The Bigge Valley Railway (
German: Biggetalbahn) is a 24-kilometre-long,
single-trackedbranch line from
Finnentrop station via
Attendorn and
Olpe to
Freudenberg in western Germany. It is non-electrified and the section of line from Olpe to Freudenberg is now closed. The section between Olpe and Finnentrop is regularly worked by local railway passenger services (
SPNV). The line runs from Finnentrop to
Wenden in the valley of the
River Bigge.
From Finnentrop to Olpe the Bigge Valley Railway is operated as
Route no. 442.