4.5
(160)
21,350
runners
576
runs
Jogging around Alnsjøen offers a diverse experience within the Lillomarka forest in northern Oslo. The region is characterized by dense woodlands, varied elevations, and serene lake views, providing a classic forest running environment. While the lake itself is a water reservoir, the surrounding trails are openly accessible for outdoor pursuits. This area presents a blend of natural features well-suited for various running preferences.
Last updated: May 30, 2026
13
runners
5.82km
00:37
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
runners
15.3km
01:38
170m
170m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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6
runners
6.98km
00:44
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
runners
6.25km
00:40
100m
100m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4
runners
6.03km
00:38
80m
80m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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You'll find nearly 600 running routes in the Alnsjøen area, catering to various fitness levels. This includes a good mix of easy, moderate, and difficult trails through the dense woodlands and varied terrain.
The jogging trails around Alnsjøen are characterized by dense woodlands and diverse elevations, offering a classic forest running experience. You can expect varied terrain, from accessible paths around the lake to more challenging sections with ascents and descents.
Yes, there are several easy running options. For instance, the region research mentions a well-regarded 6.5 km 'Hike around Alunsjøen' trail, which is an easy loop with accessible paths, suitable for all fitness levels. While not a specific komoot tour in this guide, it highlights the availability of gentler paths.
The Alnsjøen area is highly rated by the komoot community, with an average score of 4.5 stars from over 130 reviews. Runners often praise the serene lake views, the varied forest terrain, and the well-maintained trails that provide a refreshing outdoor experience.
While direct activities on Alnsjøen lake are prohibited as it's a water reservoir, the surrounding trails offer scenic lake views and the natural beauty of the Lillomarka forest. Some routes, like the 'Bispedalskollen – Sportstuen View loop' mentioned in regional research, are known for their vistas. The area also has subtle historical traces of 18th-century copper mining.
Generally, dogs are welcome on trails in Norway's natural areas, provided they are kept on a leash, especially during certain times of the year to protect wildlife. It's always best to check local regulations for specific trails, but the forest environment around Alnsjøen is typically dog-friendly.
Yes, many of the running routes around Alnsjøen are designed as loops, offering a convenient way to start and finish at the same point. An example from this guide is the Running loop from Grorud, a moderate 5.9 km trail.
For those seeking a more demanding run, Alnsjøen offers several difficult routes. A notable option is the Running loop from Kalbakken, which is a difficult 15.3 km path featuring varied terrain and extending through the woodlands surrounding the lake.
Yes, based on common access points for outdoor areas in Oslo, you can typically find parking facilities near popular trailheads or access points to the Lillomarka forest, which surrounds Alnsjøen. Specific parking details might vary by starting point.
The Alnsjøen area, being part of Lillomarka in northern Oslo, is generally accessible by public transport. You can often reach starting points for trails via bus or metro services that connect to the outer parts of the city, followed by a short walk to the trailheads.
The Alnsjøen area is suitable for running for much of the year. Spring, summer, and autumn offer pleasant conditions with lush greenery or vibrant fall colors. In winter, the landscape transforms, and while trails are still accessible, some areas might be used for cross-country skiing, so conditions can vary.
While the immediate vicinity of Alnsjøen is a natural forest area, you may find cafes or small eateries in the residential areas bordering Lillomarka, such as Grorud or Rødtvet, which are common starting points for many routes. These would typically be a short distance from the main trailheads.


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