The Ilme is a left-bank, western tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the River Leine in Lower Saxony

Lower Saxony

Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. It is 32.6 km long.

Geography

The river begins at the Neuer Teich pond in the centre of the Solling

Solling

The Solling is a range of hills up to high in the Weser Uplands in the German state of Lower Saxony, whose extreme southerly foothills extend into Hesse and North Rhine-Westphalia....

 hills at a height of and flows initially northwards to Dassel

Dassel

Dassel is a town in southern Lower Saxony, Germany, located in the district Northeim. It is located near the hills of the Solling mountains.-History:...

, then in an easterly direction through Markoldendorf to Einbeck

Einbeck

Einbeck is a town in the district Northeim, in southern Lower Saxony, Germany. It is located on the German Timber-Frame Road.-Economy:Einbeck is famous for its 600 year old beer brewery, home of Einbecker Bier, the origin for the term Bock beer...

, after which it discharges into the Leine near Volksen at a height of .