Oslo University Hospital, Ullevål (), formerly Ullevål University Hospital () in Oslo, Norway is the largest of the four main campuses of Oslo University Hospital. It was opened in 1887, and was an independent hospital owned by Oslo municipality and then by the state until it became part of Oslo University Hospital in 2009. It is a Level I trauma center and includes patient treatment, research, teaching and administration activities. The headquarters of Oslo University Hospital is located at Ullevål. Oslo Heliport, Ullevål is a helipad with a diameter located on the top of a parking garage. It has a walkway to the emergency department. The helipad features a fuel tank. References See Also Oslo University Hospital, Aker University of Oslo Oslo University Hospital Ullevål sykehus tram stop External links Official website Oslo University Hospital Hospitals in Oslo University of Oslo Defunct health trusts of Norway Heliports in Norway Airports in Oslo Hospitals established in 1887 1887 establishments in Norway Oslo Municipality