noun
promenade; walking path; esplanade
A path or route designed for or pleasant for a stroll, often in a park, along a waterfront, or through a scenic area.
川沿いの散歩道を歩くのが好きです。
I like walking along the riverside promenade.
この公園には桜並木の散歩道がある。
This park has a walking path lined with cherry trees.
Compound of 散歩 (さんぽ, 'stroll, walk') and 道 (みち, 'path, road').