Gråkammen is a station on the

Holmenkollen Line The Holmenkollen Line () is an Oslo Metro line which runs between Majorstuen and Nordmarka in Oslo, Norway. Operating as Metro Line 1, it is the route with the fewest passengers and the only one still to have level crossings and short station ...

(Line 1) of the

Oslo Metro The Oslo Metro ( or or simply ) is the rapid transit system of Oslo, Norway, operated by Sporveien T-banen on contract from the transit authority Ruter. The network consists of five lines that all run through the city centre, with a total leng ...

. It is located between Gulleråsen and Slemdal. The station was opened on 31 May 1898 as part of the tramway to Besserud. It derives its name from the surrounding hillocks (Gråkammen is Norwegian for ''Grey Ridge'').

References

Oslo Metro stations in Oslo Railway stations in Norway opened in 1898 {{Oslo-metro-stub