One of the three largest traditional festivals in Tokyo and even in Japan, has a long history back to the Edo Period
Sanno Matsuri at Hiejinja Shrine
June 7th(TFri - 17th(Mon) 2019
Location: Hiei-jinja Shrine, Akasaka, Tokyo
Sanno Matsuri is a series of ceremonial events that includes traditional dance performances and tea ceremony. To find the schedule, see their official website.
Schedule (Japanese website)
YouTube by Shu Channel: https://youtu.be/3Gp4JoEMRfY
Google Maps: Hie Shrine, Akasaka