Prieto Diaz Mangrove Forest

Prieto Diaz Mangrove Forest is a coastal mangrove ecosystem in Barangay Calao, Prieto Diaz, Sorsogon, Bicol Region. It is one of the largest and most intact remaining mangrove forests in Luzon, covering several hundred hectares along the Albay Gulf. The site is managed as a community-based ecotourism and conservation area, featuring a wooden boardwalk that allows visitors to explore the dense mangrove habitat and observe its biodiversity.

Visitors can expect a coastal mangrove environment with dense stands of mature mangrove trees, tidal channels and mudflats. A wooden boardwalk and viewing decks allow walking through the forest without entering the water. The area is quiet and natural, with opportunities to observe birds, crabs and other mangrove wildlife, take photographs, and learn about mangrove ecology from local guides. Facilities are basic and focused on nature appreciation.