The Masungi Georeserve is a conservation area in the Philippines situated in the southern Sierra Madre range in Baras. It centers on the geological formations of Masungi Rock, at an elevation of 640 metres. In 1993, the Masungi Rock and its vicinity was proposed to be declared as a Strict Nature Reserve and Wildlife Sanctuary. It has been a popular destination for hikes and day trips from Manila and started development towards Geopark status.