4.4
(31)
192
hikers
12
hikes
Hiking around Katnosa offers diverse trails within the Spålen-Katnosa Nature Reserve, characterized by forested hills predominantly covered in spruce. The region features Lake Katnosa and extensive wetlands, contributing to varied ecosystems and scenic views. Terrain ranges from wide, gentle formations to steeper slopes and valley sides, providing varied hiking experiences. This area combines natural beauty with cultural-historical heritage, including sites like Katnosa farm.
Last updated: June 29, 2026
1
hikers
11.9km
03:15
180m
180m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
3
hikers
7.79km
02:08
110m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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10.2km
03:04
250m
250m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.8
(6)
21
hikers
12.3km
03:27
240m
240m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
20
hikers
10.6km
02:58
210m
210m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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This is one of two, cyclable connections between the Oslo side and the Hadeland side of Nordmarka. Yuo need to use this one to get to the gravel on the ther side.
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A rennovated stable, today Tverrsjøstallen is a simple dining spot that serves food and drink at weekends during the skiing season. While it's closed at other times in the year, the bus stop here is the ideal start point for a hike to Svarttjernshøgda, Nordmarka's highest point.
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Ølja is a lovely lake at the eastern foot of Svarttjernshøgda, Nordmarka's highest peak at 717 metres (2,352 ft). One of two main trails to the top begins from the lake's western end.
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At 717 metres (2,352 ft), Svarttjernshøgda is the highest point in Nordmarka. It's a hike that's suitable for all, providing a good hillwalk for families. The main trail from the east is well-signposted throughout.
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A beautiful wooden walkway section leads you through the middle of a sparse birch forest, allowing you to stay dry in all weather conditions.
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Sinnerdammen is the name of this beautiful old hunting lodge belonging to the DNT, the Norwegian Trekking Association. It dates back to 1898 and is characterised by its rustic charm. The lodge is located in a cleared forest glade right next to a small river. Information about the lodge and booking can be found here: https://ut.no/hytte/10788/sinnerdammen.
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The hut at Katnosdammen was once the dam keeper's house, but today it is owned by the Norwegian Trekking Association (DNT) and is therefore open to everyone. However, it must be booked in advance. The cabin is beautifully situated right by the lake and is very charming both inside and out. Canoes and life jackets can be provided for overnight guests. You can find more information and the link to book the cabin here: https://ut.no/hytte/10778/katnosdammen.
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The hiking trails in Katnosa are predominantly moderate. These routes generally require good fitness and can take several hours to complete, often involving varied terrain and some elevation changes. For example, the View of Spålen Lake loop from Vestend hyttegrend is a moderate 7.7-mile trail.
Katnosa offers a diverse landscape characterized by forested hills, primarily covered in spruce. You'll find wide and gentle terrain formations, but also some steeper slopes and valley sides, providing a varied hiking experience. The region also features Lake Katnosa and extensive wetlands, contributing to picturesque views and a rich ecosystem.
Yes, hikers can explore several interesting features. The central natural feature is Lake Katnosa itself, along with surrounding wetlands. The area also holds cultural-historical heritage, with sites like Katnosa farm and Sinnerdamshytta. Many trails, such as the View of Spålen Lake – Port Arthur loop from Vestend hyttegrend, offer scenic views of Spålen Lake.
While specific parking locations are not detailed for every trail, Katnosa is recognized as an excellent starting point for hikes within the nature reserve, implying accessibility. Many trailheads, especially those originating from areas like Vestend hyttegrend or Brattlia, typically have designated parking facilities for hikers.
The region is suitable for outdoor recreation experiences throughout much of the year. While specific seasonal recommendations are not provided, the lush spruce forests and varied terrain suggest pleasant hiking conditions from spring through autumn. Winter hiking is also possible, offering a different experience of the snow-covered landscape, though conditions may require appropriate gear.
As part of the Spålen-Katnosa Nature Reserve, general rules for nature reserves in Norway apply. Dogs are typically allowed on trails but must be kept on a leash, especially during certain periods to protect wildlife, and always around livestock. It's always best to check local signage or official park regulations for specific rules during your visit.
Yes, Katnosa offers several circular routes, which are popular among hikers. Examples include the Knippahaugen loop from Brattlia, a 3.4-mile trail through forested hills, and the Bislingflaka loop from Brattlia, which is 4.8 miles long.
The area is highly rated by the komoot community, with an average score of 4.6 stars from around 25 reviews. Hikers often praise the diverse terrain, the tranquil forested environment, and the scenic views of lakes like Katnosa and Spålen, offering a true sense of wilderness combined with cultural history.
Hike durations in Katnosa vary depending on the route and your pace. Moderate trails, which are common here, can range from approximately 1 hour 30 minutes for shorter loops like the Knippahaugen loop, to over 3 hours for longer routes such as the View of Spålen Lake loop.
While the listed routes are moderate, the varied topography of Katnosa, including steeper slopes and valley sides, allows for longer and more challenging excursions by combining trails or exploring the broader Spålen-Katnosa Nature Reserve. The region is known for trails that can exceed five hours for experienced hikers, requiring good fitness and sturdy shoes.
Yes, the Katnosdammen cabin, located on the outskirts of the Spålen-Katnosa Nature Reserve, offers accommodation and serves as a convenient base for exploring the area. This provides an option for those looking to extend their stay and immerse themselves further in the natural surroundings.
The nutrient-rich forest floor and varied ecosystems, including wetlands, support a wide variety of plant species and vegetation. While specific wildlife sightings are not guaranteed, nature reserves like Spålen-Katnosa are home to diverse flora and fauna typical of Norwegian forests, offering opportunities for wildlife observation.


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