Kasagi Pass
Japan
The Kasagi Pass (, Kasagi-tōge) is a mountain pass on the old road connecting what is now the port city of Yawatahama with Seiyo in Ehime Prefecture on the island of Shikoku, Japan. A surviving section of the road was proclaimed a National Historic Site in 2017.
Data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).