Agger Valley Railway (''Aggertalbahn'') is the established name of two
railway line
Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in tracks, which usually consist of two parallel steel rails. Rail transport is one of the two primary means of land transport, next to road ...
s in the German state of
North Rhine-Westphalia
North Rhine-Westphalia or North-Rhine/Westphalia, commonly shortened to NRW, is a States of Germany, state () in Old states of Germany, Western Germany. With more than 18 million inhabitants, it is the List of German states by population, most ...
:
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Siegburg–Olpe railway
The Siegburg–Olpe railway or Agger Valley Railway ( or ''Aggertalbahn'') is a single-tracked, non-electrified branch line in the German state of North Rhine-Westphalia. Part of a direct link Cologne-Kalk–Overath railway, from Cologne, only the ...
, the historic Agger Valley Railway that is now only open between Overath and Dieringhausen
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Cologne-Kalk–Overath railway, which extended the above-mentioned line in 1910 in order to provide a direct link from Cologne and which then left the valley of the Agger river
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