Pak Sha O (Chinese: 白沙澳) is an area and a village of Sai Kung North, in Tai Po District, Hong Kong.
[1] It has been reported that the villages of Sham Chung, Lai Chi Chong and Pak Sha O had historically close social ties.
[3] Pak Sha O is the site of the Immaculate Heart of Mary Chapel (聖母無玷之心小堂).
[4] The conversion of Pak Sha O into a Catholic village partly resulted from the desire of the villagers to combat the harassment of the tax-lords of Sheung Shui.
The site is now used as a training campsite by the Catholic Scout Guild.