Although all pilgrim stamp office of the 33 Temples of Saigoku worship the Kannon images, most of them treat as hibutsu; out of 33 temples, those that treat them otherwise are limited to the following: Minamihokke-ji Temple (Also known as Tsunosaka-dera Temple), the 6th pilgrim stamp office, Ryugai-ji Temple (Also known as Oka-dera Temple), the 7th, Hase-dera Temple, the 8th, and Yoshimine-dera Temple, the 20th.
西国三十三箇所の札所寺院はすべて観音像を祀っているが、その大部分が秘仏であり、そうでないのは33か寺中、6番南法華寺（壺阪寺）、7番龍蓋寺（岡寺）、8番長谷寺、20番善峰寺の観音像のみとなっている。