Exhibition

#For children

Call for Entries: Reiwa 8 Infectious Disease Prevention and Awareness Poster Contest!

Application deadline：2026/09/30

Held
End

Emergency drill

#For children

Call for Participants: A Challenge for Parents and Kids! Sudden Downpour Escape Simulation (Underground Mall Evacuation Experience)

Date：2026/08/05~2026/08/07Application deadline：2026/07/24 Venue：Yaechika [Yaesu Underground Mall], Yanmar Tokyo, Midtown Yaesu / Esola Ikebukuro, Tokyo Metropolitan Theatre

Held
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Exhibition

We will be holding the “River Panel Exhibition,” an event related to the Reiwa 8 River Conservation Month!

Date：2026/08/26~2026/08/28 Venue：Shinjuku Station West Exit Plaza Event Area

Held
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Other

We are now accepting applications for participants in the “Let’s Walk Along the River and Tour the Facilities” event, part of the Reiwa 8 River Conservation Month activities!

Date：2026/10/03~2026/10/24Application deadline：2026/09/04 Venue：Minami-Asakawa River / Kyu-Nakagawa River / Tama River & Okutama / Shakujii River / Sumida River / Kanda River & Loop Route 7 Underground Regulating Reservoir

Held
End

Other

 June is Flood Prevention Awareness Month! Make sure you’re fully prepared for flooding!

Date：2026/06/01~2026/06/30 Venue：Each sewage treatment facility (see Appendix 1)/Tokyo Rainbow Sewerage Museum

Held
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Symposium

#Available online

The 19th Urban Revitalization Symposium Held

Date：2026/07/31Application deadline：2026/07/24 Venue：Tokyo Metropolitan Assembly Building, 1st Floor, Citizens' Hall/Online

Held
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Exhibition

#For children

Call for Artwork and Essays on Landslide Prevention and Exhibition of Submitted Works

Date：2026/06/01~2026/09/15Application deadline：2026/09/15 Venue：Toshima Village Workers' Welfare Center Table Tennis Room/Lobby of the main entrance on the 1st floor of the Kita Ward Office Building No. 1, Tokyo

Held
End

Symposium

Call for Participants: Symposium on Tokyo’s Rivers, to be Held in Shinjuku on July 11

Date：2026/07/11Application deadline：2026/06/12 Venue：都民ホール（都議会議事堂）

Held
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Other

Call for Participants: Tour of River Facilities (Underground Retention Basins, etc.) in Shinagawa Ward on July 24

Date：2026/07/24Application deadline：2026/06/24 Venue：Shinagawa Ward River Facilities (Underground Flood Control Reservoirs, etc.)

Emergency drill

Schedule for Disaster Preparedness Drills in Fiscal Year 2026

Date：2026/05/20~2027/02/28 Venue：Hirai Sports Park, the area around the temporary Miyake Village Office, Tokyo Metropolitan Government Building, and others.