Slight centerfold
This series contains designs by Hiroshige and Eisen and was published by Kinjudo (Iseya Rihei) and Hoeido (Takenouchi Magohei).
The Kisokaido is the route between Edo and Kyoto running through the mountains instead of along the sea like the Tokaido (Eastern coastal highway). It follows the Kiso River much of the way. Another name for the route is Nakasendo (mid-mountain highway).