Füsinger Au Fysing Å
The Füsinger Au near Westerakeby
Location
Country	Germany
State	Schleswig-Holstein
Physical characteristics
Source
• location	Angeln
• coordinates	54°35′33″N 9°31′52″E / 54.59250°N 9.53111°E / 54.59250; 9.53111
Mouth
• location	Schlei
• coordinates	54°31′50″N 9°37′34″E / 54.53056°N 9.62611°E / 54.53056; 9.62611
Length	35 km (22 mi)

The Füsinger Au (German pronunciation: [ˈfyzɪŋɐ ˈaʊ̯] ^ⓘ; also Loiter Au, German pronunciation: [ˈlɔɪ̯tɐ ˈaʊ̯] ^ⓘ; Danish: Fysing Å / Løjt Å) is a river in the north of Schleswig-Holstein (Danish: Slesvig and Holsten respectively), Germany.

The Füsinger Au starts north of Idstedt (Danish: Isted), flows through the lakes Idstedter See and Langsee (Danish: Isted Sø and Langesø respectively), passes the village Loit (Danish: Løjt) and discharges into the Schlei (Danish: Slien) near Füsing (a district of Schaalby) (Danish: Fysing and Skålby).

• List of rivers of Schleswig-Holstein

• flussinfo.net (in German)