Shinjuku Gyoen has three gates:
Shinjuku Gate is a ten minute walk east from the "New South Exit" of JR Shinjuku Station or a five minute walk from Shinjukugyoenmae Station on the Marunouchi Subway Line. Okido Gate is also a five minute walk from Shinjukugyoenmae Station on the Marunouchi Subway Line. Finally, Sendagaya Gate is a five minute walk from JR Sendagaya Station on the local Chuo/Sobu Line.