Seßmarbach is a river of

North Rhine-Westphalia North Rhine-Westphalia (german: Nordrhein-Westfalen, ; li, Noordrien-Wesfale ; nds, Noordrhien-Westfalen; ksh, Noodrhing-Wäßßfaale), commonly shortened to NRW (), is a state (''Land'') in Western Germany. With more than 18 million inhab ...

Germany Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the sou ...

. It flows into the Agger near

Gummersbach Gummersbach (; ksh, Jummersbach) is a town in the state of North Rhine-Westphalia, Germany, being the district seat of the Oberbergischer Kreis. It is located east of Cologne. History In 1109 Gummersbach was mentioned in official documents for ...

See also