The Aller is a 215-kilometre (134 mi) long river in the states of Saxony-Anhalt and Lower Saxony in Germany. It is a right-hand, and hence eastern, tributary of the Weser and is also its largest tributary. Its last 117 kilometres (73 mi) form the Lower Aller federal waterway (Bundeswasserstraße). The Aller was extensively straightened, widened and, in places, dyked, during the 1960s to provide flood control of the river. In a 20-kilometre (12 mi) long section near Gifhorn, the river meanders in its natural river bed.
The Altmühl is a river in Bavaria, Germany. It is a left tributary of the river Danube and is approximately 230 kilometres (140 mi) long.
The Hamme is a 48 km (30 mi) long river in Germany, Lower Saxony, north-east of Bremen. Its source is north of Osterholz-Scharmbeck. It flows through the moors north-east of Bremen called Teufelsmoor, and meets the river Wümme in Ritterhude. From this junction, the river is called Lesum. The Lesum flows into the river Weser in Bremen-Vegesack.
Hunte is a 189-kilometre (117 mi) long river in north-western Germany, a left tributary of the Weser.
The Böhme is a right-bank, northeastern tributary of the Aller in the district of Soltau-Fallingbostel in the north German state of Lower Saxony. The river is 72 kilometres (45 mi) long.
The Pleiße is a river of Saxony and Thuringia, Germany.
Ilmenau is a river south of Hamburg, in Lower Saxony, Germany
The Innerste is a river in Lower Saxony, Germany. It is a right tributary of the Leine river and 101 km (63 mi) in length.
Meiße is a river of Lower Saxony, Germany that flows through part of the Lüneburg Heath. It is a right-hand tributary of the Aller.
The Gerdau is a 30 km (19 mi) long, left (western) source river for the Ilmenau in the north German state of Lower Saxony.
Wölpe is a river of Lower Saxony, Germany. It is about 17 km (11 mi) long and a left tributary of the Alpe.
The Ise is a 43 km (27 mi) long, almost natural river of East Lower Saxony and Saxony-Anhalt, Germany. It crosses the district of Gifhorn from north to south and discharges into the Aller at Gifhorn itself.
The Kleine Aller is a tributary of the Aller in the German state of Lower Saxony. It is about 23 kilometres (14 mi) long and up to 5 metres (16 ft) wide, and flows from north to south through the district of Gifhorn and the city of Wolfsburg.
The Große Aue is an 88 kilometres (55 mi) long, southwestern, left tributary of the River Weser in northern North Rhine-Westphalia and central Lower Saxony in Germany.
The Ochtum is a river in Lower Saxony and Bremen, Germany. Roughly 26 km (16 mi) long, it is a left tributary of the Weser.
The Ecker is a 28-kilometre (17 mi), right-hand, southeast tributary of the Oker which runs mainly through the Harz mountains in the German states of Saxony-Anhalt and Lower Saxony.
Große Kulmke is a river of Lower Saxony, Germany.
Bevensen-Ebstorf is a Samtgemeinde in the district of Uelzen, in Lower Saxony, Germany. Its seat is in the town Bad Bevensen. It was formed on 1 November 2011 by the merger of the former Samtgemeinden Bevensen and Altes Amt Ebstorf.
The Eula is a tributary of the River Wyhra in northwestern Saxony in Germany. It has a length of 31 kilometres (19 mi) and a catchment area of about 171 km2 (66 sq mi).
The Varde is a river of Jutland, Denmark. With a length of approximately 40 kilometres (25 mi), it is the third longest watercourse in Denmark, and has a catchment area of 1,088 square kilometres (420 sq mi). The river flows through the municipalities of Varde and Esbjerg, forming the boundary between them along parts of its course.
