From Toshimaen Station, take exit A2. To your left, you will see a Seven Eleven convenience store. After the Seven Eleven, there is a left turning which leads to a pedestrian walkway, follow this path for one minute and you will arrive at Toshimaen.From Shinjuku Station to Toshimaen Station:
Take the Oedo Line direct to Toshimaen Station (19 minutes, ¥270)
From Tokyo Station to Toshimaen Station:
Take the Yamanote Line to Ikebukuro Station, change trains to the Seibu-Ikebukuro Line to Toshimaen Station (28 minutes, ¥380)