The opening hours vary according to the season. The park usually opens at 9 or 10 a.m. and closes between 5 and 7 p.m.
Adults: JPY 1000
Children (3 - Elementary school): JPY 500
During summer, the tickets may be more expensive – there are various rates.
Wikipedia https://en.wikipedia.org/wiki/Toshimaen
Official Website http://www.toshimaen.co.jp/
Link https://twitter.com/toshimaen_
Phone +81 3 3990 8800
Address 3-25-1 Mukaiyama, Nerima-ku, Tokyo 176-0022, Japan
Coordinates 35°44'41.654" N 139°38'41.45" E