4.5
(1564)
15,066
hikers
197
hikes
Bus station hiking trails around Alnsjøen are situated within the Lillomarka forest in northern Oslo, Norway, offering a diverse natural environment for outdoor activities. The region is characterized by dense woodlands, varied terrain with different elevations, and the central Alnsjøen lake, which serves as a minor water reservoir. Hikers can find paths ranging from accessible loops around the lake to more challenging ascents through the forest.
Last updated: May 17, 2026
5
hikers
4.95km
01:24
90m
90m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.
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.

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8
hikers
7.63km
02:16
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
3
hikers
5.54km
01:39
180m
180m
Hike the easy 3.4-mile Årvollåsen Nature Trail in Oslo's Lillomarka, featuring diverse forest, historical sites, and views of Oslofjord.
55
hikers
7.04km
02:05
200m
200m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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This is not just a cave, it's an outlaw's hideout! On the info sign you can read more about the special history of this place.
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If you follow the small side trail off the main trail, you will find this magical viewpoint.
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Take a break at this lookout point to see the sprawling capital below your feet. How many landmarks can you recognize?
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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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I recommend climbing Grefsenkollen, especially in the evening light. The sunset over Oslo is magical from here. You can also take a sauna at the summit. However, it can get quite crowded, especially in spring and summer.
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There are over 190 hiking routes around Alnsjøen that are easily accessible by bus, offering a wide variety of options for all skill levels. This includes 118 easy routes, 74 moderate routes, and a few more challenging trails.
Hiking around Alnsjøen from a bus station offers a unique blend of urban accessibility and immersive nature. You can quickly transition from city life into the tranquil Lillomarka forest, enjoying picturesque lake views of Alnsjøen and varied terrain without needing a car. It's an ideal way to explore the natural beauty of Oslo's green belt.
Yes, Alnsjøen offers many easy bus-accessible routes perfect for beginners. For example, the View from Røverkollen – Romstjern Lake loop from Grorud is an easy 6.4 km trail with varied terrain, providing a great introduction to the area's natural beauty.
While many routes are easy to moderate, the varied terrain of Lillomarka does offer more challenging sections. For a moderate experience with some elevation, consider routes that venture further into the forest. The region has a few difficult trails for those seeking a greater challenge, often involving more significant climbs and longer distances.
Generally, dogs are welcome on the hiking trails around Alnsjøen and within the Lillomarka forest. However, it's important to keep them on a leash, especially during nesting seasons for birds and when near wildlife. Always check local regulations and respect other hikers and nature.
Absolutely! Many bus-accessible trails around Alnsjøen are ideal for families. The diverse network includes easy, well-maintained paths suitable for children. The scenic lake views and forest environment provide an engaging outdoor experience for all ages. Look for shorter, less strenuous loops for younger children.
Yes, many of the bus-accessible routes around Alnsjøen are circular, allowing you to start and end at the same bus stop without retracing your steps. A popular example is the View of the Lake in Nordmarka loop from Grorud, which offers continuous lake views through forest paths.
The best time to hike around Alnsjøen is typically from spring through autumn (May to October) when the weather is mild, and the trails are clear of snow and ice. Spring brings lush greenery, summer offers pleasant temperatures, and autumn showcases beautiful fall foliage. However, winter hiking is also possible for those equipped for snowy conditions.
On bus-accessible hikes around Alnsjøen, you can expect stunning views of Alnsjøen lake itself, framed by the dense Lillomarka forest. The terrain varies, offering classic forest experiences, diverse flora, and sometimes expansive views of the surrounding landscape from higher points. The area is rich in natural beauty, characteristic of the Oslomarka system.
Yes, the landscape around Alnsjøen holds intriguing historical traces. You might encounter remnants of 18th-century copper mining activities, adding a unique historical dimension to your natural exploration. These historical elements blend seamlessly with the forest environment, offering a glimpse into the region's past.
While the immediate vicinity of Alnsjøen is primarily natural forest, some bus-accessible trailheads are located closer to residential areas or transport hubs where you might find local cafes or small shops. For more extensive options, you would typically need to venture slightly further into the surrounding neighborhoods of Oslo.
The bus-accessible trails around Alnsjøen are highly rated by the komoot community, with an average score of 4.5 stars from over 1400 ratings. Reviewers often praise the convenience of public transport access, the beautiful and tranquil forest environment, and the picturesque lake views that make for a refreshing escape from the city.


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