Shinjuku Chuo Park. Decent sized playground. Vending machines and toilets next to the playground. OPEN 24 HOURS. - Cindy Wong

Nice place to take a stroll and relax - Chris Stewart

24HR playground with areas for young toddlers and older children to play. Clean restrooms and vending machines for jetlagged parents to use. - Cindy Wong

冷たい霧が、頬に当って気持ちがいいです! Info.・・・ - 宗幸 渡邊

A beautiful clean park with trimmed hedges and trees, there's not many flowers though. The grass is a bit hard when you sit on it without a picnic mat. Check out the green house too! - Mimi