The Regnitz is a river in Bavaria

Bavaria

Bavaria, formally the Free State of Bavaria is a state of Germany, located in the southeast of Germany. With an area of , it is the largest state by area, forming almost 20% of the total land area 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 a left tributary of the Main and is 58 km (36 mi) in length.

The river is formed by the confluence of the rivers Rednitz

Rednitz

The Rednitz is a river in Franconia, Germany, tributary of the Regnitz . The Rednitz is formed by the confluence of the rivers Fränkische Rezat and Schwäbische Rezat, in Georgensgmünd . The Rednitz flows north through Roth bei Nürnberg, Schwabach and the southwestern quarters of Nuremberg...

 and Pegnitz

Pegnitz River

The Pegnitz is a small river in Franconia in the German federal state of Bavaria. The Pegnitz has its source in the city of the same name at an altitude of and meets the Rednitz at northwest of Fürth...

, which meet in the city of Fürth

Fürth

The city of Fürth is located in northern Bavaria, Germany in the administrative region of Middle Franconia. It is now contiguous with the larger city of Nuremberg, the centres of the two cities being only 7 km apart....

. From there the Regnitz runs northwards through the cities of Erlangen

Erlangen

Erlangen is a Middle Franconian city in Bavaria, Germany. It is located at the confluence of the river Regnitz and its large tributary, the Untere Schwabach.Erlangen has more than 100,000 inhabitants....

 and Forchheim

Forchheim (Oberfranken)

Forchheim is a large town in Upper Franconia in northern Bavaria, and also the seat of the administrative district of Forchheim. Forchheim is a former royal city, and is sometimes called the “Gateway to the Franconian Switzerland”, as the region is known. Its population, as of October 2008, was...

. It finally meets the Main in the city of Bamberg

Bamberg

Bamberg is a city in Bavaria, Germany. It is located in Upper Franconia on the river Regnitz, close to its confluence with the river Main. Bamberg is one of the few cities in Germany that was not destroyed by World War II bombings because of a nearby Artillery Factory that prevented planes from...

.

Small portions of the Regnitz near Bamberg

Bamberg

Bamberg is a city in Bavaria, Germany. It is located in Upper Franconia on the river Regnitz, close to its confluence with the river Main. Bamberg is one of the few cities in Germany that was not destroyed by World War II bombings because of a nearby Artillery Factory that prevented planes from...

 are incorporated into a canal connecting the Main with the Danube

Danube

The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

: the Rhine-Main-Danube Canal

Rhine-Main-Danube Canal

The Rhine–Main–Danube Canal , located in Bavaria, Germany, connects the Main and the Danube rivers across the European Watershed, running from Bamberg via Nuremberg to Kelheim...

, which runs parallel most of the way from Bamberg to Fürth.

Source

Bogner, Franz X. (2007): Rednitz und Regnitz. Eine Luftbildreise von Weißenburg bis Bamberg. Verlag Fränkischer Tag, Bamberg, ISBN 978-3-936897-47-0