4.5
(1544)
14,957
hikers
539
hikes
Hiking around Alnsjøen is characterized by dense woodlands and varied terrain within the Lillomarka forest. The central feature is Alnsjøen lake, which provides scenic views throughout the area. Paths wind through the forest, often revealing perspectives of the water and the surrounding natural environment. The landscape also holds historical interest, with traces of 18th-century copper mining activities visible.
Last updated: May 3, 2026
4.0
(2)
7
hikers
6.54km
01:49
120m
120m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
6.82km
01:55
140m
140m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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46
hikers
2.87km
00:47
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
35
hikers
6.40km
01:54
190m
190m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
11
hikers
5.83km
01:43
170m
170m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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This lake is gorgeous in every season: serene and frozen in winter, a beautiful blue surrounded by green in summer.
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Røverkollen is a 404-meter-high hill located on the border between Oslo and Nittedal municipalities, featuring a prominent TV mast and a concrete lookout tower. The area is ecologically valuable due to its unique limestone pine forest and diverse vegetation, and it includes old burial cairns and historical significance as a site linked to ancient road robbers; part of it has been protected as Røverkollen Nature Reserve since 1993.
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The lake is part of the Slattumsrøa Nature Reserve, with inflow from Lusevasan in the north and outflow to Steinbruvannet in the south. A lit trail runs along the eastern side, providing easy access from Skytta in the north and Steinbruvannet and Grorud in the south.
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A soft, root-laced trail winding through tall pine woods, perfect for flowy runs, quiet hikes, or just soaking in the forest stillness.
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From the trail we benefit from a nice view over the Alungsjøen lake.
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This small dam overflow from the Alundsjøen lake creates a surprising and photogenic contrast in the landscape.
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There are over 240 easy hiking trails around Alnsjøen, offering a wide variety of options for different preferences and fitness levels within the Lillomarka forest.
Easy hikes around Alnsjøen feature dense woodlands and varied terrain, with paths winding through the forest. You can expect classic forest hiking experiences, often revealing scenic views of Alnsjøen lake and the surrounding natural environment.
Yes, Alnsjøen offers several easy circular routes. A popular option is the Hike around Alunsjøen, which circles the lake and is approximately 6.5 km long. Another is the View of the Lake in Nordmarka loop from Grorud, a shorter 2.9 km trail with lake views.
Beyond the tranquil lake views, some easy trails, like the View over Alungsjøen – Linderud Copper Mines loop from Grorud, include historical points of interest related to 18th-century copper mining activities, adding a unique historical dimension to your walk.
Many of the easy trails around Alnsjøen are suitable for families. Routes like the Hike around Alunsjøen offer accessible paths that are generally suitable for all fitness levels, making them a great choice for a family outing.
Yes, the trails in the Lillomarka forest, including those around Alnsjøen, are generally dog-friendly. However, it's always recommended to keep dogs on a leash, especially during certain seasons or in areas with wildlife, and to follow local regulations.
The easy trails in Alnsjøen are highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the tranquil lake views, the peaceful forest atmosphere, and the well-maintained paths that make for an enjoyable and accessible hiking experience.
The Alnsjøen area is beautiful year-round. Spring and autumn offer vibrant colors and pleasant temperatures, while summer provides lush greenery. Even winter can be appealing for snowshoeing or cross-country skiing on suitable trails, though conditions should be checked.
Yes, there are typically parking options available at common starting points for trails in the Lillomarka forest, such as near Grorud. Specific parking details can often be found on individual route pages.
Alnsjøen, being part of the Lillomarka forest in northern Oslo, is generally accessible via public transport. You can often reach trailheads from areas like Grorud, which are served by Oslo's public transportation network.
The duration of easy hikes varies. For example, the Hike around Alunsjøen takes approximately 1 hour and 49 minutes, while a shorter option like the View of the Lake in Nordmarka loop from Grorud can be completed in about 47 minutes.
Yes, many easy trails offer scenic viewpoints, particularly those that circle the lake or ascend slightly. For instance, the View of the Lake in Nordmarka loop from Fjellhøy provides lovely perspectives of the lake and surrounding forest.


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