Musashino Kannon Pilgrimage
The Musashino Kannon Pilgrimage (Japanese: 武蔵野三十三観音霊場, Musashino Sanjūsan(33) Kan-non Reijō) is a Japanese pilgrimage of thirty-three Buddhist temples and an extra one, founded 1940. The temples located in Tokyo and Saitama prefectures, and along the Seibu Railway (formerly name is "Musashino" Railway).
Source: Wikipedia — Musashino Kannon Pilgrimage (CC BY-SA 4.0)