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
山王まつり

June 7th(Wed) - 17th(Sat) 2017
Location: Hiei-jinja Shrine, Akasaka, Tokyo

Info on Sanno Matsuri by JNTO
http://www.jnto.go.jp/eng/location/spot/festival/sanno.html
Hiejinja Shrine
http://www.hiejinja.net/en/

Schedule (Japanese website)
http://www.tenkamatsuri.jp/nittei/index.html

YouTube by Shu Channel: https://youtu.be/3Gp4JoEMRfY