Dates: 19 (Mon.), June 2023
https://www.alpen-route.com/en/
https://www.kurotetu.co.jp/en/
Registration (Deadline is extended to 9 May 2023)
For more information ...
https://hotaruikamuseum.com/en/museum
https://www.city.namerikawa.toyama.jp/travel_namerikawa/English/3/3141.html