Alna River

Vallhall Arena is a multi-purpose indoor arena, located in Valle-Hovin, Oslo, Norway. The stadium has a capacity of 5,500 people, during matches. The Tippeligaen club Vålerenga uses the arena for training and friendly matches in the winter off-season. It is currently used mostly for football matches. The arena also serves as an event arena. The arena is also a well-known concert hall, with a capacity of 12,500 people. It's not far away from Valle Hovin, an outdoor concert arena. On 22 April 2001, Irish vocal pop band Westlife held a concert for their Where Dreams Come True Tour supporting their album Coast to Coast.

Økern is a metro station on the No 5, Grorud Line of the Oslo Metro system, situated between stations Hasle and Risløkka in the lower parts of the Grorud Valley. It is located 2.7 km (the geodesic distance) northeast of station Stortinget (the Parliament). The station is part of the original stretch of the Grorud Line, and was opened on 16 October 1966. In 2010, the station was refurbished and partly rebuilt. New platforms are fitted with snowmelt systems. The station is also located at the intersection of the metro line and the Ring 3 highway, which encircles most of the inner part of the city of Oslo. The area around Økern is dominated by private enterprises, with the Økern Næringspark office park and the Økern shopping centre in the immediate vicinity.

Valle Hovin is both a bandy and speed skating rink in cold weather, and an outdoor stadium for concerts in warm weather, in Oslo, Norway. Located in the residential area Valle-Hovin, in amongst trees and a park, one finds Valle Hovin. It is reachable from the Lines 1, 2, 3, and 4 reaching the Helsfyr station of the Oslo T-bane metro system, and additionally via two bus lines as well as substantial parking for automobiles. As a concert venue Valle Hovin can hold at least 40,000 people, many of whom stand on the concrete floor where the rink is laid in winter. Many internationally famous popular music acts have appeared there, the first one being Tina Turner on 20 June 1987. Prior to a June 1995 expansion, the concert capacity was 30,000. As a concert venue it is not always thought of as best, due to lack of seating and limited sightlines once well back in the crowd, but it offers larger capacity than the indoor Oslo Spektrum and is sometimes deemed preferable to Ullevaal Stadion due to having a concrete floor that cannot be damaged by stage and moving equipment as can that football ground's more delicate turf. It was the main arena for the Bandy World Championship 1985.

Valle-Hovin is a neighborhood in Oslo, Norway, best known for the sports and music venue of the same name. It consists of two neighborhoods with unclear boundaries, Valle and Hovin. Valle was a farm under Nonneseter but was bought by private owners in 1765; the farm Hovin was probably under Torshov, then under Oslo Cathedral before the Reformation. It was bought by private owners in 1664. The farms Valle and Hovin were both bought by Oslo Municipality in 1915. The municipality planned to use the area for an airfield in the 1930s, but in the 1960s, it was decided that a sports complex Valle Hovin would be created. It is also used for larger musical shows. In 2001, the indoor arena, mostly used for soccer, Vallhall Arena was opened. In 2017, in Vålerengas, a new stadium, Intility Arena was opened.The area was also built up during the 1950s, mostly with apartment blocks. The area is served by Helsfyr station on the Oslo Metro.

Intility Arena, also referred to as Vålerenga Stadion, is an association football stadium in Oslo, Norway. The stadium is the home stadium for the Vålerenga Fotball, currently playing in the Eliteserien, and it has a seating capacity of 16,555 people.The stadium plans were accepted by the city council of Oslo in 2014 and by EEA in June 2015. Construction started in August 2015, and the stadium opened in September 2017. The stadium was initially called Vålerenga kultur- og idrettspark.

