4.7
(34)
692
riders
63
rides
Mountain biking around Østernvannet offers a diverse network of trails within the Bærumsmarka and wider Nordmarka areas. The region features varied landscapes, including dense forest scenery, rolling hills, and picturesque lakes like Østernvannet itself. Riders can expect rocky paths, winding trails, and challenging descents, with routes often leveraging forest roads and dedicated mountain bike paths. The terrain provides options for different skill levels, from moderate to difficult.
Last updated: May 14, 2026
9
riders
13.6km
01:25
310m
310m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
21
riders
45.9km
03:43
670m
670m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Sign up for free
11
riders
34.8km
03:04
610m
600m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
7
riders
17.8km
01:34
310m
310m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5
riders
89.3km
07:14
1,210m
1,210m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
It is an old chapel
0
0
Epic-looking ruins along the trail, feels like something out of God of War.
0
0
Just a short distance from Oslo, Bogstadvannet makes for an excellent run. It can be combined with a run along Lysakerelva. The fastest known time (as of March 2025) for combining both in a 15-mile loop, starting and finishing at where the river meets the fjord, is 2 hours, 35 minutes and 2 seconds, set by Sebastian Böck.
0
0
Bogstadvannet merges into Lysakeralva - a nice starting point for a tour along the Lysaker.
0
0
You can stop to swim here, and a good free camping spot for families is 20 Meters up.
0
0
Memorial over two prisoners that were shot here by the nazis during ww2.
0
0
The trails around Østernvannet, within Bærumsmarka and the wider Nordmarka area, feature diverse landscapes. You'll encounter dense forest scenery, rolling hills, rocky paths, winding trails, and challenging descents. Many routes utilize existing forest roads and dedicated mountain bike paths, offering a varied riding experience.
While many trails are moderate to difficult, the area does offer some options for less experienced riders. There are 5 easy routes available, which might be more suitable for families or beginners looking for a gentler introduction to mountain biking in the area. The broader network of forest roads from Fossum also provides accessible paths.
Yes, the Bærumsmarka area, including trails around Østernvannet, is generally dog-friendly. However, it's always recommended to keep your dog on a leash, especially in areas with wildlife or other trail users, and to check local regulations for specific trail sections.
Østernvannet itself is a scenic forest lake, offering picturesque views. The surrounding Bærumsmarka is characterized by beautiful forest scenery, rolling hills, and other smaller lakes. You'll find panoramic vistas in various sections, especially on routes that climb to higher points like Orrhaneberget, which is part of the Brunkollen Tourist Cabin – Orrhaneberget loop from Østerås.
The trails vary significantly in length. For example, the Downhill Trails in Nordmarka loop from Bråten is 8.6 miles (13.9 km), while the Nordmarka Loop – Kikutstua loop from Østerås extends to 28.5 miles (45.9 km). There are also longer, more challenging routes like the Vigeland Sculpture Park – Nordmarka Loop loop from Østerås, which is 54.4 miles (87.6 km).
The best time for mountain biking around Østernvannet is typically from spring through autumn when the trails are clear of snow and ice. The forest scenery is particularly beautiful in late spring and early autumn. Winter riding is possible but requires appropriate gear and conditions, as trails can be snowy or icy.
Yes, many of the mountain bike routes around Østernvannet are designed as loops. Examples include the Downhill Trails in Nordmarka loop from Bråten, the Nordmarka Loop – Kikutstua loop from Østerås, and the Franzefoss Cabin – Steinsskogen Downhill Trail loop from Østerås, all offering a return to your starting point.
Parking is generally available at common access points to the Bærumsmarka area. For routes starting from Østerås, you can often find parking facilities nearby. Fossum is also a known access point with ample parking for reaching the broader network of forest roads and trails.
While Østernvannet itself is a natural area, the surrounding Bærum municipality offers various amenities. You can find cafes, pubs, and accommodation options in nearby towns and villages, particularly in Østerås or other areas bordering the Bærumsmarka. Some routes, like the Brunkollen Tourist Cabin – Orrhaneberget loop from Østerås, pass by tourist cabins which may offer refreshments.
The area is highly rated by the komoot community, with an average score of 4.6 stars from over 40 reviews. Riders often praise the diverse terrain, the beautiful forest scenery, and the extensive network of trails that cater to various skill levels, from moderate to challenging descents.
There are over 65 mountain bike trails available around Østernvannet, offering a wide range of options for different skill levels and preferences. This includes 5 easy, 47 moderate, and 13 difficult routes.


Browse the best MTB trails in other regions.