01 / Whetstone quarry
Porcelain was fired from whetstone scraps,and the founding kiln site lies in the same Toyama.
The whetstone quarry (砥石山) in Toyama produced Iyo whetstone. A prefectural document records that the name of the district, Togiyama (砥山), spread to the surrounding area and became Tobe. In 1777 porcelain was successfully fired from the abundant whetstone scraps. Uehara Kiln Site (上原窯跡) is said to have been set up at a magistrate's order.
- Porcelain firing succeeded in 1777 (town-designated cultural property notes)
- The quarry closed around 1982 (same source)
- Prefecture's document records the town name spread from "Togiyama"
