Koishikawa Korakuen is a 5-10 minute walk from Iidabashi Station along the JR Chuo Line (local trains only) and the Tozai, Yurakucho, Namboku and Oedo Subway Lines, a 5-10 minute walk from JR Suidobashi Station along the JR Chuo Line (local trains only), or a 10 minute walk from Korakuen Station along the Marunouchi and Namboku Subway Lines.