The Alna Line (Norwegian: Alnabanen) is a 4.3-kilometer (2.7 mi) railway line between Alnabru and Grefsen in Oslo, Norway. The single track line allows direct access between the Trunk Line and the Gjøvik Line, without having to pass via Oslo Central Station. The line is electrified and is owned by the Norwegian National Rail Administration. It is exclusively used by freight trains, and allows trains on the Bergen Line to reach Alnabru Freight Terminal. The line was built along with the Gjøvik Line and was opened on 20 January 1901. The line saw some passenger traffic until the Gjøvik Line was completed to Oslo East Station in 1902. From 1909 the Alna Line has been used for freight trains from Bergen, and the line was electrified in 1961. There have been proposals to make the line part of a diagonal line as part of the Oslo Commuter Rail.

Kuben Upper Secondary School (Norwegian: Kuben videregående skole) is an upper secondary school at Økern in Oslo, Norway. The school is part of Kuben Vocational Arena, and is Oslo's largest Upper secondary school, with approximately 1,850 students. Kuben shares the arena with Oslo Technical School.The school's first principal is Kjell Ove Hauge, a former All-American and international track and field athlete.

Økern was a farm in the former municipality of Aker, Norway, and is currently a district in the borough of Bjerke in the city of Oslo. It includes the neighborhoods of Refstad, Risløkka, Brobekk, Nordre Hovin, Aker Sykehus, Bjerkebanen, and Økern Senter.

Grefsen is a neighbourhood in the city of Oslo, Norway.Grefsen was a part of the municipality of Aker before the Second World War, later incorporated into Oslo. Together with Kjelsås, Grefsen then formed the borough Grefsen-Kjelsås until 1 January 2004, when they became part of the new borough of Nordre Aker.The Gjøvik Railway Line goes through the area, but Grefsen Station is actually located closer to the neighbourhood of Disen. The Kjelsås Tram Line also runs through the area. The local sports field Grefsen stadion is the home field of Kjelsås IL. There are four schools in the area, Grefsen Elementary School (year 1-7), Engebråten Middle School (year 8-10), Morellbakken Middle School (year 8-10) and Nydalen High School (year 11-13). Nydalen High School used to be Grefsen High School until 2014, when it was renovated and changed name. Grefsen Church (Grefsen kirke) was consecrated in 1940.

The Church of Scientology in Norway (Norwegian: Scientologi Kirken Norge) is officially recognised as a non-profit corporation of the Church of Scientology, rather than a religious community. Despite an estimated 8,000 individuals having participated in Scientology-related courses in Norway, the active membership within the church is estimated around 100 members as of 2016.Scientology’s has one church in Norway which is situated in Oslo. The church has shifted its physical location within the city. Its previous sites have included upscale offices in central areas like Karl Johans gate and Tollbugata, and others such as Grünerløkka. It is currently located in Lørenvangen.Legal disputes involving Scientologikirken often result in settlements outside of court. In one case, the church was directed to reimburse a former member 600,000 Norwegian kroner in course fees. The organization has also engaged in an unsuccessful legal endeavor spanning six years, aimed at obtaining official recognition as a religion.Given the limited number of active members and the absence of government subsidies, the church operates primarily with income from participants who pay for individual courses.

Helsfyr is a subway station on the east side of the Oslo Metro system located in the borough of Helsfyr. The station is shared by the Furuset Line (Line 2), the Østensjø Line (Line 3) and the Lambertseter Line (Lines 1 and 4). Line 1 terminates at Helsfyr during weekends, late evenings, and vacations. The station is located between Ensjø in the west and Brynseng in the east. Helsfyr is located underground. The entrance to the station is located within the perimeter of a bus terminal, and the surrounding localities consist mostly of office buildings and also some industrial establishments. An ice rink and concert stadium are located nearby at Valle-Hovin. Just northeast of the station is the cemetery Østre Gravlund (Eastern Cemetery), which includes the Jewish Cemetery.

Helsfyr-Sinsen was a borough of the city of Oslo, Norway up to January 1, 2004, when it was split and merged into Alna and Gamle Oslo boroughs. It consisted of the neighborhoods Helsfyr, Teisen, Etterstad, Keyserløkka, Lille Tøyen, Valle, Løren, Carl Berners plass, Rosenhoff and Sinsen.