From Shinanomachi Station, enter Shinjuku Gyoen before following the Tamagawa Josui and Naito-Shinjuku waterside path. Taisoji Temple and Hanazono Shrine continue toward Shinjuku-sanchome Station.
Other route ideas around the same area.

A course where you can explore the charms of Akasaka, interwoven with the traditional and the contemporary.

Jingu Gaien Ginkgo Avenue is a golden tunnel with 146 ginkgo trees lined up orderly along a street of about 300 meters. The landscape created by the overwhelming perspective is a symbol of Tokyo's autumn, beautiful like a painting.
A straight road runs north-south through Aoyama Cemetery. Massive ancient cherry trees line both sides, stretching their branches to form a dense canopy arch so high the sky disappears.
Route created manually (with map matching)