The Kremmen Railway is a line in northern Berlin and Brandenburg, Germany. It branches off the Prussian Northern Railway in the Berlin district of Reinickendorf, north of Schönholz station and then passes through Tegel, Hennigsdorf and Velten to Kremmen. There it connects with the Kremmen–Meyenburg line opened in 1898 to Neuruppin.
Berlin Karl-Bonhoeffer-Nervenklinik station with the old name of Wittenau (Kremm. Bahn) on the reception building