Lysakerelven is a former station in western Oslo on the Kolsås Line of the Oslo T-bane network, between the stations of Bjørnsletta and Jar, 8.4 kilometers (5.2 mi) from Stortinget. It was the last station within Oslo's boundaries before the line continues into Bærum; taking its name from the river Lysakerelven which is the boundary between Oslo and Bærum.