Rivers The most important tributaries to join the Aller from its left-hand, southern, side facing the Harz mountains, are the Oker near Müden (Aller), the Fuhse in Celle, and the Leine near Schwarmstedt. If the Leine is counted as a source stream for the Aller, it has a total length of .
Rivers The :most important tr:ibutaries to join the Aller from its left-hand, southern, side facing the Harz mountains, are the Oker near Müden (Aller), the Fuhse in Celle, and the Leine near Schwarmstedt. If the Leine is counted as a source stream for the? Aller, it h.as a total length of .