winter conditions can make some trails challenging or impassable due to snow and ice.


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