Toho Zinc Factory Live Cam

You can also see the Usui River flowing in the foreground

What You're Watching

This camera provides a live view of Toho Zinc Factory. Origins and Early Development Situated on the outskirts of Annaka City in Gunma Prefecture, the Tōhō Zinc Factory owes its inception to Japan’s rapid industrialization at the turn of the 20th century. Drawing on local deposits of sphalerite and galena from the nearby Usui and Kanna mining districts, the factory began operations in 1907 under the aegis of a conglomerate formed to secure strategic.

Best Times to Watch

Time / PeriodWhat to expect
Morning 8–10am localBest visibility before afternoon clouds; mountain peaks clear
Winter (Dec–Mar)Snow conditions and ski activity — peak season
Summer (June–Aug)Hiking season; green slopes and different landscape character
After snowfallFresh snow on terrain — check conditions before driving passes

Quick Facts

History & Context

Origins and Early Development Situated on the outskirts of Annaka City in Gunma Prefecture, the Tōhō Zinc Factory owes its inception to Japan’s rapid industrialization at the turn of the 20th century. Drawing on local deposits of sphalerite and galena from the nearby Usui and Kanna mining districts, the factory began operations in 1907 under the aegis of a conglomerate formed to secure strategic metal resources. Investors touted the plant as a model of “Meiji era industry” and “industrial heritage site” potential, establishing basic roasting and leaching facilities to convert raw ore into crude zinc oxide and lead byproducts.

Nearby Cameras