Wikipedia
Ōi-juku
was the forty-sixth of the sixty-nine stations of the Nakasendō. It is located in the present-day city of Ena, Gifu Prefecture, Japan. From Ōi-juku to the next post town, Ōkute-juku, there are 13 hills to pass over. Travellers using the Shitakaidō often used Ōi-juku, too, as they travelled on to Makiganetsui afterwards.