Nøklevann

Sarabråten is an area near the lake Nøklevann in Østmarka, Oslo, Norway. Now a recreational area, it was owned by Thomas Johannessen Heftye and his descendants from 1856 to 1911, and after that by Oslo municipality. It was first recorded under the name Jørgensrud in 1578, when owned by the Diocese of Oslo. A ski jumping hill was located here earlier.Sarabråten has a memorial of Christian Dons, founder of the Scout Movement in Norway, as well as a memorial raised in 1946 of nine WWII resistance members.

Bøler () is a south-eastern suburb of Oslo, Norway. It is one of the more picturesque areas of Oslo. Østmarka forest and lake Nøklevann are in its immediate vicinity. Infrastructure-wise, it has a shopping center [1], two elementary schools, a public bath, a library, a church and a stop on the Østensjøbanen metro line.

Ulsrud is a station on the Østensjø Line (Line 3) on the Oslo Metro, located between the stations of Oppsal and Bøler, 7.8 kilometers (4.8 mi) from Stortinget. The station was opened as a subway station 29 October 1967. P.A.M. Mellbye was the station's architect.

Ulsrud is a neighbourhood in Oslo, Norway. Previously an ancient farm, and located between the lakes Østensjøvannet and Ulsrudvannet.The area is served by the Ulsrud station of the Østensjø Line on the Oslo Metro.

Oppsal is a suburb in the borough of Østensjø in Oslo, Norway. The modern history of Oppsal starts with villas and summer homes built during the Interwar period. The Oslo Tramway was extended to Oppsal in 1926. Oppsal was developed as a planned suburb after World War II, and the first apartment block was built in 1954. The suburb got its own church in 1961, and a shopping mall opened in 1964. Oppsal borders on the forested areas of Østmarka. The tram was upgraded to a subway in 1967, and Oppsal is now served by Oppsal station on Østensjøbanen. Oppsal is the hometown of the fictional detective Harry Hole, and is frequently mentioned in these thrillers. The worldwide popularity of the series has made Oppsal better known to non-Norwegians.

Haukåsen Radar is one of two air traffic control radars serving Oslo's Gardermoen Airport, the other being the airport radar itself. The radar is a landmark structure visible from most of Oslo and its surroundings, located inside a white radome on the hillcrest Haukåsen in Østmarka, elevation 357 meters above sea level, south-east of the suburb of Haugerud in the Grorud Valley. The first radar to be built here in 1964, is exhibited at the National Aviation Museum in Bodø in Northern Norway. The radar is unmanned and remotely operated by Oslo ATCC (the Area Control Center at Røyken south of Oslo) and is owned by Avinor. The radar itself, rotating at a cycle of about 4 seconds, can be peeked through a grate when standing directly below the dome. The radiation from the antenna is reported by geocachers to render GPS equipment in its vicinity inoperable.

Bogerud is a station on Østensjø Line (line 3) of the Oslo Metro. The station is located between Bøler and Skullerud, 10.2 kilometers (6.3 mi) from Stortinget. The station was opened 26 November 1967. Helge Abrahamsen was the station's architect.The Bogerud neighborhood is a residential area, developed mostly during the 1960s. Bogerud station was the scene of a murder in 2002.

Bøler is a station on Østensjø Line (Line 3) on Norway's Oslo Metro system between the stations of Ulsrud and Bogerud, 9.2 kilometers (5.7 mi) from Stortinget, in the area of the same name. The station opened as a subway station on 29 October 1967, but rail service to Bøler started already in 1958 as part of the city's tram network.The Bøler neighborhood is residential which was developed as a suburb during the late 1950s and 1960s. The old farm at Bøler lies next to the station and is preserved. The station itself has the common layout of two side platforms. The road Utmarkveien passes directly above the station by means of a road bridge. Criticism has been raised over the station's dilapidated condition, but funds for renovation went to other subway stations in 2005.

Bogerud (pronunciation ) is a neighbourhood in Oslo, Norway. It is located southeast of the lake Østensjøvannet. The area belonging to the ancient Bogerud farm was developed from the early 1960s.Bogerud is served by the Bogerud station of the Østensjø Line on the Oslo Metro.

Lutvann is a lake in the recreational area Østmarka in Oslo, Norway. It covers an area of 0.39 km², at 205 m elevation. Located just outside the capital city, it is a popular site for recreation, including swimming and fishing during summer, with brook trout in the lake. In the winter there are ski trails along and on the lake. The lake is also used by the Church of Jesus Christ of Latter-day Saints for baptism. In 2001 activists from the Youth of the Progress Party were charged for cutting down a tree in the preserved area in order to protest the fact that building in the area is prohibited.

Skullerud (pronunciation ) is a station on Østensjø Line of the Oslo Metro, located in the Østensjø borough, between Bogerud and Mortensrud. Since its opening 26 November 1967, it was the end station of the line until Østensjøbanen was extended to Mortensrud in 1997. The area around Skullerud station has a mixture of residential areas and businesses, including the former centers for Norsk Data and Tandberg Radio. The station is also a node for several bus lines.

Oppsal is a station on Østensjø Line (line 3) on the Oslo Metro, located in the suburb Oppsal between the stations of Skøyenåsen and Ulsrud, 7.8 kilometers (4.8 mi) from Stortinget. The station was opened as a subway station 29 October 1967. P.A.M. Mellbye was the station's architect. Rail service through Oppsal is older, having opened as a tram line already in 1926.