Maridalen

thumb|400x400px|Maridalsvannet and Maridalen Maridalsvannet () is a lake in Maridalen, Oslo, Norway. It is the largest lake in the municipality of Oslo, serving as its primary drinking water supply. The lake drains via the river Akerselva to the Oslofjord. The primary inflows are Skjærsjøelva and Dausjøelva. The Hammeren Hydroelectric Power Station exploits the fall from Skjærsjøen to Maridalsvannet.

Movann is a lake at the northern end of the village of Sørbråten in Maridalen valley in Nordmarka, a forested part of Oslo, Norway. It has a train station on the Gjøvik Line. The population of Sørbråten is 317.

railway station in Oslo, Norway

railway station in Oslo, Norway

church in Oslo, Norway

thumb|upright|220px|Maridalsvannet from the south thumb|Church ruins of the old St. Margaret's Church, Oslo|Saint Margaret's Church from the 13th century in Maridalen. thumb|Maridalen and Maridalsvannet Maridalen is a valley in the north of Oslo, Norway, just above the suburb of Kjelsås. Considering that Maridalen is within the Oslo city limits, this area has a very low population density. The valley consists of forests, lakes and agricultural land. Most of the valley is made up of the lake Maridalsvannet, which serves as the primary source of drinking water for 90% of Oslo's population. The o

railway station in Oslo, Norway