starts at Eikeberg and Børter in Enebakk - it crosses the ice on Børtervann and moves up to Rausjø and turns up towards Vangen and Skjelbreia, further over Eriksvann, Søndre Skytten, Elvåga, across to Nøklevann, Rustadsaga, Østensjøvannet and down to the city. The Plank Road is today open and tagged as a ski track. See also Haukåsen radar References Other sources Østmarka fra A til Å, by Even Saugstad, . External links Presentation of Østmarka in the Marka database from Skiforeningen Geography of Oslo Geography of Akershus Forests and woodlands of Norway Marka, Oslo Plank road