The Casecnan Protected Landscape is a protected area in the Casecnan River watershed of eastern Luzon in the Philippines. It has a total area of 88,846.80 hectares straddling the provinces of Nueva Vizcaya, Quirino and Aurora. The 57,930-hectare (143,100-acre) Casecnan River Watershed Forest Reserve was established in August 1987 by virtue of Executive Order No. 136 issued by President Corazon Aquino. In April 2000, the forest reserve was enlarged to 88,846.80 hectares and was reclassified as a protected landscape area through Proclamation No. 289. It is considered one of the last remaining substantial water sources for the region of Central Luzon.

Aurora, officially the Province of Aurora, is a province in the Philippines located in the eastern part of Central Luzon region, facing the Philippine Sea. Its capital is Baler and borders, clockwise from the south, the provinces of Quezon, Bulacan, Nueva Ecija, Nueva Vizcaya, Quirino, and Isabela.