Agger (river)

Agger
The confluence of the Sülz and Agger Rivers near Lohmar
Country	Germany
Basin features
Main source	Sauerland
River mouth	Sieg 50°48′2″N 7°10′27″E / 50.80056°N 7.17417°E / 50.80056; 7.17417Coordinates: 50°48′2″N 7°10′27″E / 50.80056°N 7.17417°E / 50.80056; 7.17417
Physical characteristics
Length	64 km (40 mi)

The Agger is a river in Germany, a right tributary of the Sieg in North Rhine-Westphalia. It is 64 kilometres (40 mi) long. Its source is in the Sauerland hills, near Meinerzhagen. It winds through the towns Engelskirchen, Overath and Lohmar. Near Siegburg the Agger flows into the Sieg.