There weremany secret passages and a treasury within Edo Castle. It's assumed that this was one of those
treasuries in which people stored valuables in case of a fire or emergency.
- addressWithin The East Gardens of the Imperial Palace
- accessTokyo Metro Takebashi Station or Otemachi Station
Now, access to some places in the East Gardens of the Imperial Palace is restricted because of the temporary works.Please confirm the places that are restricted with the homepage of Imperial Houshold Agency.