Hessen > Germany > Europe May 14, 2018 - 4.0 Beautiful road along the Sieg River. Nice curves and mostly smooth surface. Rast at Bikers Rast Dattenfeld or Burg Blankenberg. At the Eastern end, you can connect to B256 Northwards and loop back West on B478.
Hessen > Germany > Europe March 8, 2011 - 5.0 Great selection of corners, good surface, lots of elevation changes and low volume of traffic. Pleasant hill surroundings.
A proper biking road, recommended.
One blind junction on a brow to watch out for.