4.6
(1503)
13,420
hikers
138
hikes
Hiking in Lillomarka Naturreservat offers a varied landscape characterized by rift valleys, diverse forests, and numerous picturesque lakes. This 62 square kilometer area features both old spruce and deciduous woodlands, alongside hilly terrain with elevations like Slengfehøgda. The bedrock is composed of syenite, contributing to the unique geological features found along the trails.
Last updated: July 8, 2026
3.0
(2)
6
hikers
4.83km
01:25
130m
130m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
6
hikers
6.63km
01:51
110m
120m
Moderate hike. Great for any fitness level. Mostly accessible paths. Sure-footedness required.

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6
hikers
5.05km
01:25
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.
1.0
(1)
20
hikers
5.57km
01:38
160m
160m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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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Cabin with gastronomy and great views over Oslo and the fjord
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Among the very best viewpoints over Oslo city area. Accessible by car and road bike, but there are also several very nice hiking paths up to the summit, fit also for mountain biking and gravel bikes. The restaurant and the pub are excellent with a personal touch, but nothing beats a cold bear or a glass of wine and a pizza in the sunshine while enjoying the spectacular views.
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Lillomarka Naturreservat offers a wide selection of hiking trails accessible directly from bus stations. There are over 140 routes available, ranging from easy strolls to more challenging treks, ensuring options for various fitness levels.
The terrain in Lillomarka Naturreservat is diverse. You can expect varied landscapes including old spruce and deciduous forests, hilly sections with elevation gains, and picturesque lakes. Some areas, like Grytedalen, feature a rift valley with relatively steep sides, while others offer gentler paths through woodlands. The bedrock is primarily syenite (nordmarkitt), contributing to the unique geological character.
Yes, Lillomarka Naturreservat has numerous easy hiking options accessible by bus. For example, the Grytlihøgda – Trollhaug loop from Maridalen is an easy 4.8 km route with moderate elevation, perfect for a relaxed outing. Another accessible easy option is the View from Røverkollen – Romstjern Lake loop from Grorud, offering a pleasant 6.4 km walk.
Many of the bus-accessible trails in Lillomarka Naturreservat are designed as circular routes, allowing you to start and end at the same bus stop without retracing your steps. Examples include the Grytlihøgda – Trollhaug loop from Maridalen and the View of Oslo loop from Oslo, both offering convenient round trips.
Hikes in Lillomarka Naturreservat offer opportunities to experience diverse natural beauty. You can encounter numerous picturesque lakes, dense forests, and hilly sections that provide panoramic views. The Grytedalen rift valley is a notable geological feature. Some routes, like the View of the Lake in Nordmarka loop from Grorud, specifically highlight scenic lake views.
Yes, many bus-accessible trails in Lillomarka Naturreservat are well-suited for families. The reserve offers a variety of easy to moderate paths through forests and around lakes, providing enjoyable experiences for all ages. Routes like the View of the Lake in Nordmarka loop from Fjellhøy are relatively short and have manageable elevation, making them good choices for family outings.
Lillomarka Naturreservat is generally dog-friendly, but it's important to keep dogs on a leash, especially during nesting seasons and near wildlife. Always check local regulations and signage for specific trail rules. Most bus-accessible trails are suitable for dogs, allowing them to enjoy the natural environment with you.
Yes, Lillomarka Naturreservat is equipped with several sports lodges that serve as excellent resting spots and offer refreshments. You can find lodges such as Lilloseter, Linderudkollen, Sinober, and Trollvannstua within the area, providing convenient breaks during your hike.
Lillomarka Naturreservat is a year-round recreation area. Spring and autumn offer vibrant colors and pleasant temperatures, while summer provides long daylight hours for extended hikes. Winter transforms the landscape into a snowy wonderland, suitable for snowshoeing or cross-country skiing on designated trails. The best time depends on your preferred activity and scenery.
No, you do not need a permit to hike in Lillomarka Naturreservat. The area is freely accessible for outdoor recreation. However, as it is a nature reserve, it's important to respect the natural environment, stay on marked trails, and follow general outdoor ethics to protect its biodiversity.
The komoot community highly rates the trails in Lillomarka Naturreservat, with an average score of 4.5 stars. Hikers frequently praise the accessibility from public transport, the varied and beautiful forest landscapes, the peaceful atmosphere, and the well-maintained network of trails that cater to different skill levels. The presence of sports lodges for breaks is also a popular highlight.


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