Suwa taisha

諏訪大社

Suwa taisha is the head shrine of Suwa worship, with four shrine complexes around Lake Suwa in Nagano Prefecture, ranked as the Ichinomiya of Shinano with the first court rank. Official pages describe it as one of Japan's oldest shrines and the head of roughly ten thousand Suwa shrines nationwide, and highlight the periodic Onbashira festival. Contact points include Kamisha Honmiya in Suwa City (telephone 0266-52-1919) and Shimosha Akimiya in Shimosuwa (telephone 0266-27-8035). Confirm visiting hours and festival notices before travel.