noun
Kiso Road; Kiso Valley section of the Nakasendo
Refers specifically to the portion of the old Nakasendo highway that runs through the Kiso Valley, known for its post towns and scenic beauty.
See also: 中山道 (なかせんどう)
木曽路は中山道の一部で、多くの宿場町が残っている。
The Kiso Road is part of the Nakasendo, and many post towns remain along it.
The entire Nakasendo highway connecting Edo and Kyoto; 木曽路 is the section passing through the Kiso Valley.
From 木曽 (Kiso, the region) + 路 (road, route).