Already in the early 1900s, parts of the Akerselva were converted to a park. For a long period of time large parts of the river were put in pipelines, but now it has returned to the surface and can be viewed all the way from Maridalsvannet to Vaterland. It's a walkway along one or both sides of the river with benches where you can sit and enjoy the sounds of birds and running water. You can think of the trip as a historic walk. The river was an important source of energy and