The Aschaff is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in the northern Spessart

Spessart

The Spessart is a low mountain range in northwestern Bavaria and southern Hesse, Germany. It is bordered on three sides by the Main River. The two most important towns located at the foot of the Spessart are Aschaffenburg and Würzburg....

 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 right tributary of the Main and is 21,4 km (13,3 mi) long. It begins at the confluence of Autenbach and Kleinaschaff ("little Aschaff") in Waldaschaff

Waldaschaff

Waldaschaff is a community in the Aschaffenburg district in the Regierungsbezirk of Lower Franconia in Bavaria, Germany.-Location:...

. Loosely translated the name Aschaff means Eschenwasser. The largest tributary is the Laufach. The river flows mostly parallel to the Bundesautobahn 3 (Motorway). For the construction of the noise barrier

Noise barrier

A noise barrier is an exterior structure designed to protect sensitive land uses from noise pollution...

 there, the river bed was moved and straightened.

Now the Aschaff flows in the city of Aschaffenburg

Aschaffenburg

Aschaffenburg is a city in northwest Bavaria, Germany. The town of Aschaffenburg is not considered part of the district of Aschaffenburg, but is the administrative seat.Aschaffenburg is known as the Tor zum Spessart or "gate to the Spessart"...

. It flows through the districts Damm and Strietwald. In Mainaschaff

Mainaschaff

Mainaschaff is a community in the Aschaffenburg district in the Regierungsbezirk of Lower Franconia in Bavaria, Germany.-Location:...

 near the city limits of Aschaffenburg the Aschaff empties into the Main.

Tributaries

Tributaries

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...

from source to mouth:
Left

• Kleinaschaff (left headstream)
• Bessenbach
• Nonnenbach
• Klingengraben
• Röderbach

Right

• Autenbach (right headstream)
• Gogelgraben
• Laufach
• Günthersbach
• Hösbach
• Goldbach
• Klingenbach
• Glattbach
• Lohmgraben