Willingen is a well known spot in the Downhill scene. It offers a DH track, freeride track, training parcour and a 4 X track.
DH track: length 1.5 km, very difficult with "chicken lines"
Worldcup 4 X track: length 470 m
Freeride: length 2.4 km
Skill training center
Folder for more information http://www.ettelsberg-seilbahn.de/download/2012-Biker-Flyer.pdf (german)
More information at http://www.ettelsberg-seilbahn.de/page/event-bike.php#freeride (german)
Yearly festival orginized by the german magazine "bike"