Grefsenåsen is a hill in Lillomarka

Lillomarka

Lillomarka is a part of Oslomarka, lying to the North East of Oslo, in both Oslo and Nittedal municipalities.- Location :Lillomarka is bordered by Maridalen in the West, Nittedal and Gjelleråsen with Gjelleråsmarka in the east, the built up areas of the suburbs Bjerke and Grorud in the south and...

 in Oslo

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. The height is 377 meter.

The view from the top is magnificent, and the hill has for a long time been a popular resort for day-tripper

Day-tripper

A day-tripper is a person who visits a tourist destination or visitor attraction from his/her home and returns home on the same day.- Definition :In other words, this excursion does not involve a night away from home such as experienced on a holiday...

s living in Oslo. A restaurant was built on the top in 1927, and this is still in use.

The name

The hill is named after the old farm of Grefsen

Grefsen

right|thumbnail|300px|Grefsen ChurchGrefsen is a neighbourhood of the city of Oslo, Norway.Together with Kjelsås, Grefsen was part of the borough Grefsen-Kjelsås until January 1, 2004, when they became part of the new borough of Nordre Aker....

, the last element is the finite form of ås m 'mountain ridge'.