Updated Date: 2019-03-16
From Iwasaki, the highway goes to the west, past Susago, Sehata, Iwasawa, and over Sennin Pass, and reaches Kawajiri in Nishiwaga-cho through the current Kashiyama Ranch. The section from Sennin Pass to Kawajiri has sunk to the bottom of Lake Biwa. Kashiyama Ichirizuka, a town-designated historical site, remains at Kashiyama Ranch.