The Quirino Protected Landscape is a protected area in the Philippine island of Luzon that covers a large portion of the province of Quirino.

[4] It is located in the Upper Cagayan River Basin in central Sierra Madre and Caraballo ranges and extends into five municipalities of Quirino: Maddela, Nagtipunan, Cabarroguis, Aglipay and Diffun.

[1] The protected area is home to a wide array of endemic and endangered flora and fauna.

At least 41 threatened animal species have been recorded in the area, including the Cantor's giant softshell turtle.

[1] Other animals that inhabit the watershed include bird species such as the Philippine eagle and Isabela oriole, gecko species such as the Sierra Madre fringed gecko, and freshwater fish like the lobed river mullet.