Grefsenåsen, Mountain summit in Lillomarka, Oslo, Norway.
Grefsenåsen is a mountain summit near Oslo that rises to 377 meters and offers views across the city with natural forest trails running along its slopes. The terrain is accessible via marked paths that lead from the city center outward.
The name comes from a former farm called Grefsen that once stood in this area. A hilltop restaurant opened in 1927 and continues to serve visitors today.
The summit serves as a gathering place where locals spend time outdoors throughout the year. In warmer months, people hike the forest paths, while snowy seasons bring skiers and sledders to its slopes.
The summit is easy to reach with well-marked paths suitable for both new and experienced hikers. Parking is available nearby, and the area is walkable year-round, though winter brings snow and ice that may require extra care.
This peak sits within Lillomarka, a vast forest area spanning thousands of hectares that serves as Oslo's main outdoor recreation zone. Many visitors don't realize this woodland network stretches many kilometers in all directions with countless hidden trails to explore.
GPS coordinates: 59.95919,10.80349
Latest update: December 13, 2025 11:44
Norwegian Museum of Science and Technology
1.4 km
Grefsenkollen
29 m
Riksteatret
2.3 km
Lunden kloster
2.4 km
Nydalens Compagnie
2.2 km
Grefsen Church
1.5 km
Grefsen Senior High School
1.7 km
Lillo gård
2.4 km
Kjelsås Bruk
1.5 km
Grefsen kapell
1.9 km
Grefsen Sanatorium
1.3 km
Bakke Mølle
2.5 km
Grefsen og Disen Velhus
1.9 km
Trollvannstua
318 m
Villa Skagestad
903 m
Gullhaug bru
2.4 km
Brekkefossen
1.7 km
Tonsen Gård
2.1 km
Grefsenåsen kapell
434 m
Trikkehallen
1.2 km
Aker sykehusmuseum
2.2 km
Frysjafossen
1.5 km
Park Vest, Oslo
2.4 km
Nydalen kapell
2.2 km
Ellendalens Spinderi
2.3 km
Schibsted trykkeri, Sandakerveien 121
2.2 km
ODEON Oslo
2.2 km
Grefsen apotek
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