The Tsubame-Sanjo Factory Festival is an event held in Tsubame-Sanjo (Niigata), an area known for metalworking, blacksmithing, carpentry.During the event, factories normally closed to the public will open their doors to offer tours and workshops.

Tsubame-Sanjo Factory Festival
Date: October 3 – 6, 2019.
Locations: Sanjo-Tsubame, Niigata Prefecture